版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/u010741376/article/details/44814569
web.xml文件：
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<servlet>
<servlet-name>springMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/springMVC-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springMVC</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
springmvc配置文件：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!-- 扫描包 -->
<context:component-scan base-package="com.springmvc.controller"></context:component-scan>
<mvc:annotation-driven/>
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/"></property>
<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="10485760000" />
<property name="maxInMemorySize" value="40960" />
</bean>
</beans>
Controller控制器(有两种方式上传文件)
<span style="font-size:14px;">package com.springmvc.controller;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Date;
import java.util.Iterator;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.http.HttpRequest;
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;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.multipart.commons.CommonsMultipartFile;
import org.springframework.web.multipart.commons.CommonsMultipartResolver;
@Controller
public class UploadController {
@RequestMapping("/toUpload.do")
public String toUpload(){
return "/upload";
}
/**
* 第一种方式，通过流上传文件
* @param file
* @param request
* @return
* @throws IOException
*/
@RequestMapping("/upload.do")
public String addFile(@RequestParam("file") CommonsMultipartFile file,HttpServletRequest request) throws IOException{
System.out.println("fileName-->"+file.getOriginalFilename());
if(!file.isEmpty()){
try {
FileOutputStream os=new FileOutputStream("F:/"+new Date().getTime()+file.getOriginalFilename());
InputStream in=file.getInputStream();
int b=0;
byte[] buffer=new byte[1024];
while((b=in.read(buffer))!=-1){
os.write(buffer, 0,b);
}
os.flush();
os.close();
in.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return "/success";
}
/**
* 第二种方式，通过springMVC自己的文件上传解析器上传文件，效率比第一种更快
* @param request
* @param response
* @return
* @throws IllegalStateException
* @throws IOException
*/
@RequestMapping("/upload2.do")
public String addFile2(HttpServletRequest request,HttpServletResponse response) throws IllegalStateException, IOException{
CommonsMultipartResolver multipart=new CommonsMultipartResolver(request.getSession().getServletContext());
if(multipart.isMultipart(request)){
MultipartHttpServletRequest multiRequest=(MultipartHttpServletRequest)request;
Iterator<String> iter=multiRequest.getFileNames();
while(iter.hasNext()){
MultipartFile file=multiRequest.getFile((String)iter.next());
if(file!=null){
String fileName="UploadFile"+file.getOriginalFilename();
String path="D:/"+fileName;
File localFile=new File(path);
file.transferTo(localFile);
}
}
}
return "/success";
}
}</span>
jsp页面：
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'upload.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<form name="myform" action="upload2.do" method="post" enctype="multipart/form-data">
选择文件：<input type="file" name="file"/>
<input type="submit" value="上传"/>
</form>
</body>
</html>
成功后：
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'success.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
上传成功！
</body>
</html>