文件上传文件名称修改

wisenergy-web-admin/src/main/java/cn/wisenergy/web/admin/controller/app/FileUploadController.java

@@ -71,7 +71,7 @@ public class FileUploadController {
             folder.mkdirs();
         }
         String oldName = file.getOriginalFilename();
-        String newName = UUID.randomUUID().toString() + oldName.substring(oldName.lastIndexOf("."));
+        String newName = UUID.randomUUID().toString().substring(4,9) + oldName;
         try {
             file.transferTo(new File(folder, newName));
             String url = "/upload_flowChart/" + newName;