1. 引入Jar包

commons-fileupload-1.2.2.jar

commons-io-2.1.jar

2.user-servlet.xml中配置文件上传

3. UserController.java

@Controller@RequestMapping("/user")public class UserController {	// 使用map模拟数据库 	private Map
     
       userMap = new HashMap
      
       ();	public UserController() {		userMap.put("zhangsan", new User("zhangsan", "123"));		userMap.put("lishimin", new User("lishimin", "456"));	}		// 文件上传	// 訪问方法: http://localhost/springmvc_user/upload.jsp	@RequestMapping(value="/upload",method=RequestMethod.POST)	public String upload(@RequestParam("attachs")MultipartFile[] attachs,HttpServletRequest req) throws IOException {		String realpath = req.getSession().getServletContext().getRealPath("/resources/upload");		System.out.println(realpath);		for(MultipartFile attach:attachs) {			if(attach.isEmpty()){				continue;			}			File file = new File(realpath + "/" + attach.getOriginalFilename()); 			FileUtils.copyInputStreamToFile(attach.getInputStream(),file);		}		return "success";	}	}
      
     

4. upload.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
     
     
      	Attach:
      
    
      
      
	    
      
      
	    
      
      
	    
      
     

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