From 475e932aecd335154614016ce0637f04d3f81994 Mon Sep 17 00:00:00 2001 From: YunaiV Date: Fri, 29 Dec 2023 21:45:43 +0800 Subject: [PATCH] 🐛 导出 Excel:Long 类型 ID 会丢失精度 --- yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/util/ExcelUtils.java | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/util/ExcelUtils.java b/yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/util/ExcelUtils.java index 1bdeabc..c210469 100644 --- a/yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/util/ExcelUtils.java +++ b/yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/util/ExcelUtils.java @@ -1,12 +1,14 @@ package cn.iocoder.yudao.framework.excel.core.util; import com.alibaba.excel.EasyExcel; +import com.alibaba.excel.converters.longconverter.LongStringConverter; import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy; import org.springframework.web.multipart.MultipartFile; import jakarta.servlet.http.HttpServletResponse; import java.io.IOException; import java.net.URLEncoder; +import java.nio.charset.StandardCharsets; import java.util.List; /** @@ -33,9 +35,10 @@ public class ExcelUtils { EasyExcel.write(response.getOutputStream(), head) .autoCloseStream(false) // 不要自动关闭，交给 Servlet 自己处理 .registerWriteHandler(new LongestMatchColumnWidthStyleStrategy()) // 基于 column 长度，自动适配。最大 255 宽度 + .registerConverter(new LongStringConverter()) // 避免 Long 类型丢失精度 .sheet(sheetName).doWrite(data); // 设置 header 和 contentType。写在最后的原因是，避免报错时，响应 contentType 已经被修改了 - response.addHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(filename, "UTF-8")); + response.addHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(filename, StandardCharsets.UTF_8)); response.setContentType("application/vnd.ms-excel;charset=UTF-8"); } -- libgit2 0.21.4