spring mvc简单的demo（注解版）

tomcat配置文件：web.xml

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

>
<web-app version="3.0"
	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_3_0.xsd">
  <display-name>hello</display-name>	

  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>

   <servlet>
        <servlet-name>spring</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>spring</servlet-name>
        <url-pattern>/</url-pattern>
     </servlet-mapping>

</web-app>

springmvc配置文件：spring-servlet.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:aop="http://www.springframework.org/schema/aop" xmlns:cache="http://www.springframework.org/schema/cache"
	xmlns:context="http://www.springframework.org/schema/context" xmlns:jdbc="http://www.springframework.org/schema/jdbc"
	xmlns:jee="http://www.springframework.org/schema/jee" xmlns:jms="http://www.springframework.org/schema/jms" xmlns:lang="http://www.springframework.org/schema/lang"
	xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:oxm="http://www.springframework.org/schema/oxm" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:task="http://www.springframework.org/schema/task" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:util="http://www.springframework.org/schema/util"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
        http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache-3.1.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
        http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsd
        http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.1.xsd
        http://www.springframework.org/schema/jms http://www.springframework.org/schema/jms/spring-jms-3.1.xsd
        http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang-3.1.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
        http://www.springframework.org/schema/oxm http://www.springframework.org/schema/oxm/spring-oxm-3.1.xsd
        http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.1.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.1.xsd">

	<!-- 注解扫描包 -->
	<context:component-scan base-package="com" />

	<!-- 分派器 -->
  	<bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver">
  	<property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
  	<property name="prefix" value="/" />
  	<property name="suffix" value=".jsp" />
 </bean>

</beans>

实体：User.java

package com.bean;

public class User {

	public String user;
	public String password;

	public String getUser() {
		return user;
	}
	public void setUser(String user) {
		this.user = user;
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}

}

控制器：UserManager.java

package com.controler;

import javax.servlet.http.HttpServletRequest;

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

import com.bean.User;

@Controller
public class UserManager {

	@RequestMapping("/login")
	public String login(User user, HttpServletRequest request)
	{
		System.out.println("hhhhhhhhh"+user.getUser()+"/"+user.getPassword());

		request.setAttribute("value1", user.getUser());
		request.setAttribute("value2", user.getPassword());

		return "index";
	}

}

jsp页面：index.jsp

<%@ page language="java" import="java.util.*" contentType="text/html;charset=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 'index.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">
	-->

	<script type="text/javascript">
	function addUser()
	{
	var form = document.forms[0];
	form.action="/fly/login";
	form.method="post";
	form.submit();
	}
	</script>
  </head>

  <body>

  <%
  		String user = (String)request.getAttribute("value1");
  		String password = (String)request.getAttribute("value2");

  		out.println(user);
  		out.println(password);
   %>

  	<form action="">
  	username：<input name="user" type="text" value="dalangge"/>
  	密码：<input name="password" type="password" value="123456"/>
  	<input type="button" value="登录" onclick="addUser()"/>
  	</form>

    This is my JSP page. <br>
  </body>
</html>