Spring Mvc 上传文件Demo 实例

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Controller 类

package com.upload.action;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import javax.servlet.http.HttpServletRequest;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestParam;

import org.springframework.web.multipart.MultipartFile;

@Controller

@RequestMapping("/upload")

public class UpFileAction {

       @RequestMapping( "/uploadfile")

        public  String   upLoadFile(@RequestParam(value="upFile",required=false) MultipartFile upFile,HttpServletRequest request,Model model) throws IOException

        {

           String fileName = upFile.getOriginalFilename();  

           File targetFile = new File("D:/FILE_TMP",fileName);

           if(!targetFile.exists()){  

               targetFile.mkdirs();  

           }

           //開始保存文件

           upFile.transferTo(targetFile);

            return null;

        }

}

页面

<html>

<body>

<form action="upload/uploadfile"  method="post" enctype="multipart/form-data" accept-charset="utf-8">

<p>选择文件<input type="file"  name="upFile"><input type="submit" vlaue="=開始上传"></p>

</form>

</body>

</html>

web.xml

<!DOCTYPE web-app PUBLIC

 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"

 "http://java.sun.com/dtd/web-app_2_3.dtd" >



<web-app>

  <display-name>Archetype Created Web Application</display-name>

 

 

  <!-- 配置的Spring  标准 -->

     <context-param>

        <param-name>contextConfigLocation</param-name>

        <param-value>

            classpath*:applicationContext.xml

        </param-value>

    </context-param>

    

      <!-- -设置Spring   监听器 -->

    <listener>

        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

    </listener>

    <init-param>  

   <param-name>encoding</param-name>  

   <param-value>UTF-8</param-value>  

 </init-param>  

     

<!-- 配置核心类 -->

    <servlet>

        <servlet-name>appServlet</servlet-name>

        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

        <init-param>

            <param-name>contextConfigLocation</param-name>

            <param-value>classpath*:*-servlet.xml</param-value>

        </init-param>

        <load-on-startup>1</load-on-startup>

    </servlet>

 

    <!-- 拦截请求 -->  

    <servlet-mapping>  

        <servlet-name>appServlet</servlet-name>  

        <url-pattern>/</url-pattern>  

    </servlet-mapping>  

</web-app>

applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?

>

<beans xmlns="http://www.springframework.org/schema/beans"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    xmlns:context="http://www.springframework.org/schema/context"

    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd

    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"    default-autowire="byName">

<!-- component-scan自己主动搜索@Component , @Controller , @Service , @Repository等标注的类 -->

    

    <context:component-scan base-package="com.**.**" />

<bean  id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

    </bean>

</beans>

appServlet-servlet.xml

<?

xml version="1.0" encoding="UTF-8"?

>

<!-- Bean头部 -->

<beans xmlns="http://www.springframework.org/schema/beans"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"

    xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"

    xmlns:util="http://www.springframework.org/schema/util"

    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  

            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd  

            http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd              

            http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">

    

    <!-- 激活@Controller模式 -->

    <mvc:annotation-driven />

    <!-- 对包中的全部类进行扫描,以完毕Bean创建和自己主动依赖注入的功能 须要更改 -->

   <context:component-scan base-package="com.**.**"></context:component-scan>



    <bean    class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />

   

   <mvc:default-servlet-handler />

    <mvc:resources location="/WEB-INF/index.jsp" mapping="/WEB-INF/index.jsp" />





    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <property name="viewClass">

            <value>org.springframework.web.servlet.view.JstlView</value>

        </property>



    </bean>

</beans>

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