!-- SpringMVC上传文件时，需要配置MultipartResolver处理器 -->
bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    property name="defaultEncoding" value="UTF-8"/>
    !-- 指定所上传文件的总大小不能超过200KB。注意maxUploadSize属性的限制不是针对单个文件，而是所有文件的容量之和 -->
    property name="maxUploadSize" value="200000"/>
    !-- 最大内存大小 (10240)-->
    property name="maxInMemorySize" value="40960" />
/bean>
  
!-- SpringMVC在超出上传文件限制时，会抛出org.springframework.web.multipart.MaxUploadSizeExceededException -->
!-- 该异常是SpringMVC在检查上传的文件信息时抛出来的，而且此时还没有进入到Controller方法中 -->
bean id="exceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
    property name="exceptionMappings">
        props>
            !-- 遇到MaxUploadSizeExceededException异常时，自动跳转到/WEB-INF/jsp/error_fileupload.jsp页面 -->
            prop key="org.springframework.web.multipart.MaxUploadSizeExceededException">error_fileupload/prop>
        /props>
    /property>
/bean>

%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
html>
    head>
        script type="text/javascript" src="../js/jquery-1.7.1.min.js">/script>
        meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        title>上传图片/title>
    /head>
    body>
        form action="%=request.getContextPath()%>/upload/filesUpload" method="POST" enctype="multipart/form-data">
            yourfile: input type="file" name="myfiles"/>br/>
            yourfile: input type="file" name="myfiles"/>br/>
            input type="submit" value="上传图片"/>
        /form>
    /body>
/html>

%@ page language="java" pageEncoding="UTF-8"%>
h1>文件过大，请重新选择/h1>

package com.ljq.web.controller.annotation;
 
import java.io.File;
 
import javax.servlet.http.HttpServletRequest;
 
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
 
/**
 * 上传图片
 *
 * @author Administrator
 *
 */
@Controller
@RequestMapping("/upload")
public class UploadController {
 
    @RequestMapping("/toUpload")
    public String toUpload() {
        return "/upload";
    }
 
    /***
     * 保存文件
     *
     * @param file
     * @return
     */
    private boolean saveFile(HttpServletRequest request, MultipartFile file) {
        // 判断文件是否为空
        if (!file.isEmpty()) {
            try {
                // 保存的文件路径(如果用的是Tomcat服务器，文件会上传到\\%TOMCAT_HOME%\\webapps\\YourWebProject\\upload\\文件夹中  )
                String filePath = request.getSession().getServletContext()
                    .getRealPath("/") + "upload/" + file.getOriginalFilename();
                File saveDir = new File(filePath);
                if (!saveDir.getParentFile().exists())
                    saveDir.getParentFile().mkdirs();
                
                // 转存文件
                file.transferTo(saveDir);
                return true;
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        return false;
    }
 
    /**
     * 上传图片
     *
     * @param files
     * @param request
     * @return
     */
    @RequestMapping("/filesUpload")
    public String filesUpload(@RequestParam("myfiles") MultipartFile[] files,
            HttpServletRequest request) {
        if (files != null files.length > 0) {
            for (int i = 0; i files.length; i++) {
                MultipartFile file = files[i];
                // 保存文件
                saveFile(request, file);
            }
        }
        
        // 重定向
        return "redirect:/upload/toUpload";
    }
 
}