下载指定文件夹文件

src/main/java/com/spring/modules/part/controller/PartInformationController.java

@@ -755,6 +755,14 @@ public class PartInformationController {
         partInformationService.downLoadObjectFile(id,response);
     }
 
+    /**
+     * 下载指定文件夹文件
+     */
+    @PostMapping(value = "/downLoadFile2")
+    public void downLoadFile2(HttpServletResponse response) throws UnsupportedEncodingException {
+        partInformationService.downLoadObjectFile2(response);
+    }
+
     /***
      * 根据Excel文件读取料号
      */

src/main/java/com/spring/modules/part/service/PartInformationService.java

@@ -140,6 +140,8 @@ public interface PartInformationService {
 
     void downLoadObjectFile(Integer id, HttpServletResponse response) throws UnsupportedEncodingException;
 
+    void downLoadObjectFile2(HttpServletResponse response) throws UnsupportedEncodingException;
+
     List<ChangeRequestVo> getChangeRecordByPartNo2(PlmProjectPartData data);
 
     Map<String, Object> getPartRevisionEngChgLevel(PartRevisionVo inData);

src/main/java/com/spring/modules/part/service/impl/PartInformationServiceImpl.java

@@ -3943,6 +3943,34 @@ public class PartInformationServiceImpl extends ServiceImpl<PartInformationMappe
         }
     }
 
+    /**
+     * 下载文件
+     */
+    @Override
+    public void downLoadObjectFile2(HttpServletResponse response) {
+        File file = new File("D:\\plm-file\\template\\projectPart.xlsx");
+        if (!file.exists()) {
+            throw new RuntimeException("文件不存在");
+        }
+        response.reset();
+        response.setContentType("application/octet-stream;charset=UTF-8");
+        try {
+            String fileName = java.net.URLEncoder.encode("项目物料导入模板.xlsx", "UTF-8");
+            response.setHeader("Content-Disposition", "attachment; filename=" + fileName);
+            try (BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
+                 ServletOutputStream os = response.getOutputStream()) {
+                byte[] buffer = new byte[1024];
+                int len;
+                while ((len = bis.read(buffer)) != -1) {
+                    os.write(buffer, 0, len);
+                }
+                os.flush();
+            }
+        } catch (Exception e) {
+            throw new RuntimeException("文件下载失败", e);
+        }
+    }
+
     /**
      * 获取下一个物料revision
      * @param inData