jsp页面：

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><%@taglib prefix="sf" uri="http://www.springframework.org/tags/form"%><%    String path = request.getContextPath();    String basePath = request.getScheme() + "://"            + request.getServerName() + ":" + request.getServerPort()            + path + "/";%>
     
     
         
     
                      file:
              
      
        file:
              
      
        file:
              
      
        
          
     

 

springmvc.xml配置：

     
     
          ...    
          
              
           
          ...
     

 

controller：

package com.stone.controller;import java.io.File;import java.io.IOException;import java.util.HashMap;import java.util.Map;import java.util.Random;import javax.servlet.http.HttpServletRequest;import javax.validation.Valid;import org.apache.commons.io.FileUtils;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.validation.BindingResult;import org.springframework.web.bind.annotation.PathVariable;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.RequestParam;import org.springframework.web.bind.annotation.ResponseBody;import org.springframework.web.bind.annotation.SessionAttributes;import org.springframework.web.multipart.MultipartFile;import org.springframework.web.servlet.mvc.support.RedirectAttributes;import org.springframework.web.servlet.view.InternalResourceViewResolver;import com.stone.model.User;@Controller@RequestMapping("/user")@SessionAttributes("loginUser")public class UserController {    private final static Map
     
       users = new HashMap
      
       ();    public UserController() {        users.put("ldh", new User("ldh", "刘德华", "123", "123@123.com"));        users.put("zxy", new User("zxy", "张学友", "123", "123@123.com"));        users.put("gfc", new User("gfc", "郭富城", "123", "123@123.com"));        users.put("lm", new User("lm", "黎明", "123", "123@123.com"));    }    @RequestMapping("/users")    public String list(Model model) {        model.addAttribute("users", users);        return "user/list";    }    @RequestMapping(value = "/add", method = RequestMethod.GET)    public String add(Model model) {        model.addAttribute(new User());        return "user/add";    }    @RequestMapping(value = "/add", method = RequestMethod.POST)    public String add(@RequestParam(required = false) MultipartFile[] files,            HttpServletRequest req) throws IOException {                for (MultipartFile file : files) {            System.out.println(file.getContentType() + "," + file.getName()                    + "," + file.getOriginalFilename());            String realpath = req.getSession().getServletContext()                    .getRealPath("/resources/upload/");            System.out.println(realpath);            if (!file.isEmpty()) {                FileUtils.copyInputStreamToFile(                        file.getInputStream(),                        new File(realpath + File.separator                                + new Random().nextInt()));            }        }                 return InternalResourceViewResolver.REDIRECT_URL_PREFIX + "/user/users";    }
      
     

//如果是一个文件的话，使用这样的方式 @RequestMapping(value = "/add", method = RequestMethod.POST)    public String add( MultipartFile files,            HttpServletRequest req) throws IOException {            System.out.println(file.getContentType() + "," + file.getName() + "," + file.getOriginalFilename()); String realpath = req.getSession().getServletContext() .getRealPath("/resources/upload/"); System.out.println(realpath); if (!file.isEmpty()) { FileUtils.copyInputStreamToFile( file.getInputStream(), new File(realpath + File.separator + new Random().nextInt())); } return InternalResourceViewResolver.REDIRECT_URL_PREFIX + "/user/users"; }

}