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springMVC之文件上传

2024-07-18 12:10:09   221人阅读

1. 引入Jar包

commons-fileupload-1.2.2.jar

commons-io-2.1.jar


2.user-servlet.xml中配置文件上传

<!-- 配置文件上传 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
	<property name="maxUploadSize" value=http://www.mamicode.com/"5000000">>3. UserController.java
@Controller
@RequestMapping("/user")
public class UserController {
	// 使用map模拟数据库 
	private Map<String, User> userMap = new HashMap<String, User>();

	public UserController() {
		userMap.put("zhangsan", new User("zhangsan", "123"));
		userMap.put("lishimin", new User("lishimin", "456"));
	}
	
	// 文件上传
	// 访问方法: http://localhost/springmvc_user/upload.jsp
	@RequestMapping(value=http://www.mamicode.com/"/upload",method=RequestMethod.POST)>4. upload.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>文件上传</title>
</head>
<body>
<form method="post" action="user/upload" enctype="multipart/form-data">
	Attach:<br/>
    <input type="file" name="attachs"/><br/>	
    <input type="file" name="attachs"/><br/>	
    <input type="file" name="attachs"/><br/>	
    <input type="submit" value=http://www.mamicode.com/"上传文件"/>>


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