SpringMvc上传文件-蒲公英云

SpringMvc上传文件

工程目录：

jar包

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web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>SpringMvc-01</display-name>
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
  <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring-mvc.xml</param-value>
        </init-param>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>
</web-app>

spring-mvc.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:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="
        http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd">
    <!-- 使用注解的包，包括子集 -->
    <context:component-scan base-package="com.java1234"/>
    <!-- 视图解析器 -->
    <bean id="viewResolver"
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/" />
        <property name="suffix" value=".jsp"></property>
    </bean>
 <bean id="multipartResolver"
        class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <property name="defaultEncoding" value="UTF-8"/>  
        <property name="maxUploadSize" value="10000000"/>
    </bean>
</beans>

UploadController.java

package com.java1234.controller;
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;
@Controller
public class UploadController {
    /**
     * 上传单个文件
     * @param file1
     * @param request
     * @return
     * @throws Exception
     */
    @RequestMapping("/upload")
    public String uploadFile(@RequestParam("file1") MultipartFile file1,HttpServletRequest request) throws Exception{
        String filePath=request.getServletContext().getRealPath("/");
        System.out.println(filePath);
        file1.transferTo(new File(filePath+"upload/"+file1.getOriginalFilename()));
        return "redirect:success.jsp";
    }
    /**
     * 上传多个文件
     * @param files
     * @param request
     * @return
     * @throws Exception
     */
    @RequestMapping("/upload2")
    public String uploadFiles(@RequestParam("file") MultipartFile []files,HttpServletRequest request) throws Exception{
        String filePath=request.getServletContext().getRealPath("/");
        System.out.println(filePath);
        for(MultipartFile file:files) {
            file.transferTo(new File(filePath+"upload/"+file.getOriginalFilename()));
        }
        return "redirect:success.jsp";
    }
}

index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="upload2.do" method="post" enctype="multipart/form-data">
<input type="file" name="file"/><br>
<input type="file" name="file"/><br>
<input type="file" name="file"/><br>
<input type="submit" value="上传"/>
</form>
</body>
</html>

success.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
上传文件成功
</body>
</html>