<?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" 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</display-name>

    <!-- 解决中文编码问题 -->

    <filter>

        <filter-name>CharacterEncodingFilter</filter-name>

        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>

        <init-param>

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

            <param-value>UTF-8</param-value>

        </init-param>

        <init-param>

            <param-name>forceEncoding</param-name>

            <param-value>true</param-value>

        </init-param>

    </filter>

    <!-- <filter-mapping>

        <filter-name>CharacterEncodingFilter</filter-name>

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

    </filter-mapping> -->

    <servlet>

        <servlet-name>example</servlet-name>

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

        <!-- init-param 节点必须在 load-on-startup 节点以上 -->

        <init-param>

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

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

        </init-param>

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

    </servlet>

    <servlet-mapping>

         <servlet-name>example</servlet-name>

         <url-pattern>*.do</url-pattern>

    </servlet-mapping>

    <welcome-file-list>

        <welcome-file>default.jsp</welcome-file>

    </welcome-file-list>

</web-app>

<?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"

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

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

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

        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd

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

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

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

        p:prefix="/WEB-INF/jsp/" p:suffix=".jsp" >

        <!-- 如果使用 jstl 的话，配置下面的属性

        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"></property>

        -->

    </bean>

</beans>

<%@ 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>Insert title here</title>

</head>

<body>

    欢迎您，${requestScope.username }

</body>

</html>

/*

 * 文 件 名:  UserController.java

 * 版    权:   Ltd. Copyright YYYY-YYYY,  All rights reserved

 * 描    述:  <描述>

 * 修 改 人:  Administrator

 * 修改时间:  2016年3月17日

 */

package com.guo.controller;

import java.io.UnsupportedEncodingException;

import java.net.URLDecoder;

import java.net.URLEncoder;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;

import org.springframework.ui.ModelMap;

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

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

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

import org.springframework.web.servlet.ModelAndView;

import com.guo.po.User;

/**

 * <一句话功能简述>

 * <功能详细描述>

 *

 * @author  Administrator 2016年3月17日

 */

@Controller

@RequestMapping("/user")

public class UserController

{

    // Controller 单例

    // http://localhost:8080/springmvc/user/add.do

    @RequestMapping("/add")

    public void add(User user)

    {

        System.out.println(user);

    }

    @RequestMapping("/login")

    public String login(@RequestParam("n")String userName, @RequestParam("p")String password, ModelMap map)

    {

        //userName = new String(userName.getBytes("ISO-8859-1"), "UTF-8");

        System.out.println("userName is " + userName

                + " and password is " + password);

        // session.setAttribute

        // request.setAttribute

         map.put("username", userName);

//        return "forward:/welcome.jsp";

        return "admin/adminwelcome";

    }

    @RequestMapping("/login2")

    public ModelAndView login2(@RequestParam("n")String userName, @RequestParam("p")String password)

    {

        System.out.println("userName is " + userName

                + " and password is " + password);

         ModelAndView mv = new ModelAndView();

         mv.setViewName("admin/adminwelcome");

         mv.getModelMap().put("username", userName);

        return mv;

    }

    @RequestMapping("/baidu")

    public String baidu()

    {

      return "redirect:http://www.baidu.com";

    }

    @RequestMapping("{id}/delete")

    public void delete(@PathVariable("id")Integer id)

    {

        System.out.println("delete id is " + id);

    }

}