springboot文件上传

最新推荐文章于 2025-05-23 10:04:10 发布

gezh123

最新推荐文章于 2025-05-23 10:04:10 发布

阅读量924

点赞数

CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/gezh123/article/details/56488623

本文介绍了一个Spring MVC项目中的文件上传控制器实现，详细展示了如何使用CommonsMultipartResolver处理多部分请求，以及如何将文件保存到服务器上的指定路径，并记录文件上传者的姓名。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

package com.etaxserver.controller;

import java.io.File;
import java.io.IOException;
import java.util.Iterator;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.multipart.commons.CommonsMultipartResolver;

import com.etaxserver.entity.Respond;
import com.etaxserver.entity.Staff;
import com.etaxserver.service.IFileService;

import com.etaxserver.service.IMsgService;
import com.etaxserver.service.IStaffService;
import com.etaxserver.util.FolderPath;
import com.etaxserver.util.Response;
import com.etaxserver.util.UUIDFactory;

@Controller
public class UploadController{
   @Resource(name="fileServiceImpl")
   private IFileService fileservice;
   @ResponseBody
   @RequestMapping(value="/upload")
   public Respond uploadTempSignet(HttpServletRequest request,HttpServletResponse response,int id) throws IllegalStateException, IOException {
       String path = null;
       String fileName = null;
        CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext());
        if(multipartResolver.isMultipart(request)){
            MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest)request;
            Iterator<String> iter = multiRequest.getFileNames();
            while(iter.hasNext()){
                MultipartFile file = multiRequest.getFile(iter.next());
                if(file != null){
                    String myFileName = file.getOriginalFilename();
                    if(myFileName.trim() !=""){
                       String suffix = myFileName.substring(myFileName.lastIndexOf("."));
                        fileName = UUIDFactory.generate() + suffix;
                        //定义上传路径
                        path = FolderPath.uploadFolder + fileName;
                        File localFile = new File(path);
                        file.transferTo(localFile);

                       com.etaxserver.entity.File files =new com.etaxserver.entity.File();
                       String staffname = fileservice.FileUploader(id);
                       files.setUploader(staffname);
                       files.setName(fileName);
                    }
                }
            }
        }
        return Response.setRespond(1, fileName);

    }
}