spring mvc即mvc攔截器例項（1）

web.xml配置

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
	<display-name>springdemo</display-name>

	<!-- spring的控制器，攔截所有為*.htm的地址 -->
	<servlet>
		<servlet-name>springapp</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<load-on-startup>1</load-on-startup>
	</servlet>

	<servlet-mapping>
		<servlet-name>springapp</servlet-name>
		<url-pattern>*.htm</url-pattern>
	</servlet-mapping>

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


</web-app>

springapp-servlet.xml配置

<?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"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
	http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
	http://www.springframework.org/schema/mvc 
	http://www.springframework.org/schema/mvc/spring-mvc-2.5.xsd 
	http://www.springframework.org/schema/context 
	http://www.springframework.org/schema/context/spring-context-2.5.xsd">

	<!-- the application context definition for the springapp DispatcherServlet -->


	<context:component-scan base-package="springapp.web"/>

	<!-- 配置轉發的路徑和字尾 -->
	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" 
		p:prefix="/" p:suffix=".jsp"/>

    <!-- 配置國際化basename為國際化檔名稱message_zh_CN.properties，jsp國際化渲染器為JSTL支援的，在jsp中使用<fmt:message key="spring.hello"/> -->    
	<bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">                 
		<property name="basename" value="message" />               
		<property name="useCodeAsDefaultMessage" value="true" />       
	</bean>

	<!-- 配置攔截器 -->
	<bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">
		<property name="interceptors">
			<list>
				<bean class="springapp.web.MyInterceptor"/>
			</list>
		</property>
	</bean>

</beans>