编写后端接收上传文件代码。

code/backend/RegulatoryManagementBackend/src/main/java/com/cpic/xim/web/controllers/QueryResponse.java

@@ -1,8 +1,12 @@
 /*
  * @Author: Kane
+ * 
  * @Date: 2023-04-05 22:34:36
+ * 
  * @LastEditors: Kane
+ * 
  * @FilePath: /desktop_archievement_backend/src/main/java/com/cpic/xim/web/controllers/QueryResponse.java
+ * 
  * @Description:
  *
  * Copyright (c) ${2022} by Kane, All Rights Reserved.
@@ -17,7 +21,7 @@ public class QueryResponse
     private boolean success;
 
     @JsonProperty( "message" )
-    private String  message;
+    private String message;
 
     public QueryResponse( boolean success, String message )
     {
@@ -54,8 +58,8 @@ public class QueryResponse
     @Override
     public int hashCode()
     {
-        final int prime = 31;
+        final int prime  = 31;
-        int result = 1;
+        int       result = 1;
         result = prime * result + (success ? 1231 : 1237);
         result = prime * result + ((message == null) ? 0 : message.hashCode());
         return result;
@@ -70,7 +74,7 @@ public class QueryResponse
             return false;
         if ( getClass() != obj.getClass() )
             return false;
-        QueryResponse other = (QueryResponse) obj;
+        QueryResponse other = ( QueryResponse ) obj;
         if ( success != other.success )
             return false;
         if ( message == null )

code/backend/RegulatoryManagementBackend/src/main/java/com/cpic/xim/web/controllers/fileupload/FileUpload.java

@@ -1,14 +1,13 @@
-/*
+/**
- * @Author: Kane
+ * @Author: Kane Wang <wangkane@qq.com>
- * @Date: 2023-01-22 23:11:26
+ * @Date: 2025-10-15 11:42:56
- * @LastEditors: Kane
+ * @LastEditors: Kane Wang
- * @LastEditTime: 2023-10-23 17:01:29
+ * @LastModified: 2025-10-15 17:48:52
- * @FilePath: /desktop_archievement_backend/src/main/java/com/cpic/xim/web/controllers/fileupload/FileUpload.java
+ * @FilePath: src/main/java/com/cpic/xim/web/controllers/fileupload/FileUpload.java
  * @Description: 用于接受上传文件的Controller。
  *
- * Copyright (c) ${2022} by Kane, All Rights Reserved. 
+ *               Copyright (c) 2025 by Kane All rights reserved
  */
-
 package com.cpic.xim.web.controllers.fileupload;
 
 import java.io.File;
@@ -22,11 +21,13 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.multipart.MultipartFile;
+import org.springframework.web.bind.annotation.RequestMethod;
+
 
 // @SuppressWarnings( "unused" )
 @Controller
 @RequestMapping( path = "/file" )
-public class FileUpload
+public abstract class FileUpload
 {
     /**
      * 接收上传文件，并保存到临时目录：
@@ -34,26 +35,30 @@ public class FileUpload
      * 2、保存时不更改文件名，会覆盖同名文件。
      * 3、MultipartFile参数形参名称必须和请求form中file标签的name属性一致，否则值为null。
      * 4、返回值为接收结果和文件保存绝对路径。
+     * 
      * @param taskName 任务名称字符串
-     * @param files MultipartFile结构的文件对象
+     * @param files    MultipartFile结构的文件对象
-     * @param request HttpServletRequest对象实例
+     * @param request  HttpServletRequest对象实例
      * @return 返回一个FileUploadResult对象，包含上传结果。
      */
-    @RequestMapping( path = "/file-upload.do" )
+    // @RequestMapping( path = "/file-upload.do" )
-    @ResponseBody
+    // @ResponseBody
-    public FileUploadResult getUploadFile( @RequestParam( "task-name" ) String taskName,
+    public FileUploadResult getUploadFile(
-            @RequestParam( "files" ) MultipartFile file, HttpServletRequest request )
+            @RequestParam( "task-name" ) String taskName,
+            @RequestParam( "files" ) MultipartFile file,
+            HttpServletRequest request
+    )
     {
         // session id用来创建临时目录，避免重复
-        String sessionID = request.getSession().getId();
+        String           sessionID = request.getSession().getId();
-        FileUploadResult result = new FileUploadResult();
+        FileUploadResult result    = new FileUploadResult();
-        Vector<String> fileNames = new Vector<String>();
+        Vector<String>   fileNames = new Vector<String>();
 
         result.setSuccess( true );
         result.setMessage( "上传成功!" );
 
         String filePath = request.getServletContext().getRealPath( "/temp/upload/" + sessionID );
-        File dir = new File( filePath );
+        File   dir      = new File( filePath );
 
         if ( !dir.mkdirs() )
         {
@@ -69,11 +74,10 @@ public class FileUpload
         else
         {
             // 保存文件到临时目录
-            Long milliSecond =
+            Long   milliSecond = LocalDateTime.now().toInstant( ZoneOffset.of( "+8" ) ).toEpochMilli();
-                    LocalDateTime.now().toInstant( ZoneOffset.of( "+8" ) ).toEpochMilli();
+            String fileName    = String.valueOf( milliSecond ) + file.getOriginalFilename();
-            String fileName = String.valueOf( milliSecond ) + file.getOriginalFilename();
+            File   destFile    = new File( filePath, fileName );
             // String fileName = file.getOriginalFilename();
-            File destFile = new File( filePath, fileName );
 
             try
             {
@@ -94,4 +98,46 @@ public class FileUpload
 
         return result;
     }
+
+    @RequestMapping( path = "/file-upload.do" )
+    @ResponseBody
+    public static FileUploadResult saveUploadFile(
+            @RequestParam( "file-name" ) String fileName,
+            @RequestParam( "files" ) MultipartFile file,
+            HttpServletRequest request
+    )
+    {
+        // session id用来创建临时目录，避免重复
+        String           sessionID = request.getSession().getId();
+        FileUploadResult result    = new FileUploadResult();
+        MultipartFile[]  files     = new MultipartFile[1];
+
+        result.setSuccess( true );
+        result.setMessage( "上传成功!" );
+
+        String filePath = request.getServletContext().getRealPath( "/temp/upload/" + sessionID );
+        File   dir      = new File( filePath );
+
+        // 创建临时目录
+        if ( !dir.mkdirs() )
+        {
+            result.setSuccess( false );
+            result.setMessage( "创建临时目录失败：" + filePath );
+
+            return result;
+        }
+
+        try
+        {
+            SaveUploadFile.saveUploadFile( files, filePath );
+        }
+        catch ( ProcessUploadedFileException error )
+        {
+            result.setSuccess( false );
+            result.setMessage( error.getMessage() );
+        }
+
+        return result;
+    }
+
 }

code/backend/RegulatoryManagementBackend/src/main/java/com/cpic/xim/web/controllers/fileupload/FileUploadResult.java

@@ -1,9 +1,14 @@
 /*
  * @Author: Kane
+ * 
  * @Date: 2023-01-23 22:56:17
+ * 
  * @LastEditors: Kane
+ * 
  * @LastEditTime: 2023-10-06 00:32:47
+ * 
  * @FilePath: /desktop_archievement_backend/src/main/java/com/cpic/xim/web/controllers/FileUpload/FileUploadResult.java
+ * 
  * @Description:
  * 
  * Copyright (c) ${2022} by Kane, All Rights Reserved.
@@ -25,13 +30,16 @@ public class FileUploadResult extends QueryResponse
 
     /**
      * 构造函数
-     * @param success 是否上传成功
+     * 
-     * @param message 消息字符串
+     * @param success  是否上传成功
+     * @param message  消息字符串
      * @param fileList 文件绝对路径字符串数组
      */
-    public FileUploadResult( boolean success, 
+    public FileUploadResult(
-                             String message, 
+            boolean success,
-                             Vector<String> fileList )
+            String message,
+            Vector<String> fileList
+    )
     {
         super( success, message );
 

code/backend/RegulatoryManagementBackend/src/main/java/com/cpic/xim/web/controllers/fileupload/ProcessUploadedFileException.java

@@ -0,0 +1,26 @@
+/**
+ * @Author: Kane Wang <wangkane@qq.com>
+ * @Date: 2025-10-15 12:06:26
+ * @LastEditors: Kane Wang
+ * @LastModified: 2025-10-16 09:59:39
+ * @FilePath: src/main/java/com/cpic/xim/web/controllers/fileupload/ProcessUploadedFileException.java
+ * @Description:
+ *
+ *               Copyright (c) 2025 by Kane All rights reserved
+ */
+package com.cpic.xim.web.controllers.fileupload;
+
+import java.io.IOException;
+
+public class ProcessUploadedFileException extends IOException
+{
+    ProcessUploadedFileException()
+    {
+        super("上传文件失败！");
+    }
+
+    ProcessUploadedFileException( String message )
+    {
+        super(message);
+    }
+}

code/backend/RegulatoryManagementBackend/src/main/java/com/cpic/xim/web/controllers/fileupload/SaveUploadFile.java

@@ -0,0 +1,73 @@
+/**
+ * @Author: Kane Wang <wangkane@qq.com>
+ * @Date: 2025-10-16 09:46:42
+ * @LastEditors: Kane Wang
+ * @LastModified: 2025-10-16 10:50:45
+ * @FilePath: src/main/java/com/cpic/xim/web/controllers/fileupload/SaveUploadFile.java
+ * @Description:
+ *
+ *               Copyright (c) 2025 by Kane All rights reserved
+ */
+package com.cpic.xim.web.controllers.fileupload;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import org.springframework.web.multipart.MultipartFile;
+
+
+public class SaveUploadFile
+{
+    public static HashMap<String, String> saveUploadFile(
+            MultipartFile[] files,
+            String tempFilePath
+    )
+      throws ProcessUploadedFileException
+    {
+        HashMap<String, String> savedFiles = new HashMap<>();
+        // File                    dir        = new File( tempFilePath );
+        String                  fileName = "";
+        String                  fullPath;
+
+        // if ( !dir.mkdir() )
+        // {
+        //     // 创建目录失败
+        //     throw new ProcessUploadedFileException( "创建临时目录失败：" + tempFilePath );
+        // }
+
+        if ( !(tempFilePath.endsWith( "/" ) || tempFilePath.endsWith( "\\" )) )
+        {
+            fullPath = tempFilePath + "/";
+        }
+        else
+        {
+            fullPath = tempFilePath;
+        }
+
+        try
+        {
+            for ( MultipartFile file : files )
+            {
+                // 空文件跳过
+                if ( file.isEmpty() )
+                {
+                    continue;
+                }
+
+                fileName = file.getOriginalFilename();
+                File destFile = new File( tempFilePath, fileName );
+
+                file.transferTo( destFile );
+
+
+                savedFiles.put( fileName, fullPath + fileName );
+            }
+        }
+        catch ( IOException error )
+        {
+            throw new ProcessUploadedFileException( "临时目录" + tempFilePath + "保存文件" + fileName + "失败!" );
+        }
+
+        return savedFiles;
+    }
+}

code/backend/RegulatoryManagementBackend/src/main/java/com/cpic/xim/web/filters/cros/CrosFilter.java

@@ -27,7 +27,12 @@ public class CrosFilter implements Filter
     private static Logger logger = LoggerFactory.getLogger( CrosFilter.class );
 
     /**
+     *
      * @param req
+     * @param resp
+     * @param chain
+     * @throws ServletException
+     * @throws IOException
      */
     @Override
     public void doFilter(