spring mvc handler的三种方式

<?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>