<?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_3_0.xsd"

    id="WebApp_ID" version="3.0">

    <display-name>springmvc_01</display-name>

    <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:springmvc.xml</param-value>

        </init-param>

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

    </servlet>

    <servlet-mapping>

        <servlet-name>springmvc</servlet-name>

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

    </servlet-mapping>

    <welcome-file-list>

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

    </welcome-file-list>

</web-app>

package com.zhou.controller;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.ModelAndView;

import org.springframework.web.servlet.mvc.Controller;

public class AccountController implements Controller{

    @Override

    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {

        ModelAndView modelAndView = new ModelAndView();

        modelAndView.setViewName("index.jsp");

        modelAndView.addObject("account", "122553");

        return modelAndView;

    }

}

package com.zhou.controller;

import java.io.IOException;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.web.HttpRequestHandler;

public class UserController implements HttpRequestHandler{

    public String login(){

        return null;

    }

    @Override

    public void handleRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        request.setAttribute("user", "zhangsan");

        request.getRequestDispatcher("index.jsp").forward(request, response);

    }

}

<?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"

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

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

    xsi:schemaLocation="

        http://www.springframework.org/schema/beans

        http://www.springframework.org/schema/beans/spring-beans-3.2.xsd

        http://www.springframework.org/schema/aop

        http://www.springframework.org/schema/aop/spring-aop-3.2.xsd

        http://www.springframework.org/schema/tx

        http://www.springframework.org/schema/tx/spring-tx-3.2.xsd

        http://www.springframework.org/schema/context

        http://www.springframework.org/schema/context/spring-context-3.2.xsd">

    <!-- 配置处理器映射器 -->

    <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"></bean>

    <!-- 配置处理器适配器 -->

    <!-- 以bean的name属性值作为url -->

    <bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"></bean>

    <!-- 另一个处理器适配器 -->

    <bean class="org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter">

    </bean>

    <!-- 以bean的id属性值作为url -->

    <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">

        <property name="mappings">

            <props>

                <prop key="/user1.action">user</prop>

                <prop key="/user2.action">user</prop>

                <prop key="/account.action">account</prop>

            </props>

        </property>

    </bean>

    <!-- 配置视图解析器 -->

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

    <!-- controller -->

    <bean id="user" name="/user.action" class="com.zhou.controller.UserController"></bean>

    <bean id="account" class="com.zhou.controller.AccountController"></bean>

</beans>  

public boolean supports(Object handler) {

        return (handler instanceof Controller);

    }