实现多文件上传CommonsMultipartResolver

╰半橙微兮° 2022-06-04 06:36 238阅读 0赞

**1、在spring配置文件中配置文件上传解析器**

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1.    
2.  **<****bean** id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"**>**  
3.      **<****property** name="defaultEncoding" value="utf-8"**>****</****property****>**  
4.      **<****property** name="maxUploadSize" value="10485760000"**>****</****property****>**  
5.      **<****property** name="maxInMemorySize" value="10960"**>****</****property****>**  
6.  **</****bean****>**  
7.

1.  @Controller  
2.  **public** **class** FileController\{  
3.        
4.      @RequestMapping("/fileUpload.do")  
5.      **public** String fileUpload(HttpServletRequest request,HttpServletResponse response)\{  
6.          **long** startTime=System.currentTimeMillis();   //获取开始时间  
7.            
8.          CommonsMultipartResolver multipartResolver = **new** CommonsMultipartResolver(request.getSession().getServletContext());  
9.          **if**(multipartResolver.isMultipart(request))\{ //判断request是否有文件上传  
10.             MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest)request;  
11.             Iterator<String> ite = multiRequest.getFileNames();  
12.             **while**(ite.hasNext())\{  
13.                 MultipartFile file = multiRequest.getFile(ite.next());  
14.                 **if**(file!=**null**)\{  
15.                     File localFile = **new** File("D:/"\+file.getOriginalFilename());  
16.                     **try** \{  
17.                         file.transferTo(localFile); //将上传文件写到服务器上指定的文件  
18.                     \} **catch** (IllegalStateException e) \{  
19.                         e.printStackTrace();  
20.                     \} **catch** (IOException e) \{  
21.                         e.printStackTrace();  
22.                     \}  
23.                 \}  
24.             \}  
25.         \}  
26.         **long** endTime=System.currentTimeMillis(); //获取结束时间  
27.         System.out.println("上传文件共使用时间："\+(endTime-startTime));  
28.           
29.         **return** "success";  
30.     \}  
31. \}

转载自：[http://blog.csdn.net/itmyhome1990/article/details/27977329][http_blog.csdn.net_itmyhome1990_article_details_27977329]

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