!1348 feat：【INFRA 基础设施】vben5-antd-schema 代码生成时，可生成批量删除

Merge pull request !1348 from puhui999/vben5-antd-schema

!1348 feat：【INFRA 基础设施】vben5-antd-schema 代码生成时，可生成批量删除
Merge pull request !1348 from puhui999/vben5-antd-schema
芋道源码 · Gitee
2 parents bb236af6 064fecf4
Showing 54 changed files with 1809 additions and 254 deletions
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo01/Demo01ContactController.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo01/vo/Demo01ContactPageReqVO.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo01/vo/Demo01ContactRespVO.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo01/vo/Demo01ContactSaveReqVO.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo02/Demo02CategoryController.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo02/vo/Demo02CategorySaveReqVO.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo03/erp/vo/Demo03StudentErpSaveReqVO.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo03/inner/Demo03StudentInnerController.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo03/inner/vo/Demo03StudentInnerPageReqVO.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo03/inner/vo/Demo03StudentInnerRespVO.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo03/normal/Demo03StudentNormalController.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo03/normal/vo/Demo03StudentNormalPageReqVO.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo03/normal/vo/Demo03StudentNormalRespVO.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo03/normal/vo/Demo03StudentNormalSaveReqVO.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/demo/demo03/package-info.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/dal/mysql/demo/demo01/Demo01ContactMapper.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/dal/mysql/demo/demo02/Demo02CategoryMapper.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/dal/mysql/demo/demo03/inner/Demo03CourseInnerMapper.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/dal/mysql/demo/demo03/inner/Demo03GradeInnerMapper.java
yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/dal/mysql/demo/demo03/inner/Demo03StudentInnerMapper.java
@@ -60,6 +60,15 @@ public class Demo01ContactController {
         return success(true);
     }
+    @DeleteMapping("/delete-batch")
+    @Parameter(name = "ids", description = "编号", required = true)
+    @Operation(summary = "批量删除示例联系人")
+    @PreAuthorize("@ss.hasPermission('infra:demo01-contact:delete')")
+    public CommonResult<Boolean> deleteDemo01Contact(@RequestParam("ids") List<Long> ids) {
+        demo01ContactService.deleteDemo01ContactByIds(ids);
+        return success(true);
+    }
+
     @GetMapping("/get")
     @Operation(summary = "获得示例联系人")
     @Parameter(name = "id", description = "编号", required = true, example = "1024")
@@ -82,12 +91,12 @@ public class Demo01ContactController {
     @PreAuthorize("@ss.hasPermission('infra:demo01-contact:export')")
     @ApiAccessLog(operateType = EXPORT)
     public void exportDemo01ContactExcel(@Valid Demo01ContactPageReqVO pageReqVO,
-              HttpServletResponse response) throws IOException {
+                                         HttpServletResponse response) throws IOException {
         pageReqVO.setPageSize(PageParam.PAGE_SIZE_NONE);
         List<Demo01ContactDO> list = demo01ContactService.getDemo01ContactPage(pageReqVO).getList();
         // 导出 Excel
         ExcelUtils.write(response, "示例联系人.xls", "数据", Demo01ContactRespVO.class,
-                        BeanUtils.toBean(list, Demo01ContactRespVO.class));
+                BeanUtils.toBean(list, Demo01ContactRespVO.class));
     }
 }
 \ No newline at end of file
 package cn.iocoder.yudao.module.infra.controller.admin.demo.demo01.vo;
-import lombok.*;
-import java.util.*;
-import io.swagger.v3.oas.annotations.media.Schema;
 import cn.iocoder.yudao.framework.common.pojo.PageParam;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
 import org.springframework.format.annotation.DateTimeFormat;
+
 import java.time.LocalDateTime;
 import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
 package cn.iocoder.yudao.module.infra.controller.admin.demo.demo01.vo;
-import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.*;
-import java.util.*;
-import java.util.*;
-import org.springframework.format.annotation.DateTimeFormat;
-import java.time.LocalDateTime;
-import com.alibaba.excel.annotation.*;
 import cn.iocoder.yudao.framework.excel.core.annotations.DictFormat;
 import cn.iocoder.yudao.framework.excel.core.convert.DictConvert;
+import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
+import com.alibaba.excel.annotation.ExcelProperty;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.time.LocalDateTime;
 @Schema(description = "管理后台 - 示例联系人 Response VO")
 @Data
 package cn.iocoder.yudao.module.infra.controller.admin.demo.demo01.vo;
 import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.Data;
-
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+
 import java.time.LocalDateTime;
 @Schema(description = "管理后台 - 示例联系人新增/修改 Request VO")
@@ -80,11 +80,11 @@ public class Demo02CategoryController {
     @PreAuthorize("@ss.hasPermission('infra:demo02-category:export')")
     @ApiAccessLog(operateType = EXPORT)
     public void exportDemo02CategoryExcel(@Valid Demo02CategoryListReqVO listReqVO,
-              HttpServletResponse response) throws IOException {
+                                          HttpServletResponse response) throws IOException {
         List<Demo02CategoryDO> list = demo02CategoryService.getDemo02CategoryList(listReqVO);
         // 导出 Excel
         ExcelUtils.write(response, "示例分类.xls", "数据", Demo02CategoryRespVO.class,
-                        BeanUtils.toBean(list, Demo02CategoryRespVO.class));
+                BeanUtils.toBean(list, Demo02CategoryRespVO.class));
     }
 }
 \ No newline at end of file
 package cn.iocoder.yudao.module.infra.controller.admin.demo.demo02.vo;
 import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.Data;
-
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
+import lombok.Data;
 @Schema(description = "管理后台 - 示例分类新增/修改 Request VO")
 @Data
-package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03;
+package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.erp;
 import cn.iocoder.yudao.framework.apilog.core.annotation.ApiAccessLog;
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
@@ -6,13 +6,13 @@ import cn.iocoder.yudao.framework.common.pojo.PageParam;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
 import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
-import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.vo.Demo03StudentPageReqVO;
-import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.vo.Demo03StudentRespVO;
-import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.vo.Demo03StudentSaveReqVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.erp.vo.Demo03StudentErpPageReqVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.erp.vo.Demo03StudentErpRespVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.erp.vo.Demo03StudentErpSaveReqVO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03CourseDO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03StudentDO;
-import cn.iocoder.yudao.module.infra.service.demo.demo03.Demo03StudentService;
+import cn.iocoder.yudao.module.infra.service.demo.demo03.erp.Demo03StudentErpService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
@@ -31,25 +31,25 @@ import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
 @Tag(name = "管理后台 - 学生")
 @RestController
-@RequestMapping("/infra/demo03-student")
+@RequestMapping("/infra/demo03-student-erp")
 @Validated
-public class Demo03StudentController {
+public class Demo03StudentErpController {
     @Resource
-    private Demo03StudentService demo03StudentService;
+    private Demo03StudentErpService demo03StudentErpService;
     @PostMapping("/create")
     @Operation(summary = "创建学生")
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:create')")
-    public CommonResult<Long> createDemo03Student(@Valid @RequestBody Demo03StudentSaveReqVO createReqVO) {
-        return success(demo03StudentService.createDemo03Student(createReqVO));
+    public CommonResult<Long> createDemo03Student(@Valid @RequestBody Demo03StudentErpSaveReqVO createReqVO) {
+        return success(demo03StudentErpService.createDemo03Student(createReqVO));
     }
     @PutMapping("/update")
     @Operation(summary = "更新学生")
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:update')")
-    public CommonResult<Boolean> updateDemo03Student(@Valid @RequestBody Demo03StudentSaveReqVO updateReqVO) {
-        demo03StudentService.updateDemo03Student(updateReqVO);
+    public CommonResult<Boolean> updateDemo03Student(@Valid @RequestBody Demo03StudentErpSaveReqVO updateReqVO) {
+        demo03StudentErpService.updateDemo03Student(updateReqVO);
         return success(true);
     }
@@ -58,7 +58,16 @@ public class Demo03StudentController {
     @Parameter(name = "id", description = "编号", required = true)
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:delete')")
     public CommonResult<Boolean> deleteDemo03Student(@RequestParam("id") Long id) {
-        demo03StudentService.deleteDemo03Student(id);
+        demo03StudentErpService.deleteDemo03Student(id);
+        return success(true);
+    }
+
+    @DeleteMapping("/delete-batch")
+    @Parameter(name = "ids", description = "编号", required = true)
+    @Operation(summary = "批量删除学生")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:delete')")
+    public CommonResult<Boolean> deleteDemo03Student(@RequestParam("ids") List<Long> ids) {
+        demo03StudentErpService.deleteDemo03StudentByIds(ids);
         return success(true);
     }
@@ -66,30 +75,30 @@ public class Demo03StudentController {
     @Operation(summary = "获得学生")
     @Parameter(name = "id", description = "编号", required = true, example = "1024")
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
-    public CommonResult<Demo03StudentRespVO> getDemo03Student(@RequestParam("id") Long id) {
-        Demo03StudentDO demo03Student = demo03StudentService.getDemo03Student(id);
-        return success(BeanUtils.toBean(demo03Student, Demo03StudentRespVO.class));
+    public CommonResult<Demo03StudentErpRespVO> getDemo03Student(@RequestParam("id") Long id) {
+        Demo03StudentDO demo03Student = demo03StudentErpService.getDemo03Student(id);
+        return success(BeanUtils.toBean(demo03Student, Demo03StudentErpRespVO.class));
     }
     @GetMapping("/page")
     @Operation(summary = "获得学生分页")
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
-    public CommonResult<PageResult<Demo03StudentRespVO>> getDemo03StudentPage(@Valid Demo03StudentPageReqVO pageReqVO) {
-        PageResult<Demo03StudentDO> pageResult = demo03StudentService.getDemo03StudentPage(pageReqVO);
-        return success(BeanUtils.toBean(pageResult, Demo03StudentRespVO.class));
+    public CommonResult<PageResult<Demo03StudentErpRespVO>> getDemo03StudentPage(@Valid Demo03StudentErpPageReqVO pageReqVO) {
+        PageResult<Demo03StudentDO> pageResult = demo03StudentErpService.getDemo03StudentPage(pageReqVO);
+        return success(BeanUtils.toBean(pageResult, Demo03StudentErpRespVO.class));
     }
     @GetMapping("/export-excel")
     @Operation(summary = "导出学生 Excel")
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:export')")
     @ApiAccessLog(operateType = EXPORT)
-    public void exportDemo03StudentExcel(@Valid Demo03StudentPageReqVO pageReqVO,
-              HttpServletResponse response) throws IOException {
+    public void exportDemo03StudentExcel(@Valid Demo03StudentErpPageReqVO pageReqVO,
+                                         HttpServletResponse response) throws IOException {
         pageReqVO.setPageSize(PageParam.PAGE_SIZE_NONE);
-        List<Demo03StudentDO> list = demo03StudentService.getDemo03StudentPage(pageReqVO).getList();
+        List<Demo03StudentDO> list = demo03StudentErpService.getDemo03StudentPage(pageReqVO).getList();
         // 导出 Excel
-        ExcelUtils.write(response, "学生.xls", "数据", Demo03StudentRespVO.class,
-                        BeanUtils.toBean(list, Demo03StudentRespVO.class));
+        ExcelUtils.write(response, "学生.xls", "数据", Demo03StudentErpRespVO.class,
+                BeanUtils.toBean(list, Demo03StudentErpRespVO.class));
     }
     // ==================== 子表（学生课程） ====================
@@ -100,21 +109,21 @@ public class Demo03StudentController {
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
     public CommonResult<PageResult<Demo03CourseDO>> getDemo03CoursePage(PageParam pageReqVO,
                                                                         @RequestParam("studentId") Long studentId) {
-        return success(demo03StudentService.getDemo03CoursePage(pageReqVO, studentId));
+        return success(demo03StudentErpService.getDemo03CoursePage(pageReqVO, studentId));
     }
     @PostMapping("/demo03-course/create")
     @Operation(summary = "创建学生课程")
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:create')")
     public CommonResult<Long> createDemo03Course(@Valid @RequestBody Demo03CourseDO demo03Course) {
-        return success(demo03StudentService.createDemo03Course(demo03Course));
+        return success(demo03StudentErpService.createDemo03Course(demo03Course));
     }
     @PutMapping("/demo03-course/update")
     @Operation(summary = "更新学生课程")
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:update')")
     public CommonResult<Boolean> updateDemo03Course(@Valid @RequestBody Demo03CourseDO demo03Course) {
-        demo03StudentService.updateDemo03Course(demo03Course);
+        demo03StudentErpService.updateDemo03Course(demo03Course);
         return success(true);
     }
@@ -123,7 +132,16 @@ public class Demo03StudentController {
     @Operation(summary = "删除学生课程")
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:delete')")
     public CommonResult<Boolean> deleteDemo03Course(@RequestParam("id") Long id) {
-        demo03StudentService.deleteDemo03Course(id);
+        demo03StudentErpService.deleteDemo03Course(id);
+        return success(true);
+    }
+
+    @DeleteMapping("/demo03-course/delete-batch")
+    @Parameter(name = "ids", description = "编号", required = true)
+    @Operation(summary = "批量删除学生课程")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:delete')")
+    public CommonResult<Boolean> deleteDemo03Course(@RequestParam("ids") List<Long> ids) {
+        demo03StudentErpService.deleteDemo03CourseByIds(ids);
         return success(true);
     }
@@ -132,15 +150,7 @@ public class Demo03StudentController {
     @Parameter(name = "id", description = "编号", required = true)
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
     public CommonResult<Demo03CourseDO> getDemo03Course(@RequestParam("id") Long id) {
-        return success(demo03StudentService.getDemo03Course(id));
-    }
-
-    @GetMapping("/demo03-course/list-by-student-id")
-    @Operation(summary = "获得学生课程列表")
-    @Parameter(name = "studentId", description = "学生编号")
-    @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
-    public CommonResult<List<Demo03CourseDO>> getDemo03CourseListByStudentId(@RequestParam("studentId") Long studentId) {
-        return success(demo03StudentService.getDemo03CourseListByStudentId(studentId));
+        return success(demo03StudentErpService.getDemo03Course(id));
     }
     // ==================== 子表（学生班级） ====================
@@ -151,21 +161,21 @@ public class Demo03StudentController {
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
     public CommonResult<PageResult<Demo03GradeDO>> getDemo03GradePage(PageParam pageReqVO,
                                                                       @RequestParam("studentId") Long studentId) {
-        return success(demo03StudentService.getDemo03GradePage(pageReqVO, studentId));
+        return success(demo03StudentErpService.getDemo03GradePage(pageReqVO, studentId));
     }
     @PostMapping("/demo03-grade/create")
     @Operation(summary = "创建学生班级")
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:create')")
     public CommonResult<Long> createDemo03Grade(@Valid @RequestBody Demo03GradeDO demo03Grade) {
-        return success(demo03StudentService.createDemo03Grade(demo03Grade));
+        return success(demo03StudentErpService.createDemo03Grade(demo03Grade));
     }
     @PutMapping("/demo03-grade/update")
     @Operation(summary = "更新学生班级")
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:update')")
     public CommonResult<Boolean> updateDemo03Grade(@Valid @RequestBody Demo03GradeDO demo03Grade) {
-        demo03StudentService.updateDemo03Grade(demo03Grade);
+        demo03StudentErpService.updateDemo03Grade(demo03Grade);
         return success(true);
     }
@@ -174,7 +184,16 @@ public class Demo03StudentController {
     @Operation(summary = "删除学生班级")
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:delete')")
     public CommonResult<Boolean> deleteDemo03Grade(@RequestParam("id") Long id) {
-        demo03StudentService.deleteDemo03Grade(id);
+        demo03StudentErpService.deleteDemo03Grade(id);
+        return success(true);
+    }
+
+    @DeleteMapping("/demo03-grade/delete-batch")
+    @Parameter(name = "ids", description = "编号", required = true)
+    @Operation(summary = "批量删除学生班级")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:delete')")
+    public CommonResult<Boolean> deleteDemo03Grade(@RequestParam("ids") List<Long> ids) {
+        demo03StudentErpService.deleteDemo03GradeByIds(ids);
         return success(true);
     }
@@ -183,15 +202,7 @@ public class Demo03StudentController {
     @Parameter(name = "id", description = "编号", required = true)
     @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
     public CommonResult<Demo03GradeDO> getDemo03Grade(@RequestParam("id") Long id) {
-        return success(demo03StudentService.getDemo03Grade(id));
-    }
-
-    @GetMapping("/demo03-grade/get-by-student-id")
-    @Operation(summary = "获得学生班级")
-    @Parameter(name = "studentId", description = "学生编号")
-    @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
-    public CommonResult<Demo03GradeDO> getDemo03GradeByStudentId(@RequestParam("studentId") Long studentId) {
-        return success(demo03StudentService.getDemo03GradeByStudentId(studentId));
+        return success(demo03StudentErpService.getDemo03Grade(id));
     }
 }
 \ No newline at end of file
-package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.vo;
+package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.erp.vo;
-import lombok.*;
-import io.swagger.v3.oas.annotations.media.Schema;
 import cn.iocoder.yudao.framework.common.pojo.PageParam;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
 import org.springframework.format.annotation.DateTimeFormat;
+
 import java.time.LocalDateTime;
 import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
@@ -12,7 +15,7 @@ import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_
 @Data
 @EqualsAndHashCode(callSuper = true)
 @ToString(callSuper = true)
-public class Demo03StudentPageReqVO extends PageParam {
+public class Demo03StudentErpPageReqVO extends PageParam {
     @Schema(description = "名字", example = "芋艿")
     private String name;
-package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.vo;
+package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.erp.vo;
+import cn.iocoder.yudao.framework.excel.core.annotations.DictFormat;
+import cn.iocoder.yudao.framework.excel.core.convert.DictConvert;
+import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
+import com.alibaba.excel.annotation.ExcelProperty;
 import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.*;
+import lombok.Data;
 import java.time.LocalDateTime;
-import com.alibaba.excel.annotation.*;
-import cn.iocoder.yudao.framework.excel.core.annotations.DictFormat;
-import cn.iocoder.yudao.framework.excel.core.convert.DictConvert;
 @Schema(description = "管理后台 - 学生 Response VO")
 @Data
 @ExcelIgnoreUnannotated
-public class Demo03StudentRespVO {
+public class Demo03StudentErpRespVO {
     @Schema(description = "编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "8525")
     @ExcelProperty("编号")
+package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.erp.vo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+@Schema(description = "管理后台 - 学生新增/修改 Request VO")
+@Data
+public class Demo03StudentErpSaveReqVO {
+
+    @Schema(description = "编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "8525")
+    private Long id;
+
+    @Schema(description = "名字", requiredMode = Schema.RequiredMode.REQUIRED, example = "芋艿")
+    @NotEmpty(message = "名字不能为空")
+    private String name;
+
+    @Schema(description = "性别", requiredMode = Schema.RequiredMode.REQUIRED)
+    @NotNull(message = "性别不能为空")
+    private Integer sex;
+
+    @Schema(description = "出生日期", requiredMode = Schema.RequiredMode.REQUIRED)
+    @NotNull(message = "出生日期不能为空")
+    private LocalDateTime birthday;
+
+    @Schema(description = "简介", requiredMode = Schema.RequiredMode.REQUIRED, example = "随便")
+    @NotEmpty(message = "简介不能为空")
+    private String description;
+
+}
 \ No newline at end of file
+package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.inner;
+
+import cn.iocoder.yudao.framework.apilog.core.annotation.ApiAccessLog;
+import cn.iocoder.yudao.framework.common.pojo.CommonResult;
+import cn.iocoder.yudao.framework.common.pojo.PageParam;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
+import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.inner.vo.Demo03StudentInnerPageReqVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.inner.vo.Demo03StudentInnerRespVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.inner.vo.Demo03StudentInnerSaveReqVO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03CourseDO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03StudentDO;
+import cn.iocoder.yudao.module.infra.service.demo.demo03.inner.Demo03StudentInnerService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.validation.Valid;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import java.io.IOException;
+import java.util.List;
+
+import static cn.iocoder.yudao.framework.apilog.core.enums.OperateTypeEnum.EXPORT;
+import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
+
+@Tag(name = "管理后台 - 学生")
+@RestController
+@RequestMapping("/infra/demo03-student-inner")
+@Validated
+public class Demo03StudentInnerController {
+
+    @Resource
+    private Demo03StudentInnerService demo03StudentInnerService;
+
+    @PostMapping("/create")
+    @Operation(summary = "创建学生")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:create')")
+    public CommonResult<Long> createDemo03Student(@Valid @RequestBody Demo03StudentInnerSaveReqVO createReqVO) {
+        return success(demo03StudentInnerService.createDemo03Student(createReqVO));
+    }
+
+    @PutMapping("/update")
+    @Operation(summary = "更新学生")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:update')")
+    public CommonResult<Boolean> updateDemo03Student(@Valid @RequestBody Demo03StudentInnerSaveReqVO updateReqVO) {
+        demo03StudentInnerService.updateDemo03Student(updateReqVO);
+        return success(true);
+    }
+
+    @DeleteMapping("/delete")
+    @Operation(summary = "删除学生")
+    @Parameter(name = "id", description = "编号", required = true)
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:delete')")
+    public CommonResult<Boolean> deleteDemo03Student(@RequestParam("id") Long id) {
+        demo03StudentInnerService.deleteDemo03Student(id);
+        return success(true);
+    }
+
+    @DeleteMapping("/delete-batch")
+    @Parameter(name = "ids", description = "编号", required = true)
+    @Operation(summary = "批量删除学生")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:delete')")
+    public CommonResult<Boolean> deleteDemo03Student(@RequestParam("ids") List<Long> ids) {
+        demo03StudentInnerService.deleteDemo03StudentByIds(ids);
+        return success(true);
+    }
+
+    @GetMapping("/get")
+    @Operation(summary = "获得学生")
+    @Parameter(name = "id", description = "编号", required = true, example = "1024")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
+    public CommonResult<Demo03StudentInnerRespVO> getDemo03Student(@RequestParam("id") Long id) {
+        Demo03StudentDO demo03Student = demo03StudentInnerService.getDemo03Student(id);
+        return success(BeanUtils.toBean(demo03Student, Demo03StudentInnerRespVO.class));
+    }
+
+    @GetMapping("/page")
+    @Operation(summary = "获得学生分页")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
+    public CommonResult<PageResult<Demo03StudentInnerRespVO>> getDemo03StudentPage(@Valid Demo03StudentInnerPageReqVO pageReqVO) {
+        PageResult<Demo03StudentDO> pageResult = demo03StudentInnerService.getDemo03StudentPage(pageReqVO);
+        return success(BeanUtils.toBean(pageResult, Demo03StudentInnerRespVO.class));
+    }
+
+    @GetMapping("/export-excel")
+    @Operation(summary = "导出学生 Excel")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:export')")
+    @ApiAccessLog(operateType = EXPORT)
+    public void exportDemo03StudentExcel(@Valid Demo03StudentInnerPageReqVO pageReqVO,
+                                         HttpServletResponse response) throws IOException {
+        pageReqVO.setPageSize(PageParam.PAGE_SIZE_NONE);
+        List<Demo03StudentDO> list = demo03StudentInnerService.getDemo03StudentPage(pageReqVO).getList();
+        // 导出 Excel
+        ExcelUtils.write(response, "学生.xls", "数据", Demo03StudentInnerRespVO.class,
+                BeanUtils.toBean(list, Demo03StudentInnerRespVO.class));
+    }
+
+    // ==================== 子表（学生课程） ====================
+
+    @GetMapping("/demo03-course/list-by-student-id")
+    @Operation(summary = "获得学生课程列表")
+    @Parameter(name = "studentId", description = "学生编号")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
+    public CommonResult<List<Demo03CourseDO>> getDemo03CourseListByStudentId(@RequestParam("studentId") Long studentId) {
+        return success(demo03StudentInnerService.getDemo03CourseListByStudentId(studentId));
+    }
+
+    // ==================== 子表（学生班级） ====================
+
+    @GetMapping("/demo03-grade/get-by-student-id")
+    @Operation(summary = "获得学生班级")
+    @Parameter(name = "studentId", description = "学生编号")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
+    public CommonResult<Demo03GradeDO> getDemo03GradeByStudentId(@RequestParam("studentId") Long studentId) {
+        return success(demo03StudentInnerService.getDemo03GradeByStudentId(studentId));
+    }
+
+}
 \ No newline at end of file
+package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.inner.vo;
+
+import cn.iocoder.yudao.framework.common.pojo.PageParam;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import java.time.LocalDateTime;
+
+import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
+
+@Schema(description = "管理后台 - 学生分页 Request VO")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+public class Demo03StudentInnerPageReqVO extends PageParam {
+
+    @Schema(description = "名字", example = "芋艿")
+    private String name;
+
+    @Schema(description = "性别")
+    private Integer sex;
+
+    @Schema(description = "简介", example = "随便")
+    private String description;
+
+    @Schema(description = "创建时间")
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
+    private LocalDateTime[] createTime;
+
+}
 \ No newline at end of file
+package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.inner.vo;
+
+import cn.iocoder.yudao.framework.excel.core.annotations.DictFormat;
+import cn.iocoder.yudao.framework.excel.core.convert.DictConvert;
+import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
+import com.alibaba.excel.annotation.ExcelProperty;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+@Schema(description = "管理后台 - 学生 Response VO")
+@Data
+@ExcelIgnoreUnannotated
+public class Demo03StudentInnerRespVO {
+
+    @Schema(description = "编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "8525")
+    @ExcelProperty("编号")
+    private Long id;
+
+    @Schema(description = "名字", requiredMode = Schema.RequiredMode.REQUIRED, example = "芋艿")
+    @ExcelProperty("名字")
+    private String name;
+
+    @Schema(description = "性别", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty(value = "性别", converter = DictConvert.class)
+    @DictFormat("system_user_sex") // TODO 代码优化：建议设置到对应的 DictTypeConstants 枚举类中
+    private Integer sex;
+
+    @Schema(description = "出生日期", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("出生日期")
+    private LocalDateTime birthday;
+
+    @Schema(description = "简介", requiredMode = Schema.RequiredMode.REQUIRED, example = "随便")
+    @ExcelProperty("简介")
+    private String description;
+
+    @Schema(description = "创建时间", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("创建时间")
+    private LocalDateTime createTime;
+
+}
 \ No newline at end of file
-package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.vo;
+package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.inner.vo;
-import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.*;
-import java.util.*;
-import jakarta.validation.constraints.*;
-import java.time.LocalDateTime;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03CourseDO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
 @Schema(description = "管理后台 - 学生新增/修改 Request VO")
 @Data
-public class Demo03StudentSaveReqVO {
+public class Demo03StudentInnerSaveReqVO {
     @Schema(description = "编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "8525")
     private Long id;
@@ -31,9 +33,10 @@ public class Demo03StudentSaveReqVO {
     @NotEmpty(message = "简介不能为空")
     private String description;
-
+    @Schema(description = "学生课程列表")
     private List<Demo03CourseDO> demo03Courses;
+    @Schema(description = "学生班级")
     private Demo03GradeDO demo03Grade;
 }
 \ No newline at end of file
+package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.normal;
+
+import cn.iocoder.yudao.framework.apilog.core.annotation.ApiAccessLog;
+import cn.iocoder.yudao.framework.common.pojo.CommonResult;
+import cn.iocoder.yudao.framework.common.pojo.PageParam;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
+import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.normal.vo.Demo03StudentNormalPageReqVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.normal.vo.Demo03StudentNormalRespVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.normal.vo.Demo03StudentNormalSaveReqVO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03CourseDO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03StudentDO;
+import cn.iocoder.yudao.module.infra.service.demo.demo03.normal.Demo03StudentNormalService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.validation.Valid;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import java.io.IOException;
+import java.util.List;
+
+import static cn.iocoder.yudao.framework.apilog.core.enums.OperateTypeEnum.EXPORT;
+import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
+
+@Tag(name = "管理后台 - 学生")
+@RestController
+@RequestMapping("/infra/demo03-student-normal")
+@Validated
+public class Demo03StudentNormalController {
+
+    @Resource
+    private Demo03StudentNormalService demo03StudentNormalService;
+
+    @PostMapping("/create")
+    @Operation(summary = "创建学生")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:create')")
+    public CommonResult<Long> createDemo03Student(@Valid @RequestBody Demo03StudentNormalSaveReqVO createReqVO) {
+        return success(demo03StudentNormalService.createDemo03Student(createReqVO));
+    }
+
+    @PutMapping("/update")
+    @Operation(summary = "更新学生")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:update')")
+    public CommonResult<Boolean> updateDemo03Student(@Valid @RequestBody Demo03StudentNormalSaveReqVO updateReqVO) {
+        demo03StudentNormalService.updateDemo03Student(updateReqVO);
+        return success(true);
+    }
+
+    @DeleteMapping("/delete")
+    @Operation(summary = "删除学生")
+    @Parameter(name = "id", description = "编号", required = true)
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:delete')")
+    public CommonResult<Boolean> deleteDemo03Student(@RequestParam("id") Long id) {
+        demo03StudentNormalService.deleteDemo03Student(id);
+        return success(true);
+    }
+
+    @DeleteMapping("/delete-batch")
+    @Parameter(name = "ids", description = "编号", required = true)
+    @Operation(summary = "批量删除学生")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:delete')")
+    public CommonResult<Boolean> deleteDemo03Student(@RequestParam("ids") List<Long> ids) {
+        demo03StudentNormalService.deleteDemo03StudentByIds(ids);
+        return success(true);
+    }
+
+    @GetMapping("/get")
+    @Operation(summary = "获得学生")
+    @Parameter(name = "id", description = "编号", required = true, example = "1024")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
+    public CommonResult<Demo03StudentNormalRespVO> getDemo03Student(@RequestParam("id") Long id) {
+        Demo03StudentDO demo03Student = demo03StudentNormalService.getDemo03Student(id);
+        return success(BeanUtils.toBean(demo03Student, Demo03StudentNormalRespVO.class));
+    }
+
+    @GetMapping("/page")
+    @Operation(summary = "获得学生分页")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
+    public CommonResult<PageResult<Demo03StudentNormalRespVO>> getDemo03StudentPage(@Valid Demo03StudentNormalPageReqVO pageReqVO) {
+        PageResult<Demo03StudentDO> pageResult = demo03StudentNormalService.getDemo03StudentPage(pageReqVO);
+        return success(BeanUtils.toBean(pageResult, Demo03StudentNormalRespVO.class));
+    }
+
+    @GetMapping("/export-excel")
+    @Operation(summary = "导出学生 Excel")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:export')")
+    @ApiAccessLog(operateType = EXPORT)
+    public void exportDemo03StudentExcel(@Valid Demo03StudentNormalPageReqVO pageReqVO,
+                                         HttpServletResponse response) throws IOException {
+        pageReqVO.setPageSize(PageParam.PAGE_SIZE_NONE);
+        List<Demo03StudentDO> list = demo03StudentNormalService.getDemo03StudentPage(pageReqVO).getList();
+        // 导出 Excel
+        ExcelUtils.write(response, "学生.xls", "数据", Demo03StudentNormalRespVO.class,
+                BeanUtils.toBean(list, Demo03StudentNormalRespVO.class));
+    }
+
+    // ==================== 子表（学生课程） ====================
+
+    @GetMapping("/demo03-course/list-by-student-id")
+    @Operation(summary = "获得学生课程列表")
+    @Parameter(name = "studentId", description = "学生编号")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
+    public CommonResult<List<Demo03CourseDO>> getDemo03CourseListByStudentId(@RequestParam("studentId") Long studentId) {
+        return success(demo03StudentNormalService.getDemo03CourseListByStudentId(studentId));
+    }
+
+    // ==================== 子表（学生班级） ====================
+
+    @GetMapping("/demo03-grade/get-by-student-id")
+    @Operation(summary = "获得学生班级")
+    @Parameter(name = "studentId", description = "学生编号")
+    @PreAuthorize("@ss.hasPermission('infra:demo03-student:query')")
+    public CommonResult<Demo03GradeDO> getDemo03GradeByStudentId(@RequestParam("studentId") Long studentId) {
+        return success(demo03StudentNormalService.getDemo03GradeByStudentId(studentId));
+    }
+
+}
 \ No newline at end of file
+package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.normal.vo;
+
+import cn.iocoder.yudao.framework.common.pojo.PageParam;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import java.time.LocalDateTime;
+
+import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
+
+@Schema(description = "管理后台 - 学生分页 Request VO")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+public class Demo03StudentNormalPageReqVO extends PageParam {
+
+    @Schema(description = "名字", example = "芋艿")
+    private String name;
+
+    @Schema(description = "性别")
+    private Integer sex;
+
+    @Schema(description = "简介", example = "随便")
+    private String description;
+
+    @Schema(description = "创建时间")
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
+    private LocalDateTime[] createTime;
+
+}
 \ No newline at end of file
+package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.normal.vo;
+
+import cn.iocoder.yudao.framework.excel.core.annotations.DictFormat;
+import cn.iocoder.yudao.framework.excel.core.convert.DictConvert;
+import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
+import com.alibaba.excel.annotation.ExcelProperty;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+@Schema(description = "管理后台 - 学生 Response VO")
+@Data
+@ExcelIgnoreUnannotated
+public class Demo03StudentNormalRespVO {
+
+    @Schema(description = "编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "8525")
+    @ExcelProperty("编号")
+    private Long id;
+
+    @Schema(description = "名字", requiredMode = Schema.RequiredMode.REQUIRED, example = "芋艿")
+    @ExcelProperty("名字")
+    private String name;
+
+    @Schema(description = "性别", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty(value = "性别", converter = DictConvert.class)
+    @DictFormat("system_user_sex") // TODO 代码优化：建议设置到对应的 DictTypeConstants 枚举类中
+    private Integer sex;
+
+    @Schema(description = "出生日期", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("出生日期")
+    private LocalDateTime birthday;
+
+    @Schema(description = "简介", requiredMode = Schema.RequiredMode.REQUIRED, example = "随便")
+    @ExcelProperty("简介")
+    private String description;
+
+    @Schema(description = "创建时间", requiredMode = Schema.RequiredMode.REQUIRED)
+    @ExcelProperty("创建时间")
+    private LocalDateTime createTime;
+
+}
 \ No newline at end of file
+package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.normal.vo;
+
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03CourseDO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Schema(description = "管理后台 - 学生新增/修改 Request VO")
+@Data
+public class Demo03StudentNormalSaveReqVO {
+
+    @Schema(description = "编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "8525")
+    private Long id;
+
+    @Schema(description = "名字", requiredMode = Schema.RequiredMode.REQUIRED, example = "芋艿")
+    @NotEmpty(message = "名字不能为空")
+    private String name;
+
+    @Schema(description = "性别", requiredMode = Schema.RequiredMode.REQUIRED)
+    @NotNull(message = "性别不能为空")
+    private Integer sex;
+
+    @Schema(description = "出生日期", requiredMode = Schema.RequiredMode.REQUIRED)
+    @NotNull(message = "出生日期不能为空")
+    private LocalDateTime birthday;
+
+    @Schema(description = "简介", requiredMode = Schema.RequiredMode.REQUIRED, example = "随便")
+    @NotEmpty(message = "简介不能为空")
+    private String description;
+
+    @Schema(description = "学生课程列表")
+    private List<Demo03CourseDO> demo03Courses;
+
+    @Schema(description = "学生班级")
+    private Demo03GradeDO demo03Grade;
+
+}
 \ No newline at end of file
-package cn.iocoder.yudao.module.infra.controller.admin.demo.demo03;
 \ No newline at end of file
 package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo01;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
 import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
 import cn.iocoder.yudao.module.infra.controller.admin.demo.demo01.vo.Demo01ContactPageReqVO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo01.Demo01ContactDO;
 import org.apache.ibatis.annotations.Mapper;
 package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo02;
-import java.util.*;
-
-import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
 import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
 import cn.iocoder.yudao.module.infra.controller.admin.demo.demo02.vo.Demo02CategoryListReqVO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo02.Demo02CategoryDO;
 import org.apache.ibatis.annotations.Mapper;
+import java.util.List;
+
 /**
  * 示例分类 Mapper
  *
@@ -24,9 +24,9 @@ public interface Demo02CategoryMapper extends BaseMapperX&lt;Demo02CategoryDO&gt; {
                 .orderByDesc(Demo02CategoryDO::getId));
     }
-	default Demo02CategoryDO selectByParentIdAndName(Long parentId, String name) {
-	    return selectOne(Demo02CategoryDO::getParentId, parentId, Demo02CategoryDO::getName, name);
-	}
+    default Demo02CategoryDO selectByParentIdAndName(Long parentId, String name) {
+        return selectOne(Demo02CategoryDO::getParentId, parentId, Demo02CategoryDO::getName, name);
+    }
     default Long selectCountByParentId(Long parentId) {
         return selectCount(Demo02CategoryDO::getParentId, parentId);
-package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03;
+package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.erp;
 import cn.iocoder.yudao.framework.common.pojo.PageParam;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
@@ -15,7 +15,7 @@ import java.util.List;
  * @author 芋道源码
  */
 @Mapper
-public interface Demo03CourseMapper extends BaseMapperX<Demo03CourseDO> {
+public interface Demo03CourseErpMapper extends BaseMapperX<Demo03CourseDO> {
     default PageResult<Demo03CourseDO> selectPage(PageParam reqVO, Long studentId) {
         return selectPage(reqVO, new LambdaQueryWrapperX<Demo03CourseDO>()
@@ -23,12 +23,12 @@ public interface Demo03CourseMapper extends BaseMapperX&lt;Demo03CourseDO&gt; {
                 .orderByDesc(Demo03CourseDO::getId));
     }
-    default List<Demo03CourseDO> selectListByStudentId(Long studentId) {
-        return selectList(Demo03CourseDO::getStudentId, studentId);
-    }
-
     default int deleteByStudentId(Long studentId) {
         return delete(Demo03CourseDO::getStudentId, studentId);
     }
-}
 \ No newline at end of file
+    default int deleteByStudentIds(List<Long> studentIds) {
+        return delete(Demo03CourseDO::getStudentId, studentIds);
+    }
+
+}
-package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03;
+package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.erp;
 import cn.iocoder.yudao.framework.common.pojo.PageParam;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
@@ -7,13 +7,15 @@ import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
 import org.apache.ibatis.annotations.Mapper;
+import java.util.List;
+
 /**
  * 学生班级 Mapper
  *
  * @author 芋道源码
  */
 @Mapper
-public interface Demo03GradeMapper extends BaseMapperX<Demo03GradeDO> {
+public interface Demo03GradeErpMapper extends BaseMapperX<Demo03GradeDO> {
     default PageResult<Demo03GradeDO> selectPage(PageParam reqVO, Long studentId) {
         return selectPage(reqVO, new LambdaQueryWrapperX<Demo03GradeDO>()
@@ -29,4 +31,8 @@ public interface Demo03GradeMapper extends BaseMapperX&lt;Demo03GradeDO&gt; {
         return delete(Demo03GradeDO::getStudentId, studentId);
     }
-}
 \ No newline at end of file
+    default int deleteByStudentIds(List<Long> studentIds) {
+        return delete(Demo03GradeDO::getStudentId, studentIds);
+    }
+
+}
-package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03;
+package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.erp;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
 import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.erp.vo.Demo03StudentErpPageReqVO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03StudentDO;
 import org.apache.ibatis.annotations.Mapper;
-import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.vo.*;
 /**
  * 学生 Mapper
@@ -13,9 +13,9 @@ import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.vo.*;
  * @author 芋道源码
  */
 @Mapper
-public interface Demo03StudentMapper extends BaseMapperX<Demo03StudentDO> {
+public interface Demo03StudentErpMapper extends BaseMapperX<Demo03StudentDO> {
-    default PageResult<Demo03StudentDO> selectPage(Demo03StudentPageReqVO reqVO) {
+    default PageResult<Demo03StudentDO> selectPage(Demo03StudentErpPageReqVO reqVO) {
         return selectPage(reqVO, new LambdaQueryWrapperX<Demo03StudentDO>()
                 .likeIfPresent(Demo03StudentDO::getName, reqVO.getName())
                 .eqIfPresent(Demo03StudentDO::getSex, reqVO.getSex())
+package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.inner;
+
+import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03CourseDO;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+/**
+ * 学生课程 Mapper
+ *
+ * @author 芋道源码
+ */
+@Mapper
+public interface Demo03CourseInnerMapper extends BaseMapperX<Demo03CourseDO> {
+
+    default List<Demo03CourseDO> selectListByStudentId(Long studentId) {
+        return selectList(Demo03CourseDO::getStudentId, studentId);
+    }
+
+    default int deleteByStudentId(Long studentId) {
+        return delete(Demo03CourseDO::getStudentId, studentId);
+    }
+
+    default int deleteByStudentIds(List<Long> studentIds) {
+        return delete(Demo03CourseDO::getStudentId, studentIds);
+    }
+
+}
+package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.inner;
+
+import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+/**
+ * 学生班级 Mapper
+ *
+ * @author 芋道源码
+ */
+@Mapper
+public interface Demo03GradeInnerMapper extends BaseMapperX<Demo03GradeDO> {
+
+    default Demo03GradeDO selectByStudentId(Long studentId) {
+        return selectOne(Demo03GradeDO::getStudentId, studentId);
+    }
+
+    default int deleteByStudentId(Long studentId) {
+        return delete(Demo03GradeDO::getStudentId, studentId);
+    }
+
+    default int deleteByStudentIds(List<Long> studentIds) {
+        return delete(Demo03GradeDO::getStudentId, studentIds);
+    }
+
+}
+package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.inner;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.inner.vo.Demo03StudentInnerPageReqVO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03StudentDO;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * 学生 Mapper
+ *
+ * @author 芋道源码
+ */
+@Mapper
+public interface Demo03StudentInnerMapper extends BaseMapperX<Demo03StudentDO> {
+
+    default PageResult<Demo03StudentDO> selectPage(Demo03StudentInnerPageReqVO reqVO) {
+        return selectPage(reqVO, new LambdaQueryWrapperX<Demo03StudentDO>()
+                .likeIfPresent(Demo03StudentDO::getName, reqVO.getName())
+                .eqIfPresent(Demo03StudentDO::getSex, reqVO.getSex())
+                .eqIfPresent(Demo03StudentDO::getDescription, reqVO.getDescription())
+                .betweenIfPresent(Demo03StudentDO::getCreateTime, reqVO.getCreateTime())
+                .orderByDesc(Demo03StudentDO::getId));
+    }
+
+}
 \ No newline at end of file
+package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.normal;
+
+import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03CourseDO;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+/**
+ * 学生课程 Mapper
+ *
+ * @author 芋道源码
+ */
+@Mapper
+public interface Demo03CourseNormalMapper extends BaseMapperX<Demo03CourseDO> {
+
+    default List<Demo03CourseDO> selectListByStudentId(Long studentId) {
+        return selectList(Demo03CourseDO::getStudentId, studentId);
+    }
+
+    default int deleteByStudentId(Long studentId) {
+        return delete(Demo03CourseDO::getStudentId, studentId);
+    }
+
+    default int deleteByStudentIds(List<Long> studentIds) {
+        return delete(Demo03CourseDO::getStudentId, studentIds);
+    }
+
+}
+package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.normal;
+
+import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+/**
+ * 学生班级 Mapper
+ *
+ * @author 芋道源码
+ */
+@Mapper
+public interface Demo03GradeNormalMapper extends BaseMapperX<Demo03GradeDO> {
+
+    default Demo03GradeDO selectByStudentId(Long studentId) {
+        return selectOne(Demo03GradeDO::getStudentId, studentId);
+    }
+
+    default int deleteByStudentId(Long studentId) {
+        return delete(Demo03GradeDO::getStudentId, studentId);
+    }
+
+    default int deleteByStudentIds(List<Long> studentIds) {
+        return delete(Demo03GradeDO::getStudentId, studentIds);
+    }
+
+}
+package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.normal;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.normal.vo.Demo03StudentNormalPageReqVO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03StudentDO;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * 学生 Mapper
+ *
+ * @author 芋道源码
+ */
+@Mapper
+public interface Demo03StudentNormalMapper extends BaseMapperX<Demo03StudentDO> {
+
+    default PageResult<Demo03StudentDO> selectPage(Demo03StudentNormalPageReqVO reqVO) {
+        return selectPage(reqVO, new LambdaQueryWrapperX<Demo03StudentDO>()
+                .likeIfPresent(Demo03StudentDO::getName, reqVO.getName())
+                .eqIfPresent(Demo03StudentDO::getSex, reqVO.getSex())
+                .eqIfPresent(Demo03StudentDO::getDescription, reqVO.getDescription())
+                .betweenIfPresent(Demo03StudentDO::getCreateTime, reqVO.getCreateTime())
+                .orderByDesc(Demo03StudentDO::getId));
+    }
+
+}
 \ No newline at end of file
@@ -65,7 +65,8 @@ public interface ErrorCodeConstants {
     ErrorCode DEMO02_CATEGORY_NAME_DUPLICATE = new ErrorCode(1_001_201_005, "已经存在该名字的示例分类");
     ErrorCode DEMO02_CATEGORY_PARENT_IS_CHILD = new ErrorCode(1_001_201_006, "不能设置自己的子示例分类为父示例分类");
     ErrorCode DEMO03_STUDENT_NOT_EXISTS = new ErrorCode(1_001_201_007, "学生不存在");
-    ErrorCode DEMO03_GRADE_NOT_EXISTS = new ErrorCode(1_001_201_008, "学生班级不存在");
-    ErrorCode DEMO03_GRADE_EXISTS = new ErrorCode(1_001_201_009, "学生班级已存在");
+    ErrorCode DEMO03_COURSE_NOT_EXISTS = new ErrorCode(1_001_201_008, "学生课程不存在");
+    ErrorCode DEMO03_GRADE_NOT_EXISTS = new ErrorCode(1_001_201_009, "学生班级不存在");
+    ErrorCode DEMO03_GRADE_EXISTS = new ErrorCode(1_001_201_010, "学生班级已存在");
 }
@@ -49,4 +49,10 @@ public class CodegenProperties {
     @NotNull(message = "是否生成单元测试不能为空")
     private Boolean unitTestEnable;
+    /**
+     * 是否生成批量删除接口
+     */
+    @NotNull(message = "是否生成批量删除接口不能为空")
+    private Boolean deleteBatchEnable;
+
 }
@@ -236,6 +236,7 @@ public class CodegenEngine {
                 + '.' + "framework"); // 用于后续获取测试类的 package 地址
         globalBindingMap.put("jakartaPackage", jakartaEnable ? "jakarta" : "javax");
         globalBindingMap.put("voType", codegenProperties.getVoType());
+        globalBindingMap.put("deleteBatchEnable", codegenProperties.getDeleteBatchEnable());
         // 全局 Java Bean
         globalBindingMap.put("CommonResultClassName", CommonResult.class.getName());
         globalBindingMap.put("PageResultClassName", PageResult.class.getName());
@@ -257,6 +258,7 @@ public class CodegenEngine {
         globalBindingMap.put("ApiAccessLogClassName", ApiAccessLog.class.getName());
         globalBindingMap.put("OperateTypeEnumClassName", OperateTypeEnum.class.getName());
         globalBindingMap.put("BeanUtils", BeanUtils.class.getName());
+        globalBindingMap.put("CollectionUtilsClassName", CollectionUtils.class.getName());
     }
     /**
@@ -382,7 +384,6 @@ public class CodegenEngine {
         bindingMap.put("columns", columns);
         bindingMap.put("primaryColumn", CollectionUtils.findFirst(columns, CodegenColumnDO::getPrimaryKey)); // 主键字段
         bindingMap.put("sceneEnum", CodegenSceneEnum.valueOf(table.getScene()));
-
         // className 相关
         // 去掉指定前缀，将 TestDictType 转换成 DictType. 因为在 create 等方法后，不需要带上 Test 前缀
         String className = table.getClassName();
 package cn.iocoder.yudao.module.infra.service.demo.demo01;
-import jakarta.validation.*;
-
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.module.infra.controller.admin.demo.demo01.vo.Demo01ContactPageReqVO;
 import cn.iocoder.yudao.module.infra.controller.admin.demo.demo01.vo.Demo01ContactSaveReqVO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo01.Demo01ContactDO;
-import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import jakarta.validation.Valid;
+
+import java.util.List;
 /**
  * 示例联系人 Service 接口
@@ -37,6 +38,13 @@ public interface Demo01ContactService {
     void deleteDemo01Contact(Long id);
     /**
+     * 批量删除示例联系人
+     *
+     * @param ids 编号
+     */
+    void deleteDemo01ContactByIds(List<Long> ids);
+
+    /**
      * 获得示例联系人
      *
      * @param id 编号
 package cn.iocoder.yudao.module.infra.service.demo.demo01;
+import cn.hutool.core.collection.CollUtil;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
 import cn.iocoder.yudao.module.infra.controller.admin.demo.demo01.vo.Demo01ContactPageReqVO;
 import cn.iocoder.yudao.module.infra.controller.admin.demo.demo01.vo.Demo01ContactSaveReqVO;
-import org.springframework.stereotype.Service;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo01.Demo01ContactDO;
+import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo01.Demo01ContactMapper;
 import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
-import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo01.Demo01ContactDO;
-import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
-
-import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo01.Demo01ContactMapper;
+import java.util.List;
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
-import static cn.iocoder.yudao.module.infra.enums.ErrorCodeConstants.*;
+import static cn.iocoder.yudao.module.infra.enums.ErrorCodeConstants.DEMO01_CONTACT_NOT_EXISTS;
 /**
  * 示例联系人 Service 实现类
@@ -53,6 +54,21 @@ public class Demo01ContactServiceImpl implements Demo01ContactService {
         demo01ContactMapper.deleteById(id);
     }
+    @Override
+    public void deleteDemo01ContactByIds(List<Long> ids) {
+        // 校验存在
+        validateDemo01ContactExists(ids);
+        // 删除
+        demo01ContactMapper.deleteByIds(ids);
+    }
+
+    private void validateDemo01ContactExists(List<Long> ids) {
+        List<Demo01ContactDO> list = demo01ContactMapper.selectByIds(ids);
+        if (CollUtil.isEmpty(list) || list.size() != ids.size()) {
+            throw exception(DEMO01_CONTACT_NOT_EXISTS);
+        }
+    }
+
     private void validateDemo01ContactExists(Long id) {
         if (demo01ContactMapper.selectById(id) == null) {
             throw exception(DEMO01_CONTACT_NOT_EXISTS);
 package cn.iocoder.yudao.module.infra.service.demo.demo02;
-import java.util.*;
-import jakarta.validation.*;
-
 import cn.iocoder.yudao.module.infra.controller.admin.demo.demo02.vo.Demo02CategoryListReqVO;
 import cn.iocoder.yudao.module.infra.controller.admin.demo.demo02.vo.Demo02CategorySaveReqVO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo02.Demo02CategoryDO;
+import jakarta.validation.Valid;
+
+import java.util.List;
 /**
  * 示例分类 Service 接口
@@ -5,10 +5,10 @@ import cn.iocoder.yudao.module.infra.controller.admin.demo.demo02.vo.Demo02Categ
 import cn.iocoder.yudao.module.infra.controller.admin.demo.demo02.vo.Demo02CategorySaveReqVO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo02.Demo02CategoryDO;
 import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo02.Demo02CategoryMapper;
+import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
-import jakarta.annotation.Resource;
 import java.util.List;
 import java.util.Objects;
-package cn.iocoder.yudao.module.infra.service.demo.demo03;
+package cn.iocoder.yudao.module.infra.service.demo.demo03.erp;
 import cn.iocoder.yudao.framework.common.pojo.PageParam;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
-import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.vo.Demo03StudentPageReqVO;
-import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.vo.Demo03StudentSaveReqVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.erp.vo.Demo03StudentErpPageReqVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.erp.vo.Demo03StudentErpSaveReqVO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03CourseDO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03StudentDO;
-
 import jakarta.validation.Valid;
+
 import java.util.List;
 /**
@@ -16,7 +16,7 @@ import java.util.List;
  *
  * @author 芋道源码
  */
-public interface Demo03StudentService {
+public interface Demo03StudentErpService {
     /**
      * 创建学生
@@ -24,14 +24,14 @@ public interface Demo03StudentService {
      * @param createReqVO 创建信息
      * @return 编号
      */
-    Long createDemo03Student(@Valid Demo03StudentSaveReqVO createReqVO);
+    Long createDemo03Student(@Valid Demo03StudentErpSaveReqVO createReqVO);
     /**
      * 更新学生
      *
      * @param updateReqVO 更新信息
      */
-    void updateDemo03Student(@Valid Demo03StudentSaveReqVO updateReqVO);
+    void updateDemo03Student(@Valid Demo03StudentErpSaveReqVO updateReqVO);
     /**
      * 删除学生
@@ -41,6 +41,13 @@ public interface Demo03StudentService {
     void deleteDemo03Student(Long id);
     /**
+     * 批量删除学生
+     *
+     * @param ids 编号
+     */
+    void deleteDemo03StudentByIds(List<Long> ids);
+
+    /**
      * 获得学生
      *
      * @param id 编号
@@ -54,20 +61,11 @@ public interface Demo03StudentService {
      * @param pageReqVO 分页查询
      * @return 学生分页
      */
-    PageResult<Demo03StudentDO> getDemo03StudentPage(Demo03StudentPageReqVO pageReqVO);
-
+    PageResult<Demo03StudentDO> getDemo03StudentPage(Demo03StudentErpPageReqVO pageReqVO);
     // ==================== 子表（学生课程） ====================
     /**
-     * 获得学生课程列表
-     *
-     * @param studentId 学生编号
-     * @return 学生课程列表
-     */
-    List<Demo03CourseDO> getDemo03CourseListByStudentId(Long studentId);
-
-    /**
      * 获得学生课程分页
      *
      * @param pageReqVO 分页查询
@@ -99,6 +97,13 @@ public interface Demo03StudentService {
     void deleteDemo03Course(Long id);
     /**
+     * 批量删除学生课程
+     *
+     * @param ids 编号
+     */
+    void deleteDemo03CourseByIds(List<Long> ids);
+
+    /**
      * 获得学生课程
      *
      * @param id 编号
@@ -109,14 +114,6 @@ public interface Demo03StudentService {
     // ==================== 子表（学生班级） ====================
     /**
-     * 获得学生班级
-     *
-     * @param studentId 学生编号
-     * @return 学生班级
-     */
-    Demo03GradeDO getDemo03GradeByStudentId(Long studentId);
-
-    /**
      * 获得学生班级分页
      *
      * @param pageReqVO 分页查询
@@ -148,6 +145,13 @@ public interface Demo03StudentService {
     void deleteDemo03Grade(Long id);
     /**
+     * 批量删除学生班级
+     *
+     * @param ids 编号
+     */
+    void deleteDemo03GradeByIds(List<Long> ids);
+
+    /**
      * 获得学生班级
      *
      * @param id 编号
-package cn.iocoder.yudao.module.infra.service.demo.demo03;
+package cn.iocoder.yudao.module.infra.service.demo.demo03.erp;
+import cn.hutool.core.collection.CollUtil;
 import cn.iocoder.yudao.framework.common.pojo.PageParam;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
-import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.vo.Demo03StudentPageReqVO;
-import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.vo.Demo03StudentSaveReqVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.erp.vo.Demo03StudentErpPageReqVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.erp.vo.Demo03StudentErpSaveReqVO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03CourseDO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
 import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03StudentDO;
-import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.Demo03CourseMapper;
-import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.Demo03GradeMapper;
-import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.Demo03StudentMapper;
+import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.erp.Demo03CourseErpMapper;
+import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.erp.Demo03GradeErpMapper;
+import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.erp.Demo03StudentErpMapper;
+import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.validation.annotation.Validated;
-import jakarta.annotation.Resource;
 import java.util.List;
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
@@ -28,41 +29,31 @@ import static cn.iocoder.yudao.module.infra.enums.ErrorCodeConstants.*;
  */
 @Service
 @Validated
-public class Demo03StudentServiceImpl implements Demo03StudentService {
+public class Demo03StudentErpServiceImpl implements Demo03StudentErpService {
     @Resource
-    private Demo03StudentMapper demo03StudentMapper;
+    private Demo03StudentErpMapper demo03StudentErpMapper;
     @Resource
-    private Demo03CourseMapper demo03CourseMapper;
+    private Demo03CourseErpMapper demo03CourseErpMapper;
     @Resource
-    private Demo03GradeMapper demo03GradeMapper;
+    private Demo03GradeErpMapper demo03GradeErpMapper;
     @Override
-    @Transactional(rollbackFor = Exception.class)
-    public Long createDemo03Student(Demo03StudentSaveReqVO createReqVO) {
+    public Long createDemo03Student(Demo03StudentErpSaveReqVO createReqVO) {
         // 插入
         Demo03StudentDO demo03Student = BeanUtils.toBean(createReqVO, Demo03StudentDO.class);
-        demo03StudentMapper.insert(demo03Student);
-
-        // 插入子表
-        createDemo03CourseList(demo03Student.getId(), createReqVO.getDemo03Courses());
-        createDemo03Grade(demo03Student.getId(), createReqVO.getDemo03Grade());
+        demo03StudentErpMapper.insert(demo03Student);
         // 返回
         return demo03Student.getId();
     }
     @Override
-    @Transactional(rollbackFor = Exception.class)
-    public void updateDemo03Student(Demo03StudentSaveReqVO updateReqVO) {
+    public void updateDemo03Student(Demo03StudentErpSaveReqVO updateReqVO) {
         // 校验存在
         validateDemo03StudentExists(updateReqVO.getId());
         // 更新
         Demo03StudentDO updateObj = BeanUtils.toBean(updateReqVO, Demo03StudentDO.class);
-        demo03StudentMapper.updateById(updateObj);
-
-        // 更新子表
-        updateDemo03CourseList(updateReqVO.getId(), updateReqVO.getDemo03Courses());
-        updateDemo03Grade(updateReqVO.getId(), updateReqVO.getDemo03Grade());
+        demo03StudentErpMapper.updateById(updateObj);
     }
     @Override
@@ -71,119 +62,128 @@ public class Demo03StudentServiceImpl implements Demo03StudentService {
         // 校验存在
         validateDemo03StudentExists(id);
         // 删除
-        demo03StudentMapper.deleteById(id);
+        demo03StudentErpMapper.deleteById(id);
         // 删除子表
         deleteDemo03CourseByStudentId(id);
         deleteDemo03GradeByStudentId(id);
     }
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void deleteDemo03StudentByIds(List<Long> ids) {
+        // 校验存在
+        validateDemo03StudentExists(ids);
+        // 删除
+        demo03StudentErpMapper.deleteByIds(ids);
+
+        // 删除子表
+        deleteDemo03CourseByStudentIds(ids);
+        deleteDemo03GradeByStudentIds(ids);
+    }
+
+    private void validateDemo03StudentExists(List<Long> ids) {
+        List<Demo03StudentDO> list = demo03StudentErpMapper.selectByIds(ids);
+        if (CollUtil.isEmpty(list) || list.size() != ids.size()) {
+            throw exception(DEMO03_STUDENT_NOT_EXISTS);
+        }
+    }
+
     private void validateDemo03StudentExists(Long id) {
-        if (demo03StudentMapper.selectById(id) == null) {
+        if (demo03StudentErpMapper.selectById(id) == null) {
             throw exception(DEMO03_STUDENT_NOT_EXISTS);
         }
     }
     @Override
     public Demo03StudentDO getDemo03Student(Long id) {
-        return demo03StudentMapper.selectById(id);
+        return demo03StudentErpMapper.selectById(id);
     }
     @Override
-    public PageResult<Demo03StudentDO> getDemo03StudentPage(Demo03StudentPageReqVO pageReqVO) {
-        return demo03StudentMapper.selectPage(pageReqVO);
+    public PageResult<Demo03StudentDO> getDemo03StudentPage(Demo03StudentErpPageReqVO pageReqVO) {
+        return demo03StudentErpMapper.selectPage(pageReqVO);
     }
     // ==================== 子表（学生课程） ====================
     @Override
-    public List<Demo03CourseDO> getDemo03CourseListByStudentId(Long studentId) {
-        return demo03CourseMapper.selectListByStudentId(studentId);
-    }
-
-    private void createDemo03CourseList(Long studentId, List<Demo03CourseDO> list) {
-        if (list != null) {
-            list.forEach(o -> o.setStudentId(studentId));
-        }
-        demo03CourseMapper.insertBatch(list);
-    }
-
-    private void updateDemo03CourseList(Long studentId, List<Demo03CourseDO> list) {
-        deleteDemo03CourseByStudentId(studentId);
-		list.forEach(o -> o.setId(null).setUpdater(null).setUpdateTime(null)); // 解决更新情况下：1）id 冲突；2）updateTime 不更新
-        createDemo03CourseList(studentId, list);
-    }
-
-    private void deleteDemo03CourseByStudentId(Long studentId) {
-        demo03CourseMapper.deleteByStudentId(studentId);
-    }
-
-    @Override
     public PageResult<Demo03CourseDO> getDemo03CoursePage(PageParam pageReqVO, Long studentId) {
-        return demo03CourseMapper.selectPage(pageReqVO, studentId);
+        return demo03CourseErpMapper.selectPage(pageReqVO, studentId);
     }
     @Override
     public Long createDemo03Course(Demo03CourseDO demo03Course) {
-        demo03CourseMapper.insert(demo03Course);
+        demo03CourseErpMapper.insert(demo03Course);
         return demo03Course.getId();
     }
     @Override
     public void updateDemo03Course(Demo03CourseDO demo03Course) {
-        demo03CourseMapper.updateById(demo03Course);
+        // 校验存在
+        validateDemo03CourseExists(demo03Course.getId());
+        // 更新
+        demo03Course.setUpdater(null).setUpdateTime(null); // 解决更新情况下：updateTime 不更新
+        demo03CourseErpMapper.updateById(demo03Course);
     }
     @Override
     public void deleteDemo03Course(Long id) {
-        demo03CourseMapper.deleteById(id);
+        // 校验存在
+        validateDemo03CourseExists(id);
+        // 删除
+        demo03CourseErpMapper.deleteById(id);
     }
     @Override
-    public Demo03CourseDO getDemo03Course(Long id) {
-        return demo03CourseMapper.selectById(id);
+    public void deleteDemo03CourseByIds(List<Long> ids) {
+        // 校验存在
+        validateDemo03CourseExists(ids);
+        // 删除
+        demo03CourseErpMapper.deleteByIds(ids);
     }
-    // ==================== 子表（学生班级） ====================
-
     @Override
-    public Demo03GradeDO getDemo03GradeByStudentId(Long studentId) {
-        return demo03GradeMapper.selectByStudentId(studentId);
+    public Demo03CourseDO getDemo03Course(Long id) {
+        return demo03CourseErpMapper.selectById(id);
     }
-    private void createDemo03Grade(Long studentId, Demo03GradeDO demo03Grade) {
-        if (demo03Grade == null) {
-            return;
+    private void validateDemo03CourseExists(Long id) {
+        if (demo03CourseErpMapper.selectById(id) == null) {
+            throw exception(DEMO03_COURSE_NOT_EXISTS);
         }
-        demo03Grade.setStudentId(studentId);
-        demo03GradeMapper.insert(demo03Grade);
     }
-    private void updateDemo03Grade(Long studentId, Demo03GradeDO demo03Grade) {
-        if (demo03Grade == null) {
-			return;
+    private void validateDemo03CourseExists(List<Long> ids) {
+        List<Demo03CourseDO> list = demo03CourseErpMapper.selectByIds(ids);
+        if (CollUtil.isEmpty(list) || list.size() != ids.size()) {
+            throw exception(DEMO03_COURSE_NOT_EXISTS);
         }
-        demo03Grade.setStudentId(studentId);
-        demo03Grade.setUpdater(null).setUpdateTime(null); // 解决更新情况下：updateTime 不更新
-        demo03GradeMapper.insertOrUpdate(demo03Grade);
     }
-    private void deleteDemo03GradeByStudentId(Long studentId) {
-        demo03GradeMapper.deleteByStudentId(studentId);
+    private void deleteDemo03CourseByStudentId(Long studentId) {
+        demo03CourseErpMapper.deleteByStudentId(studentId);
+    }
+
+    private void deleteDemo03CourseByStudentIds(List<Long> studentIds) {
+        demo03CourseErpMapper.deleteByStudentIds(studentIds);
     }
+    // ==================== 子表（学生班级） ====================
+
     @Override
     public PageResult<Demo03GradeDO> getDemo03GradePage(PageParam pageReqVO, Long studentId) {
-        return demo03GradeMapper.selectPage(pageReqVO, studentId);
+        return demo03GradeErpMapper.selectPage(pageReqVO, studentId);
     }
     @Override
     public Long createDemo03Grade(Demo03GradeDO demo03Grade) {
         // 校验是否已经存在
-        if (demo03GradeMapper.selectByStudentId(demo03Grade.getStudentId()) != null) {
+        if (demo03GradeErpMapper.selectByStudentId(demo03Grade.getStudentId()) != null) {
             throw exception(DEMO03_GRADE_EXISTS);
         }
-        demo03GradeMapper.insert(demo03Grade);
+        // 插入
+        demo03GradeErpMapper.insert(demo03Grade);
         return demo03Grade.getId();
     }
@@ -192,7 +192,8 @@ public class Demo03StudentServiceImpl implements Demo03StudentService {
         // 校验存在
         validateDemo03GradeExists(demo03Grade.getId());
         // 更新
-        demo03GradeMapper.updateById(demo03Grade);
+        demo03Grade.setUpdater(null).setUpdateTime(null); // 解决更新情况下：updateTime 不更新
+        demo03GradeErpMapper.updateById(demo03Grade);
     }
     @Override
@@ -200,18 +201,41 @@ public class Demo03StudentServiceImpl implements Demo03StudentService {
         // 校验存在
         validateDemo03GradeExists(id);
         // 删除
-        demo03GradeMapper.deleteById(id);
+        demo03GradeErpMapper.deleteById(id);
+    }
+
+    @Override
+    public void deleteDemo03GradeByIds(List<Long> ids) {
+        // 校验存在
+        validateDemo03GradeExists(ids);
+        // 删除
+        demo03GradeErpMapper.deleteByIds(ids);
     }
     @Override
     public Demo03GradeDO getDemo03Grade(Long id) {
-        return demo03GradeMapper.selectById(id);
+        return demo03GradeErpMapper.selectById(id);
     }
     private void validateDemo03GradeExists(Long id) {
-        if (demo03GradeMapper.selectById(id) == null) {
+        if (demo03GradeErpMapper.selectById(id) == null) {
             throw exception(DEMO03_GRADE_NOT_EXISTS);
         }
     }
+    private void validateDemo03GradeExists(List<Long> ids) {
+        List<Demo03GradeDO> list = demo03GradeErpMapper.selectByIds(ids);
+        if (CollUtil.isEmpty(list) || list.size() != ids.size()) {
+            throw exception(DEMO03_GRADE_NOT_EXISTS);
+        }
+    }
+
+    private void deleteDemo03GradeByStudentId(Long studentId) {
+        demo03GradeErpMapper.deleteByStudentId(studentId);
+    }
+
+    private void deleteDemo03GradeByStudentIds(List<Long> studentIds) {
+        demo03GradeErpMapper.deleteByStudentIds(studentIds);
+    }
+
 }
 \ No newline at end of file
+package cn.iocoder.yudao.module.infra.service.demo.demo03.inner;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.inner.vo.Demo03StudentInnerPageReqVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.inner.vo.Demo03StudentInnerSaveReqVO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03CourseDO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03StudentDO;
+import jakarta.validation.Valid;
+
+import java.util.List;
+
+/**
+ * 学生 Service 接口
+ *
+ * @author 芋道源码
+ */
+public interface Demo03StudentInnerService {
+
+    /**
+     * 创建学生
+     *
+     * @param createReqVO 创建信息
+     * @return 编号
+     */
+    Long createDemo03Student(@Valid Demo03StudentInnerSaveReqVO createReqVO);
+
+    /**
+     * 更新学生
+     *
+     * @param updateReqVO 更新信息
+     */
+    void updateDemo03Student(@Valid Demo03StudentInnerSaveReqVO updateReqVO);
+
+    /**
+     * 删除学生
+     *
+     * @param id 编号
+     */
+    void deleteDemo03Student(Long id);
+
+    /**
+     * 批量删除学生
+     *
+     * @param ids 编号
+     */
+    void deleteDemo03StudentByIds(List<Long> ids);
+
+    /**
+     * 获得学生
+     *
+     * @param id 编号
+     * @return 学生
+     */
+    Demo03StudentDO getDemo03Student(Long id);
+
+    /**
+     * 获得学生分页
+     *
+     * @param pageReqVO 分页查询
+     * @return 学生分页
+     */
+    PageResult<Demo03StudentDO> getDemo03StudentPage(Demo03StudentInnerPageReqVO pageReqVO);
+
+    // ==================== 子表（学生课程） ====================
+
+    /**
+     * 获得学生课程列表
+     *
+     * @param studentId 学生编号
+     * @return 学生课程列表
+     */
+    List<Demo03CourseDO> getDemo03CourseListByStudentId(Long studentId);
+
+    // ==================== 子表（学生班级） ====================
+
+    /**
+     * 获得学生班级
+     *
+     * @param studentId 学生编号
+     * @return 学生班级
+     */
+    Demo03GradeDO getDemo03GradeByStudentId(Long studentId);
+
+}
 \ No newline at end of file
+package cn.iocoder.yudao.module.infra.service.demo.demo03.inner;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.util.ObjectUtil;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.inner.vo.Demo03StudentInnerPageReqVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.inner.vo.Demo03StudentInnerSaveReqVO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03CourseDO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03StudentDO;
+import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.inner.Demo03CourseInnerMapper;
+import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.inner.Demo03GradeInnerMapper;
+import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.inner.Demo03StudentInnerMapper;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.validation.annotation.Validated;
+
+import java.util.List;
+
+import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.diffList;
+import static cn.iocoder.yudao.module.infra.enums.ErrorCodeConstants.DEMO03_STUDENT_NOT_EXISTS;
+
+/**
+ * 学生 Service 实现类
+ *
+ * @author 芋道源码
+ */
+@Service
+@Validated
+public class Demo03StudentInnerServiceImpl implements Demo03StudentInnerService {
+
+    @Resource
+    private Demo03StudentInnerMapper demo03StudentInnerMapper;
+    @Resource
+    private Demo03CourseInnerMapper demo03CourseInnerMapper;
+    @Resource
+    private Demo03GradeInnerMapper demo03GradeInnerMapper;
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Long createDemo03Student(Demo03StudentInnerSaveReqVO createReqVO) {
+        // 插入
+        Demo03StudentDO demo03Student = BeanUtils.toBean(createReqVO, Demo03StudentDO.class);
+        demo03StudentInnerMapper.insert(demo03Student);
+
+        // 插入子表
+        createDemo03CourseList(demo03Student.getId(), createReqVO.getDemo03Courses());
+        createDemo03Grade(demo03Student.getId(), createReqVO.getDemo03Grade());
+        // 返回
+        return demo03Student.getId();
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void updateDemo03Student(Demo03StudentInnerSaveReqVO updateReqVO) {
+        // 校验存在
+        validateDemo03StudentExists(updateReqVO.getId());
+        // 更新
+        Demo03StudentDO updateObj = BeanUtils.toBean(updateReqVO, Demo03StudentDO.class);
+        demo03StudentInnerMapper.updateById(updateObj);
+
+        // 更新子表
+        updateDemo03CourseList(updateReqVO.getId(), updateReqVO.getDemo03Courses());
+        updateDemo03Grade(updateReqVO.getId(), updateReqVO.getDemo03Grade());
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void deleteDemo03Student(Long id) {
+        // 校验存在
+        validateDemo03StudentExists(id);
+        // 删除
+        demo03StudentInnerMapper.deleteById(id);
+
+        // 删除子表
+        deleteDemo03CourseByStudentId(id);
+        deleteDemo03GradeByStudentId(id);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void deleteDemo03StudentByIds(List<Long> ids) {
+        // 校验存在
+        validateDemo03StudentExists(ids);
+        // 删除
+        demo03StudentInnerMapper.deleteByIds(ids);
+
+        // 删除子表
+        deleteDemo03CourseByStudentIds(ids);
+        deleteDemo03GradeByStudentIds(ids);
+    }
+
+    private void validateDemo03StudentExists(List<Long> ids) {
+        List<Demo03StudentDO> list = demo03StudentInnerMapper.selectByIds(ids);
+        if (CollUtil.isEmpty(list) || list.size() != ids.size()) {
+            throw exception(DEMO03_STUDENT_NOT_EXISTS);
+        }
+    }
+
+    private void validateDemo03StudentExists(Long id) {
+        if (demo03StudentInnerMapper.selectById(id) == null) {
+            throw exception(DEMO03_STUDENT_NOT_EXISTS);
+        }
+    }
+
+    @Override
+    public Demo03StudentDO getDemo03Student(Long id) {
+        return demo03StudentInnerMapper.selectById(id);
+    }
+
+    @Override
+    public PageResult<Demo03StudentDO> getDemo03StudentPage(Demo03StudentInnerPageReqVO pageReqVO) {
+        return demo03StudentInnerMapper.selectPage(pageReqVO);
+    }
+
+    // ==================== 子表（学生课程） ====================
+
+    @Override
+    public List<Demo03CourseDO> getDemo03CourseListByStudentId(Long studentId) {
+        return demo03CourseInnerMapper.selectListByStudentId(studentId);
+    }
+
+    private void createDemo03CourseList(Long studentId, List<Demo03CourseDO> list) {
+        list.forEach(o -> o.setStudentId(studentId));
+        demo03CourseInnerMapper.insertBatch(list);
+    }
+
+    private void updateDemo03CourseList(Long studentId, List<Demo03CourseDO> list) {
+        list.forEach(o -> o.setStudentId(studentId));
+        List<Demo03CourseDO> oldList = demo03CourseInnerMapper.selectListByStudentId(studentId);
+        List<List<Demo03CourseDO>> diffList = diffList(oldList, list, (oldVal, newVal) -> {
+            boolean same = ObjectUtil.equal(oldVal.getId(), newVal.getId());
+            if (same) {
+                newVal.setId(oldVal.getId()).setUpdater(null).setUpdateTime(null); // 解决更新情况下：updateTime 不更新
+            }
+            return same;
+        });
+
+        // 第二步，批量添加、修改、删除
+        if (CollUtil.isNotEmpty(diffList.get(0))) {
+            demo03CourseInnerMapper.insertBatch(diffList.get(0));
+        }
+        if (CollUtil.isNotEmpty(diffList.get(1))) {
+            demo03CourseInnerMapper.updateBatch(diffList.get(1));
+        }
+        if (CollUtil.isNotEmpty(diffList.get(2))) {
+            demo03CourseInnerMapper.deleteByIds(convertList(diffList.get(2), Demo03CourseDO::getId));
+        }
+    }
+
+    private void deleteDemo03CourseByStudentId(Long studentId) {
+        demo03CourseInnerMapper.deleteByStudentId(studentId);
+    }
+
+    private void deleteDemo03CourseByStudentIds(List<Long> studentIds) {
+        demo03CourseInnerMapper.deleteByStudentIds(studentIds);
+    }
+
+    // ==================== 子表（学生班级） ====================
+
+    @Override
+    public Demo03GradeDO getDemo03GradeByStudentId(Long studentId) {
+        return demo03GradeInnerMapper.selectByStudentId(studentId);
+    }
+
+    private void createDemo03Grade(Long studentId, Demo03GradeDO demo03Grade) {
+        if (demo03Grade == null) {
+            return;
+        }
+        demo03Grade.setStudentId(studentId);
+        demo03GradeInnerMapper.insert(demo03Grade);
+    }
+
+    private void updateDemo03Grade(Long studentId, Demo03GradeDO demo03Grade) {
+        if (demo03Grade == null) {
+            return;
+        }
+        demo03Grade.setStudentId(studentId);
+        demo03Grade.setUpdater(null).setUpdateTime(null); // 解决更新情况下：updateTime 不更新
+        demo03GradeInnerMapper.insertOrUpdate(demo03Grade);
+    }
+
+    private void deleteDemo03GradeByStudentId(Long studentId) {
+        demo03GradeInnerMapper.deleteByStudentId(studentId);
+    }
+
+    private void deleteDemo03GradeByStudentIds(List<Long> studentIds) {
+        demo03GradeInnerMapper.deleteByStudentIds(studentIds);
+    }
+
+}
 \ No newline at end of file
+package cn.iocoder.yudao.module.infra.service.demo.demo03.normal;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.normal.vo.Demo03StudentNormalPageReqVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.normal.vo.Demo03StudentNormalSaveReqVO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03CourseDO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03StudentDO;
+import jakarta.validation.Valid;
+
+import java.util.List;
+
+/**
+ * 学生 Service 接口
+ *
+ * @author 芋道源码
+ */
+public interface Demo03StudentNormalService {
+
+    /**
+     * 创建学生
+     *
+     * @param createReqVO 创建信息
+     * @return 编号
+     */
+    Long createDemo03Student(@Valid Demo03StudentNormalSaveReqVO createReqVO);
+
+    /**
+     * 更新学生
+     *
+     * @param updateReqVO 更新信息
+     */
+    void updateDemo03Student(@Valid Demo03StudentNormalSaveReqVO updateReqVO);
+
+    /**
+     * 删除学生
+     *
+     * @param id 编号
+     */
+    void deleteDemo03Student(Long id);
+
+    /**
+     * 批量删除学生
+     *
+     * @param ids 编号
+     */
+    void deleteDemo03StudentByIds(List<Long> ids);
+
+    /**
+     * 获得学生
+     *
+     * @param id 编号
+     * @return 学生
+     */
+    Demo03StudentDO getDemo03Student(Long id);
+
+    /**
+     * 获得学生分页
+     *
+     * @param pageReqVO 分页查询
+     * @return 学生分页
+     */
+    PageResult<Demo03StudentDO> getDemo03StudentPage(Demo03StudentNormalPageReqVO pageReqVO);
+
+    // ==================== 子表（学生课程） ====================
+
+    /**
+     * 获得学生课程列表
+     *
+     * @param studentId 学生编号
+     * @return 学生课程列表
+     */
+    List<Demo03CourseDO> getDemo03CourseListByStudentId(Long studentId);
+
+    // ==================== 子表（学生班级） ====================
+
+    /**
+     * 获得学生班级
+     *
+     * @param studentId 学生编号
+     * @return 学生班级
+     */
+    Demo03GradeDO getDemo03GradeByStudentId(Long studentId);
+
+}
 \ No newline at end of file
+package cn.iocoder.yudao.module.infra.service.demo.demo03.normal;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.util.ObjectUtil;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.normal.vo.Demo03StudentNormalPageReqVO;
+import cn.iocoder.yudao.module.infra.controller.admin.demo.demo03.normal.vo.Demo03StudentNormalSaveReqVO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03CourseDO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
+import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03StudentDO;
+import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.normal.Demo03CourseNormalMapper;
+import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.normal.Demo03GradeNormalMapper;
+import cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.normal.Demo03StudentNormalMapper;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.validation.annotation.Validated;
+
+import java.util.List;
+
+import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertList;
+import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.diffList;
+import static cn.iocoder.yudao.module.infra.enums.ErrorCodeConstants.DEMO03_STUDENT_NOT_EXISTS;
+
+/**
+ * 学生 Service 实现类
+ *
+ * @author 芋道源码
+ */
+@Service
+@Validated
+public class Demo03StudentNormalServiceImpl implements Demo03StudentNormalService {
+
+    @Resource
+    private Demo03StudentNormalMapper demo03StudentNormalMapper;
+    @Resource
+    private Demo03CourseNormalMapper demo03CourseNormalMapper;
+    @Resource
+    private Demo03GradeNormalMapper demo03GradeNormalMapper;
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Long createDemo03Student(Demo03StudentNormalSaveReqVO createReqVO) {
+        // 插入
+        Demo03StudentDO demo03Student = BeanUtils.toBean(createReqVO, Demo03StudentDO.class);
+        demo03StudentNormalMapper.insert(demo03Student);
+
+        // 插入子表
+        createDemo03CourseList(demo03Student.getId(), createReqVO.getDemo03Courses());
+        createDemo03Grade(demo03Student.getId(), createReqVO.getDemo03Grade());
+        // 返回
+        return demo03Student.getId();
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void updateDemo03Student(Demo03StudentNormalSaveReqVO updateReqVO) {
+        // 校验存在
+        validateDemo03StudentExists(updateReqVO.getId());
+        // 更新
+        Demo03StudentDO updateObj = BeanUtils.toBean(updateReqVO, Demo03StudentDO.class);
+        demo03StudentNormalMapper.updateById(updateObj);
+
+        // 更新子表
+        updateDemo03CourseList(updateReqVO.getId(), updateReqVO.getDemo03Courses());
+        updateDemo03Grade(updateReqVO.getId(), updateReqVO.getDemo03Grade());
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void deleteDemo03Student(Long id) {
+        // 校验存在
+        validateDemo03StudentExists(id);
+        // 删除
+        demo03StudentNormalMapper.deleteById(id);
+
+        // 删除子表
+        deleteDemo03CourseByStudentId(id);
+        deleteDemo03GradeByStudentId(id);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void deleteDemo03StudentByIds(List<Long> ids) {
+        // 校验存在
+        validateDemo03StudentExists(ids);
+        // 删除
+        demo03StudentNormalMapper.deleteByIds(ids);
+
+        // 删除子表
+        deleteDemo03CourseByStudentIds(ids);
+        deleteDemo03GradeByStudentIds(ids);
+    }
+
+    private void validateDemo03StudentExists(List<Long> ids) {
+        List<Demo03StudentDO> list = demo03StudentNormalMapper.selectByIds(ids);
+        if (CollUtil.isEmpty(list) || list.size() != ids.size()) {
+            throw exception(DEMO03_STUDENT_NOT_EXISTS);
+        }
+    }
+
+    private void validateDemo03StudentExists(Long id) {
+        if (demo03StudentNormalMapper.selectById(id) == null) {
+            throw exception(DEMO03_STUDENT_NOT_EXISTS);
+        }
+    }
+
+    @Override
+    public Demo03StudentDO getDemo03Student(Long id) {
+        return demo03StudentNormalMapper.selectById(id);
+    }
+
+    @Override
+    public PageResult<Demo03StudentDO> getDemo03StudentPage(Demo03StudentNormalPageReqVO pageReqVO) {
+        return demo03StudentNormalMapper.selectPage(pageReqVO);
+    }
+
+    // ==================== 子表（学生课程） ====================
+
+    @Override
+    public List<Demo03CourseDO> getDemo03CourseListByStudentId(Long studentId) {
+        return demo03CourseNormalMapper.selectListByStudentId(studentId);
+    }
+
+    private void createDemo03CourseList(Long studentId, List<Demo03CourseDO> list) {
+        list.forEach(o -> o.setStudentId(studentId));
+        demo03CourseNormalMapper.insertBatch(list);
+    }
+
+    private void updateDemo03CourseList(Long studentId, List<Demo03CourseDO> list) {
+        list.forEach(o -> o.setStudentId(studentId));
+        List<Demo03CourseDO> oldList = demo03CourseNormalMapper.selectListByStudentId(studentId);
+        List<List<Demo03CourseDO>> diffList = diffList(oldList, list, (oldVal, newVal) -> {
+            boolean same = ObjectUtil.equal(oldVal.getId(), newVal.getId());
+            if (same) {
+                newVal.setId(oldVal.getId()).setUpdater(null).setUpdateTime(null); // 解决更新情况下：updateTime 不更新
+            }
+            return same;
+        });
+
+        // 第二步，批量添加、修改、删除
+        if (CollUtil.isNotEmpty(diffList.get(0))) {
+            demo03CourseNormalMapper.insertBatch(diffList.get(0));
+        }
+        if (CollUtil.isNotEmpty(diffList.get(1))) {
+            demo03CourseNormalMapper.updateBatch(diffList.get(1));
+        }
+        if (CollUtil.isNotEmpty(diffList.get(2))) {
+            demo03CourseNormalMapper.deleteByIds(convertList(diffList.get(2), Demo03CourseDO::getId));
+        }
+    }
+
+    private void deleteDemo03CourseByStudentId(Long studentId) {
+        demo03CourseNormalMapper.deleteByStudentId(studentId);
+    }
+
+    private void deleteDemo03CourseByStudentIds(List<Long> studentIds) {
+        demo03CourseNormalMapper.deleteByStudentIds(studentIds);
+    }
+
+    // ==================== 子表（学生班级） ====================
+
+    @Override
+    public Demo03GradeDO getDemo03GradeByStudentId(Long studentId) {
+        return demo03GradeNormalMapper.selectByStudentId(studentId);
+    }
+
+    private void createDemo03Grade(Long studentId, Demo03GradeDO demo03Grade) {
+        if (demo03Grade == null) {
+            return;
+        }
+        demo03Grade.setStudentId(studentId);
+        demo03GradeNormalMapper.insert(demo03Grade);
+    }
+
+    private void updateDemo03Grade(Long studentId, Demo03GradeDO demo03Grade) {
+        if (demo03Grade == null) {
+            return;
+        }
+        demo03Grade.setStudentId(studentId);
+        demo03Grade.setUpdater(null).setUpdateTime(null); // 解决更新情况下：updateTime 不更新
+        demo03GradeNormalMapper.insertOrUpdate(demo03Grade);
+    }
+
+    private void deleteDemo03GradeByStudentId(Long studentId) {
+        demo03GradeNormalMapper.deleteByStudentId(studentId);
+    }
+
+    private void deleteDemo03GradeByStudentIds(List<Long> studentIds) {
+        demo03GradeNormalMapper.deleteByStudentIds(studentIds);
+    }
+
+}
 \ No newline at end of file
+package cn.iocoder.yudao.module.infra.service.demo.demo03;
 \ No newline at end of file
@@ -74,6 +74,19 @@ public class ${sceneEnum.prefixClass}${table.className}Controller {
         return success(true);
     }
+#if ( $table.templateType != 2 && $deleteBatchEnable)
+    @DeleteMapping("/delete-batch")
+    @Parameter(name = "ids", description = "编号", required = true)
+    @Operation(summary = "批量删除${table.classComment}")
+    #if ($sceneEnum.scene == 1)
+                @PreAuthorize("@ss.hasPermission('${permissionPrefix}:delete')")
+    #end
+    public CommonResult<Boolean> delete${simpleClassName}(@RequestParam("ids") List<${primaryColumn.javaType}> ids) {
+        ${classNameVar}Service.delete${simpleClassName}ByIds(ids);
+        return success(true);
+    }
+#end
+
     @GetMapping("/get")
     @Operation(summary = "获得${table.classComment}")
     @Parameter(name = "id", description = "编号", required = true, example = "1024")
@@ -230,6 +243,19 @@ public class ${sceneEnum.prefixClass}${table.className}Controller {
         return success(true);
     }
+#if ($deleteBatchEnable)
+    @DeleteMapping("/${subSimpleClassName_strikeCase}/delete-batch")
+    @Parameter(name = "ids", description = "编号", required = true)
+    @Operation(summary = "批量删除${subTable.classComment}")
+#if ($sceneEnum.scene == 1)
+    @PreAuthorize("@ss.hasPermission('${permissionPrefix}:delete')")
+#end
+    public CommonResult<Boolean> delete${subSimpleClassName}(@RequestParam("ids") List<${subPrimaryColumn.javaType}> ids) {
+        ${classNameVar}Service.delete${subSimpleClassName}ByIds(ids);
+        return success(true);
+    }
+#end
+
 	@GetMapping("/${subSimpleClassName_strikeCase}/get")
 	@Operation(summary = "获得${subTable.classComment}")
 	@Parameter(name = "id", description = "编号", required = true)
@@ -78,4 +78,19 @@ public class ${table.className}DO extends BaseDO {
 #end
 #end
+## 特殊：主子表专属逻辑（非 ERP 模式）
+#if ( $voType == 20 && $subTables && $subTables.size() > 0 && $table.templateType != 11 )
+    #foreach ($subTable in $subTables)
+        #set ($index = $foreach.count - 1)
+        #if ( $subTable.subJoinMany)
+    @Schema(description = "${subTable.classComment}列表")
+    private List<${subTable.className}DO> ${subClassNameVars.get($index)}s;
+
+        #else
+    @Schema(description = "${subTable.classComment}")
+    private ${subTable.className}DO ${subClassNameVars.get($index)};
+        #end
+    #end
+#end
+
 }
 \ No newline at end of file
@@ -54,4 +54,10 @@ public interface ${subTable.className}Mapper extends BaseMapperX&lt;${subTable.clas
         return delete(${subTable.className}DO::get${SubJoinColumnName}, ${subJoinColumn.javaField});
     }
+#if ( $table.templateType != 2 && $deleteBatchEnable)
+	default int deleteBy${SubJoinColumnName}s(List<${subJoinColumn.javaType}> ${subJoinColumn.javaField}s) {
+	    return delete(${subTable.className}DO::get${SubJoinColumnName}, ${subJoinColumn.javaField}s);
+	}
+#end
+
 }
@@ -40,6 +40,15 @@ public interface ${table.className}Service {
      */
     void delete${simpleClassName}(${primaryColumn.javaType} id);
+#if ( $table.templateType != 2 && $deleteBatchEnable)
+    /**
+    * 批量删除${table.classComment}
+    *
+    * @param ids 编号
+    */
+    void delete${simpleClassName}ByIds(List<${primaryColumn.javaType}> ids);
+#end
+
     /**
      * 获得${table.classComment}
      *
@@ -134,6 +143,15 @@ public interface ${table.className}Service {
      */
     void delete${subSimpleClassName}(${subPrimaryColumn.javaType} id);
+#if ($deleteBatchEnable)
+    /**
+    * 批量删除${subTable.classComment}
+    *
+    * @param ids 编号
+    */
+    void delete${subSimpleClassName}ByIds(List<${subPrimaryColumn.javaType}> ids);
+#end
+
 	/**
 	 * 获得${subTable.classComment}
 	 *
 package ${basePackage}.module.${table.moduleName}.service.${table.businessName};
+import cn.hutool.core.collection.CollUtil;
 import org.springframework.stereotype.Service;
 import ${jakartaPackage}.annotation.Resource;
 import org.springframework.validation.annotation.Validated;
@@ -24,6 +25,8 @@ import ${basePackage}.module.${subTable.moduleName}.dal.mysql.${subTable.busines
 #end
 import static ${ServiceExceptionUtilClassName}.exception;
+import static ${CollectionUtilsClassName}.convertList;
+import static ${CollectionUtilsClassName}.diffList;
 import static ${basePackage}.module.${table.moduleName}.enums.ErrorCodeConstants.*;
 /**
@@ -55,9 +58,9 @@ public class ${table.className}ServiceImpl implements ${table.className}Service 
 #set ($TreeParentJavaField = $treeParentColumn.javaField.substring(0,1).toUpperCase() + ${treeParentColumn.javaField.substring(1)})##首字母大写
 #set ($TreeNameJavaField = $treeNameColumn.javaField.substring(0,1).toUpperCase() + ${treeNameColumn.javaField.substring(1)})##首字母大写
         // 校验${treeParentColumn.columnComment}的有效性
-        validateParent${simpleClassName}(null, ${createReqVOVar}.get${TreeParentJavaField}());
+        validateParent${simpleClassName}(null, ${saveReqVOVar}.get${TreeParentJavaField}());
         // 校验${treeNameColumn.columnComment}的唯一性
-        validate${simpleClassName}${TreeNameJavaField}Unique(null, ${createReqVOVar}.get${TreeParentJavaField}(), ${createReqVOVar}.get${TreeNameJavaField}());
+        validate${simpleClassName}${TreeNameJavaField}Unique(null, ${saveReqVOVar}.get${TreeParentJavaField}(), ${saveReqVOVar}.get${TreeNameJavaField}());
 #end
         // 插入
@@ -75,9 +78,9 @@ public class ${table.className}ServiceImpl implements ${table.className}Service 
 #set ($subJoinColumn = $subJoinColumns.get($index))##当前 join 字段
 #set ($SubJoinColumnName = $subJoinColumn.javaField.substring(0,1).toUpperCase() + ${subJoinColumn.javaField.substring(1)})##首字母大写
     #if ( $subTable.subJoinMany)
-        create${subSimpleClassName}List(${classNameVar}.getId(), ${createReqVOVar}.get${subSimpleClassNames.get($index)}s());
+        create${subSimpleClassName}List(${classNameVar}.getId(), ${saveReqVOVar}.get${subSimpleClassNames.get($index)}s());
     #else
-        create${subSimpleClassName}(${classNameVar}.getId(), ${createReqVOVar}.get${subSimpleClassNames.get($index)}());
+        create${subSimpleClassName}(${classNameVar}.getId(), ${saveReqVOVar}.get${subSimpleClassNames.get($index)}());
     #end
 #end
 #end
@@ -160,6 +163,39 @@ public class ${table.className}ServiceImpl implements ${table.className}Service 
 #end
     }
+#if ( $table.templateType != 2 && $deleteBatchEnable)
+    @Override
+    ## 特殊：主子表专属逻辑
+    #if ( $subTables && $subTables.size() > 0)
+    @Transactional(rollbackFor = Exception.class)
+    #end
+    public void delete${simpleClassName}ByIds(List<${primaryColumn.javaType}> ids) {
+        // 校验存在
+        validate${simpleClassName}Exists(ids);
+        // 删除
+        ${classNameVar}Mapper.deleteByIds(ids);
+    ## 特殊：主子表专属逻辑
+    #if ( $subTables && $subTables.size() > 0)
+
+    // 删除子表
+        #foreach ($subTable in $subTables)
+            #set ($index = $foreach.count - 1)
+            #set ($subSimpleClassName = $subSimpleClassNames.get($index))
+            #set ($subJoinColumn = $subJoinColumns.get($index))##当前 join 字段
+            #set ($SubJoinColumnName = $subJoinColumn.javaField.substring(0,1).toUpperCase() + ${subJoinColumn.javaField.substring(1)})##首字母大写
+            delete${subSimpleClassName}By${SubJoinColumnName}s(ids);
+        #end
+    #end
+    }
+
+    private void validate${simpleClassName}Exists(List<${primaryColumn.javaType}> ids) {
+        List<${table.className}DO> list = ${classNameVar}Mapper.selectByIds(ids);
+        if (CollUtil.isEmpty(list) || list.size() != ids.size()) {
+            throw exception(${simpleClassName_underlineCase.toUpperCase()}_NOT_EXISTS);
+        }
+    }
+#end
+
     private void validate${simpleClassName}Exists(${primaryColumn.javaType} id) {
         if (${classNameVar}Mapper.selectById(id) == null) {
             throw exception(${simpleClassName_underlineCase.toUpperCase()}_NOT_EXISTS);
@@ -304,6 +340,16 @@ public class ${table.className}ServiceImpl implements ${table.className}Service 
         ${subClassNameVars.get($index)}Mapper.deleteById(id);
     }
+#if ($deleteBatchEnable)
+	@Override
+	public void delete${subSimpleClassName}ByIds(List<${subPrimaryColumn.javaType}> ids) {
+        // 校验存在
+        validate${subSimpleClassName}Exists(ids);
+        // 删除
+        ${subClassNameVars.get($index)}Mapper.deleteByIds(ids);
+	}
+#end
+
     @Override
     public ${subTable.className}DO get${subSimpleClassName}(${subPrimaryColumn.javaType} id) {
         return ${subClassNameVars.get($index)}Mapper.selectById(id);
@@ -315,18 +361,44 @@ public class ${table.className}ServiceImpl implements ${table.className}Service 
         }
     }
+#if ($deleteBatchEnable)
+	private void validate${subSimpleClassName}Exists(List<${subPrimaryColumn.javaType}> ids) {
+        List<${subTable.className}DO> list = ${subClassNameVar}Mapper.selectByIds(ids);
+        if (CollUtil.isEmpty(list) || list.size() != ids.size()) {
+            throw exception(${simpleClassNameUnderlineCase.toUpperCase()}_NOT_EXISTS);
+        }
+	}
+#end
+
 ## 情况二：非 MASTER_ERP 时，支持批量的新增、修改操作
 #else
     #if ( $subTable.subJoinMany)
     private void create${subSimpleClassName}List(${primaryColumn.javaType} ${subJoinColumn.javaField}, List<${subTable.className}DO> list) {
-        list.forEach(o -> o.set$SubJoinColumnName(${subJoinColumn.javaField}));
+        list.forEach(o -> o.set${SubJoinColumnName}(${subJoinColumn.javaField}));
         ${subClassNameVars.get($index)}Mapper.insertBatch(list);
     }
     private void update${subSimpleClassName}List(${primaryColumn.javaType} ${subJoinColumn.javaField}, List<${subTable.className}DO> list) {
-        delete${subSimpleClassName}By${SubJoinColumnName}(${subJoinColumn.javaField});
-		list.forEach(o -> o.setId(null).setUpdater(null).setUpdateTime(null)); // 解决更新情况下：1）id 冲突；2）updateTime 不更新
-        create${subSimpleClassName}List(${subJoinColumn.javaField}, list);
+	    list.forEach(o -> o.set${SubJoinColumnName}(${subJoinColumn.javaField}));
+	    List<${subTable.className}DO> oldList = ${subClassNameVar}Mapper.selectListBy${SubJoinColumnName}(${subJoinColumn.javaField});
+	    List<List<${subTable.className}DO>> diffList = diffList(oldList, list, (oldVal, newVal) -> {
+            boolean same = ObjectUtil.equal(oldVal.getId(), newVal.getId());
+            if (same) {
+                newVal.setId(oldVal.getId()).setUpdater(null).setUpdateTime(null); // 解决更新情况下：updateTime 不更新
+            }
+            return same;
+	    });
+
+	    // 第二步，批量添加、修改、删除
+	    if (CollUtil.isNotEmpty(diffList.get(0))) {
+	        ${subClassNameVar}Mapper.insertBatch(diffList.get(0));
+	    }
+	    if (CollUtil.isNotEmpty(diffList.get(1))) {
+	        ${subClassNameVar}Mapper.updateBatch(diffList.get(1));
+	    }
+	    if (CollUtil.isNotEmpty(diffList.get(2))) {
+	        ${subClassNameVar}Mapper.deleteByIds(convertList(diffList.get(2), ${subTable.className}DO::getId));
+	    }
     }
     #else
@@ -353,5 +425,11 @@ public class ${table.className}ServiceImpl implements ${table.className}Service 
         ${subClassNameVars.get($index)}Mapper.deleteBy${SubJoinColumnName}(${subJoinColumn.javaField});
     }
+#if ( $table.templateType != 2 && $deleteBatchEnable)
+	private void delete${subSimpleClassName}By${SubJoinColumnName}s(List<${primaryColumn.javaType}> ${subJoinColumn.javaField}s) {
+        ${subClassNameVars.get($index)}Mapper.deleteBy${SubJoinColumnName}s(${subJoinColumn.javaField}s);
+	}
+#end
+
 #end
 }
 \ No newline at end of file
@@ -89,6 +89,13 @@ export function delete${simpleClassName}(id: number) {
   return requestClient.delete(`${baseURL}/delete?id=${id}`);
 }
+#if ( $table.templateType != 2 && $deleteBatchEnable)
+// 批量删除${table.classComment}
+export function delete${simpleClassName}ByIds(ids: number[]) {
+  return requestClient.delete(`${baseURL}/delete-batch?ids=${ids.join(',')}`)
+}
+#end
+
 /** 导出${table.classComment} */
 export function export${simpleClassName}(params: any) {
   return requestClient.download('${baseURL}/export-excel', params);
@@ -144,6 +151,13 @@ export function delete${subSimpleClassName}(id: number) {
   return requestClient.delete(`${baseURL}/${subSimpleClassName_strikeCase}/delete?id=${id}`);
 }
+#if ($deleteBatchEnable)
+// 批量删除${subTable.classComment}
+export function delete${subSimpleClassName}ByIds(ids: number[]) {
+  return requestClient.delete(`${baseURL}/${subSimpleClassName_strikeCase}/delete-batch?ids=${ids.join(',')}`)
+}
+#end
+
 /** 获得${subTable.classComment} */
 export function get${subSimpleClassName}(id: number) {
   return requestClient.get<${simpleClassName}Api.${subSimpleClassName}>(`${baseURL}/${subSimpleClassName_strikeCase}/get?id=${id}`);
@@ -3,9 +3,11 @@ import type { OnActionClickFn, VxeTableGridOptions } from &#39;#/adapter/vxe-table&#39;;
 import type { ${simpleClassName}Api } from '#/api/${table.moduleName}/${table.businessName}';
 import { z } from '#/adapter/form';
-import { getRangePickerDefaultProps } from '#/utils/date';
-import { DICT_TYPE, getDictOptions } from '#/utils/dict';
-
+import {
+    DICT_TYPE,
+    getDictOptions,
+    getRangePickerDefaultProps,
+} from '#/utils';
 #if(${table.templateType} == 2)## 树表需要导入这些
 import { get${simpleClassName}List } from '#/api/${table.moduleName}/${table.businessName}';
 import { handleTree } from '@vben/utils';
@@ -191,6 +193,9 @@ export function useGridColumns(
   onActionClick?: OnActionClickFn<${simpleClassName}Api.${simpleClassName}>,
 ): VxeTableGridOptions<${simpleClassName}Api.${simpleClassName}>['columns'] {
   return [
+#if ($table.templateType != 2 && $deleteBatchEnable)
+  { type: 'checkbox', width: 40 },
+#end
 #if ($table.templateType == 12) ## 内嵌情况
       { type: 'expand', width: 80, slots: { content: 'expand_content' } },
 #end
@@ -426,6 +431,9 @@ export function use${subSimpleClassName}GridColumns(
     onActionClick?: OnActionClickFn<${simpleClassName}Api.${subSimpleClassName}>,
 ): VxeTableGridOptions<${simpleClassName}Api.${subSimpleClassName}>['columns'] {
     return [
+        #if ($table.templateType != 2 && $deleteBatchEnable)
+            { type: 'checkbox', width: 40 },
+        #end
         #foreach($column in $subColumns)
             #if ($column.listOperationResult)
                 #set ($dictType = $column.dictType)
@@ -4,7 +4,7 @@ import type { ${simpleClassName}Api } from &#39;#/api/${table.moduleName}/${table.bu
 import { Page, useVbenModal } from '@vben/common-ui';
 import { Button, message,Tabs } from 'ant-design-vue';
-import { Download, Plus } from '@vben/icons';
+import { Download, Plus, Trash2 } from '@vben/icons';
 import Form from './modules/form.vue';
 ## 特殊：主子表专属逻辑
@@ -16,15 +16,15 @@ import Form from &#39;./modules/form.vue&#39;;
     #end
 #end
-import { ref, h } from 'vue';
+import { ref, h, computed } from 'vue';
 import { $t } from '#/locales';
 import { useVbenVxeGrid } from '#/adapter/vxe-table';
 #if (${table.templateType} == 2)## 树表接口
 import { get${simpleClassName}List, delete${simpleClassName}, export${simpleClassName} } from '#/api/${table.moduleName}/${table.businessName}';
 #else## 标准表接口
-import { get${simpleClassName}Page, delete${simpleClassName}, export${simpleClassName} } from '#/api/${table.moduleName}/${table.businessName}';
+import { get${simpleClassName}Page, delete${simpleClassName},#if ($deleteBatchEnable) delete${simpleClassName}ByIds,#end export${simpleClassName} } from '#/api/${table.moduleName}/${table.businessName}';
 #end
-import { downloadFileFromBlobPart } from '@vben/utils';
+import { downloadFileFromBlobPart, isEmpty } from '@vben/utils';
 import { useGridColumns, useGridFormSchema } from './data';
@@ -87,11 +87,38 @@ async function onDelete(row: ${simpleClassName}Api.${simpleClassName}) {
     await delete${simpleClassName}(row.id as number);
     message.success( $t('ui.actionMessage.deleteSuccess', [row.id]) );
     onRefresh();
-  } catch {
+  } finally {
     hideLoading();
   }
 }
+#if ($table.templateType != 2 && $deleteBatchEnable)
+const deleteIds = ref<number[]>([]) // 待删除${table.classComment} ID
+const showDeleteBatchBtn = computed(() => isEmpty(deleteIds.value));
+function setDeleteIds({
+  records,
+}: {
+  records: ${simpleClassName}Api.${simpleClassName}[];
+}) {
+  deleteIds.value = records.map((item) => item.id);
+}
+/** 批量删除${table.classComment} */
+async function onDeleteBatch() {
+  const hideLoading = message.loading({
+    content: $t('ui.actionMessage.deleting'),
+    duration: 0,
+    key: 'action_process_msg',
+  });
+  try {
+    await delete${simpleClassName}ByIds(deleteIds.value);
+    message.success( $t('ui.actionMessage.deleteSuccess') );
+    onRefresh();
+  } finally {
+    hideLoading();
+  }
+}
+#end
+
 /** 导出表格 */
 async function onExport() {
   const data = await export${simpleClassName}(await gridApi.formApi.getValues());
@@ -177,11 +204,17 @@ const [Grid, gridApi] = useVbenVxeGrid({
       search: true,
     },
   } as VxeTableGridOptions<${simpleClassName}Api.${simpleClassName}>,
-#if (${table.templateType} == 11)
+#if (${table.templateType} == 11 || $deleteBatchEnable)
   gridEvents:{
+    #if(${table.templateType} == 11)
     cellClick: ({ row }: { row: ${simpleClassName}Api.${simpleClassName}}) => {
       select${simpleClassName}.value = row;
     },
+    #end
+    #if($deleteBatchEnable)
+      checkboxAll: setDeleteIds,
+      checkboxChange: setDeleteIds,
+    #end
   }
 #end
 });
@@ -229,6 +262,19 @@ const [Grid, gridApi] = useVbenVxeGrid({
         >
           {{ $t('ui.actionTitle.export') }}
         </Button>
+#if ($table.templateType != 2 && $deleteBatchEnable)
+        <Button
+            :icon="h(Trash2)"
+            type="primary"
+            danger
+            class="ml-2"
+            :disabled="showDeleteBatchBtn"
+            @click="onDeleteBatch"
+            v-access:code="['${table.moduleName}:${simpleClassName_strikeCase}:delete']"
+        >
+          批量删除
+        </Button>
+#end
       </template>
     </Grid>
@@ -14,15 +14,16 @@
 #end
   import { useVbenModal } from '@vben/common-ui';
   import { Button, message } from 'ant-design-vue';
-  import { Plus } from '@vben/icons';
-  import { #if($table.templateType != 11)ref,#end h, nextTick,watch } from 'vue';
+  import { Plus, Trash2 } from '@vben/icons';
+  import { ref, computed, h, nextTick,watch } from 'vue';
   import { $t } from '#/locales';
   import { useVbenVxeGrid } from '#/adapter/vxe-table';
 #if ($table.templateType == 11) ## erp
-  import { delete${subSimpleClassName}, get${subSimpleClassName}Page } from '#/api/${table.moduleName}/${table.businessName}';
+  import { delete${subSimpleClassName},#if ($deleteBatchEnable) delete${subSimpleClassName}ByIds,#end get${subSimpleClassName}Page } from '#/api/${table.moduleName}/${table.businessName}';
   import { use${subSimpleClassName}GridFormSchema, use${subSimpleClassName}GridColumns } from '../data';
+  import { isEmpty } from '@vben/utils';
   #else
   #if ($subTable.subJoinMany) ## 一对多
   import { get${subSimpleClassName}ListBy${SubJoinColumnName} } from '#/api/${table.moduleName}/${table.businessName}';
@@ -67,11 +68,38 @@ async function onDelete(row: ${simpleClassName}Api.${subSimpleClassName}) {
     await delete${subSimpleClassName}(row.id as number);
     message.success( $t('ui.actionMessage.deleteSuccess', [row.id]) );
     onRefresh();
-  } catch {
+  } finally {
     hideLoading();
   }
 }
+#if ($deleteBatchEnable)
+const deleteIds = ref<number[]>([]) // 待删除${subTable.classComment} ID
+const showDeleteBatchBtn = computed(() => isEmpty(deleteIds.value));
+function setDeleteIds({
+  records,
+}: {
+  records: ${simpleClassName}Api.${subSimpleClassName}[];
+}) {
+  deleteIds.value = records.map((item) => item.id);
+}
+/** 批量删除${subTable.classComment} */
+async function onDeleteBatch() {
+  const hideLoading = message.loading({
+    content: $t('ui.actionMessage.deleting'),
+    duration: 0,
+    key: 'action_process_msg',
+  });
+  try {
+    await delete${subSimpleClassName}ByIds(deleteIds.value);
+    message.success( $t('ui.actionMessage.deleteSuccess') );
+    onRefresh();
+  } finally {
+    hideLoading();
+  }
+}
+#end
+
 /** 表格操作按钮的回调函数 */
 function onActionClick({
  code,
@@ -136,6 +164,12 @@ function onActionClick({
         isHover: true,
     },
     } as VxeTableGridOptions<${simpleClassName}Api.${subSimpleClassName}>,
+    #if (${table.templateType} == 11 && $deleteBatchEnable)
+    gridEvents:{
+      checkboxAll: setDeleteIds,
+      checkboxChange: setDeleteIds,
+    }
+    #end
   });
 /** 刷新表格 */
@@ -173,6 +207,19 @@ const onRefresh = async ()=&gt; {
           <Button :icon="h(Plus)" type="primary" @click="onCreate" v-access:code="['${table.moduleName}:${simpleClassName_strikeCase}:create']">
             {{ $t('ui.actionTitle.create', ['${subTable.classComment}']) }}
           </Button>
+            #if ($table.templateType == 11 && $deleteBatchEnable)
+              <Button
+                  :icon="h(Trash2)"
+                  type="primary"
+                  danger
+                  class="ml-2"
+                  :disabled="showDeleteBatchBtn"
+                  @click="onDeleteBatch"
+                  v-access:code="['${table.moduleName}:${simpleClassName_strikeCase}:delete']"
+              >
+                批量删除
+              </Button>
+            #end
         </template>
       </Grid>
     #else
@@ -271,6 +271,7 @@ yudao:
     front-type: 20 # 前端模版的类型，参见 CodegenFrontTypeEnum 枚举类
     vo-type: 10 # VO 的类型，参见 CodegenVOTypeEnum 枚举类
     unit-test-enable: false # 是否生成单元测试
+    delete-batch-enable: false # 是否生成批量删除接口
   tenant: # 多租户相关配置项
     enable: true
     ignore-urls: