From 0896593146e8896359081f749484bf86901ac260 Mon Sep 17 00:00:00 2001
From: gnomeshgh <18153063927@163.com>
Date: Fri, 3 Jul 2026 23:10:08 +0800
Subject: [PATCH] feat(bpm)：新增流程模型操作导出模型json接口

---
 yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/definition/BpmModelController.java |  8 ++++++++
 yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/convert/definition/BpmModelConvert.java             | 12 ++++++++++++
 yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmModelService.java             |  8 ++++++++
 yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmModelServiceImpl.java         |  6 ++++++
 4 files changed, 34 insertions(+), 0 deletions(-)

diff --git a/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/definition/BpmModelController.java b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/definition/BpmModelController.java
index bdc84f1..f6c71c7 100644
--- a/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/definition/BpmModelController.java
+++ b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/controller/admin/definition/BpmModelController.java
@@ -117,6 +117,14 @@ public class BpmModelController {
         return success(BpmModelConvert.INSTANCE.buildModel(model, bpmnBytes, simpleModel));
     }
 
+    @GetMapping("/export")
+    @Operation(summary = "导出模型")
+    @Parameter(name = "id", description = "编号", required = true, example = "1024")
+    @PreAuthorize("@ss.hasPermission('bpm:model:export')")
+    public CommonResult<BpmModelSaveReqVO> exportModel(@RequestParam("id") String id) {
+        return success(modelService.exportModel(id));
+    }
+
     @PostMapping("/create")
     @Operation(summary = "新建模型")
     @PreAuthorize("@ss.hasPermission('bpm:model:create')")
diff --git a/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/convert/definition/BpmModelConvert.java b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/convert/definition/BpmModelConvert.java
index 2101b22..68d62a0 100644
--- a/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/convert/definition/BpmModelConvert.java
+++ b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/convert/definition/BpmModelConvert.java
@@ -111,6 +111,18 @@ public interface BpmModelConvert {
         model.setMetaInfo(JsonUtils.toJsonString(BeanUtils.toBean(reqVO, BpmModelMetaInfoVO.class)));
     }
 
+    default BpmModelSaveReqVO convertToSaveReqVO(Model model) {
+        BpmModelMetaInfoVO metaInfo = parseMetaInfo(model);
+        BpmModelSaveReqVO reqVO = new BpmModelSaveReqVO();
+        reqVO.setKey(model.getKey());
+        reqVO.setName(model.getName());
+        reqVO.setCategory(model.getCategory());
+        if (metaInfo != null) {
+            BeanUtils.copyProperties(metaInfo, reqVO);
+        }
+        return reqVO;
+    }
+
     default BpmModelMetaInfoVO parseMetaInfo(Model model) {
         BpmModelMetaInfoVO vo = JsonUtils.parseObject(model.getMetaInfo(), BpmModelMetaInfoVO.class);
         if (vo == null) {
diff --git a/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmModelService.java b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmModelService.java
index c0f2672..9325493 100644
--- a/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmModelService.java
+++ b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmModelService.java
@@ -49,6 +49,14 @@ public interface BpmModelService {
     String importModel(@Valid BpmModelSaveReqVO reqVO);
 
     /**
+     * 导出流程模型
+     *
+     * @param id 编号
+     * @return 导出的流程模型
+     */
+    BpmModelSaveReqVO exportModel(String id);
+
+    /**
      * 获得流程模块
      *
      * @param id 编号
diff --git a/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmModelServiceImpl.java b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmModelServiceImpl.java
index aa00057..2d81cee 100644
--- a/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmModelServiceImpl.java
+++ b/yudao-module-bpm/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmModelServiceImpl.java
@@ -143,6 +143,12 @@ public class BpmModelServiceImpl implements BpmModelService {
     }
 
     @Override
+    public BpmModelSaveReqVO exportModel(String id) {
+        Model model = validateModelExists(id);
+        return BpmModelConvert.INSTANCE.convertToSaveReqVO(model);
+    }
+
+    @Override
     @Transactional(rollbackFor = Exception.class) // 因为进行多个操作，所以开启事务
     public void updateModel(Long userId, BpmModelSaveReqVO updateReqVO) {
         // 1. 校验流程模型存在
--
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