spring mvc handler的三种方式

springmvc.xml 三种方式不能针对一个controller同时使用

<?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"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/mvc
     http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd
        http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context-4.1.xsd">
    <!-- 1,配置handlerMapping 根据beanname找到对应的Controller -->
    <bean
        class="org.springframework.web.servlet.mvc.support.ControllerBeanNameHandlerMapping"></bean>
    <bean id="userController" name="/user.do"
        class="com.stone.controller.UserController"></bean>
    <!-- 2,根据简单URL来查找Controller -->
    <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
        <property name="mappings">
            <props>
                <prop key="/userInfo.do">userController</prop>
            </props>
        </property>
    </bean>
    <bean id="userController" class="com.stone.controller.UserController"></bean>
    <!-- 3,控制类的类名访问Controller，访问时类名首字母需要小写 -->
    <bean
        class="org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping"></bean>
    <bean class="com.stone.controller.UserController"></bean>

    <!-- 配置视图 解析器 -->
    <bean
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- 前缀和后缀 -->
        <property name="prefix" value="/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>
</beans>