package cn.dawn.day05multiActioncontroller;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.multiaction.MultiActionController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Created by Dawn on 2018/3/23.
 */
public class MyMultiActionController extends MultiActionController{

    public String doFirst(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {
        ModelAndView me=new ModelAndView();
        me.setViewName("first");
        return "first";
    }

    public ModelAndView doSecond(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {
        ModelAndView me=new ModelAndView();
        me.setViewName("second");
        return me;
    }
}

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

    <!--配置bean处理器-->
    <bean id="myMultiActionController" class="cn.dawn.day05multiActioncontroller.MyMultiActionController">
        <!--第二步，将参数方法名称解析器注入-->
        <property name="methodNameResolver" ref="parameterMethodNameResolver"></property>
    </bean>
    <!--视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>

    <!--第一步，参数方法名称解析器-->
    <bean id="parameterMethodNameResolver" class="org.springframework.web.servlet.mvc.multiaction.ParameterMethodNameResolver">
        <!--这个actionName就是url问号？后面等于号=左边的那个参数名-->
        <property name="paramName" value="actionName"></property>
    </bean>

    <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
        <!--第一种方式-->
        <property name="urlMap">
            <map>
                <!--第三步，这儿需要改成/*，而不是之前写死的那种-->
                <entry key="/doFirst">
                    <value>myMultiActionController</value>
                </entry>
            </map>
        </property>
        
    </bean>

</beans>