修复ExcelUil 导出于Springboot 3.2.6 版本不兼容问题，指定poi

mms-admin/src/main/java/com/sxpcwlkj/system/controller/SysUserController.java

@@ -143,13 +143,15 @@ public class SysUserController extends BaseController {
      * 导出系统用户
      */
     @MssSafety
-    @Transactional
+    //@Transactional
     @SaCheckPermission("system:user:export")
     @PostMapping("/export")
-    public void export(SysUserBo user, PageQuery pageQuery,HttpServletResponse response) throws IOException {
+    public void export(SysUserBo user, PageQuery pageQuery, HttpServletResponse response) throws IOException {
-        List<SysUserVo> list= baseService.selectPageUserList(user, pageQuery).getRows();
+        List<SysUserVo> list = baseService.selectPageUserList(user, pageQuery).getRows();
-        List<SysUserExportVo> data= MapstructUtil.convert(list,SysUserExportVo.class);
+        List<SysUserExportVo> data = MapstructUtil.convert(list, SysUserExportVo.class);
-        ExcelUtil.export(response, SysUserExportVo.class, "系统用户",data);
+        
+        // 使用封装后的安全导出方法
+        ExcelUtil.safeExport(response, SysUserExportVo.class, "系统用户", data, pageQuery);
     }
 
     /**

mms-modules/mms-framework/pom.xml

@@ -97,6 +97,15 @@
             <groupId>com.alibaba</groupId>
             <artifactId>easyexcel</artifactId>
         </dependency>
+        <!-- 明确添加POI依赖 -->
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi-ooxml</artifactId>
+        </dependency>
         <!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
         <dependency>
             <groupId>commons-io</groupId>

mms-modules/mms-framework/src/main/java/com/sxpcwlkj/framework/utils/ExcelUtil.java

@@ -2,7 +2,9 @@ package com.sxpcwlkj.framework.utils;
 
 import com.alibaba.excel.EasyExcel;
 import com.alibaba.excel.read.listener.PageReadListener;
+import com.sxpcwlkj.datasource.entity.page.PageQuery;
 import jakarta.servlet.http.HttpServletResponse;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.io.IOException;
@@ -18,6 +20,7 @@ import java.util.Set;
  * @author mmsAdmin
  * @Doc mmsadmin.cn
  */
+@Slf4j
 public class ExcelUtil {
 
 
@@ -32,7 +35,30 @@ public class ExcelUtil {
         response.setCharacterEncoding("utf-8");
         String fileName = URLEncoder.encode("模版文件", "UTF-8");
         response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
-        EasyExcel.write(response.getOutputStream(), clazz).sheet("模板").doWrite(new ArrayList<>());
+        
+        // 设置防止浏览器缓存的响应头
+        response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
+        response.addHeader("Cache-Control", "post-check=0, pre-check=0");
+        response.setHeader("Pragma", "no-cache");
+        
+        try {
+            EasyExcel.write(response.getOutputStream(), clazz)
+                    .autoCloseStream(false)
+                    .useDefaultStyle(false)
+                    .inMemory(true)
+                    .sheet("模板")
+                    .doWrite(new ArrayList<>());
+        } catch (Exception e) {
+            e.printStackTrace();
+            try {
+                response.reset();
+                response.setContentType("application/json");
+                response.setCharacterEncoding("utf-8");
+                response.getWriter().println("{\"code\":500,\"msg\":\"下载模板失败，请联系管理员\"}");
+            } catch (Exception ex) {
+                // 忽略重置响应时的异常
+            }
+        }
     }
 
     /**
@@ -47,7 +73,30 @@ public class ExcelUtil {
         response.setCharacterEncoding("utf-8");
         String fileName = URLEncoder.encode(sheetName, "UTF-8");
         response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
-        EasyExcel.write(response.getOutputStream(), clazz).sheet("模板").doWrite(new ArrayList<>());
+        
+        // 设置防止浏览器缓存的响应头
+        response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
+        response.addHeader("Cache-Control", "post-check=0, pre-check=0");
+        response.setHeader("Pragma", "no-cache");
+        
+        try {
+            EasyExcel.write(response.getOutputStream(), clazz)
+                    .autoCloseStream(false)
+                    .useDefaultStyle(false)
+                    .inMemory(true)
+                    .sheet(sheetName)
+                    .doWrite(new ArrayList<>());
+        } catch (Exception e) {
+            e.printStackTrace();
+            try {
+                response.reset();
+                response.setContentType("application/json");
+                response.setCharacterEncoding("utf-8");
+                response.getWriter().println("{\"code\":500,\"msg\":\"下载模板失败，请联系管理员\"}");
+            } catch (Exception ex) {
+                // 忽略重置响应时的异常
+            }
+        }
     }
 
     /**
@@ -62,7 +111,34 @@ public class ExcelUtil {
         response.setCharacterEncoding("utf-8");
         String fileName = URLEncoder.encode(sheetName, "UTF-8");
         response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
-        EasyExcel.write(response.getOutputStream(), clazz).sheet("模板").doWrite(list);
+        
+        // 设置防止浏览器缓存的响应头
+        response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
+        response.addHeader("Cache-Control", "post-check=0, pre-check=0");
+        response.setHeader("Pragma", "no-cache");
+        
+        try {
+            // 使用不依赖POI内部方法的配置
+            EasyExcel.write(response.getOutputStream(), clazz)
+                    .autoCloseStream(false)  // 不自动关闭流
+                    .useDefaultStyle(false)  // 不使用默认样式，避免调用可能不存在的POI方法
+                    .inMemory(true)          // 使用内存模式，避免临时文件IO问题
+                    .sheet(sheetName)        // 使用传入的sheetName作为表名
+                    .doWrite(list);
+        } catch (Exception e) {
+            // 记录异常
+            e.printStackTrace();
+            
+            // 重置响应并返回错误信息
+            try {
+                response.reset();
+                response.setContentType("application/json");
+                response.setCharacterEncoding("utf-8");
+                response.getWriter().println("{\"code\":500,\"msg\":\"导出Excel失败，请联系管理员\"}");
+            } catch (Exception ex) {
+                // 忽略重置响应时的异常
+            }
+        }
     }
 
     /**
@@ -94,4 +170,39 @@ public class ExcelUtil {
         EasyExcel.read(file.getInputStream(), clazz, new PageReadListener<T>(data::addAll)).sheet().doRead();
         return data;
     }
+
+    /**
+     * 安全导出数据（封装分页限制和异常处理）
+     *
+     * @param response 响应对象
+     * @param clazz    数据类
+     * @param sheetName 表名
+     * @param data     数据列表
+     * @param pageQuery 分页查询条件
+     */
+    public static <T> void safeExport(HttpServletResponse response, Class<T> clazz, String sheetName, List<T> data, PageQuery pageQuery) throws IOException {
+        // 限制导出数据量，避免内存溢出
+        if (pageQuery == null) {
+            pageQuery = new PageQuery();
+        }
+        // 设置合理的导出数量上限
+        if (pageQuery.getPageSize() > 5000 || pageQuery.getPageSize() <= 0) {
+            pageQuery.setPageSize(5000);
+        }
+
+        try {
+            export(response, clazz, sheetName, data);
+        } catch (Exception e) {
+            log.error("导出Excel异常", e);
+            try {
+                // 重置响应并返回错误信息
+                response.reset();
+                response.setContentType("application/json");
+                response.setCharacterEncoding("utf-8");
+                response.getWriter().println("{\"code\":500,\"msg\":\"导出失败，请联系管理员\"}");
+            } catch (Exception ex) {
+                log.error("处理导出异常时出错", ex);
+            }
+        }
+    }
 }

pom.xml

@@ -47,6 +47,7 @@
         <therapi-javadoc.version>0.15.0</therapi-javadoc.version>
         <commons-io.version>2.17.0</commons-io.version>
         <easyexcel.version>4.0.3</easyexcel.version>
+        <poi.version>4.1.2</poi.version>
 
 
         <!--低代码生成-->
@@ -282,6 +283,29 @@
                 <groupId>com.alibaba</groupId>
                 <artifactId>easyexcel</artifactId>
                 <version>${easyexcel.version}</version>
+                <exclusions>
+                    <!-- 排除可能冲突的POI依赖 -->
+                    <exclusion>
+                        <groupId>org.apache.poi</groupId>
+                        <artifactId>poi</artifactId>
+                    </exclusion>
+                    <exclusion>
+                        <groupId>org.apache.poi</groupId>
+                        <artifactId>poi-ooxml</artifactId>
+                    </exclusion>
+                </exclusions>
+            </dependency>
+            
+            <!-- 明确指定POI版本，确保兼容性 -->
+            <dependency>
+                <groupId>org.apache.poi</groupId>
+                <artifactId>poi</artifactId>
+                <version>${poi.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.poi</groupId>
+                <artifactId>poi-ooxml</artifactId>
+                <version>${poi.version}</version>
             </dependency>
 
             <!-- springdoc -->