maven增加配置:

<dependency>
    <groupId>commons-fileupload</groupId>
    <artifactId>commons-fileupload</artifactId>
    <version>1.3.2</version>
</dependency>

springmvc.xml 增加配置:

<!-- 上传文件需要的配置 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
	<property name="defaultEncoding" value="UTF-8"></property>
	<property name="maxUploadSize" value="1024000"></property>
</bean>

页面:

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
	<h2>Hello World !</h2>
	<a href="home/show" target="_blank">打开一个mvc页面</a>
	<br/>
	<form action="home/fileUpload" method="POST" enctype="multipart/form-data">
		姓名:<input type="text" name="uname" value="张三"/>
		<br/>
		文件: <input type="file" name="file1"/>
		<br/>
		<input type="submit" value="上传文件"/>
	</form>
</body>
</html>

控制器:

package com.shuoeasy.springmvc;


import java.io.File;
import java.io.IOException;

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;


@RequestMapping("/home")
@Controller
public class Home {
	
	/**
	 * 路径 : home/show
	 * @throws IOException 
	 */
	@RequestMapping("/fileUpload")
	public String fileUpload(
			@RequestParam("uname") String uname,
			@RequestParam("file1") MultipartFile file) throws IOException{
		System.out.println("uname=" + uname);
		System.out.println("fileName=" + file.getOriginalFilename());
		System.out.println("InputStream=" + file.getInputStream());
		
		// 保存文件
		save(file);
		
		return "home_index";
	}
	
	private void save(MultipartFile file) throws IllegalStateException, IOException{
		File targetFile = new File("D:/tmp", file.getOriginalFilename());  
		if(!targetFile.exists()){  
			targetFile.mkdirs();  
			file.transferTo(targetFile);  
		}
	}
	
}


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