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<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"

version="4.0">

<!-- 配置springMvc中央处理器-->

<servlet>

<servlet-name>springMVC</servlet-name>

<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

<!-- 初始化的时候配置加载springmvc的配置文件-->

<init-param>

<param-name>contextConfigLocation</param-name>

<param-value>classpath:spring-mvc.xml</param-value>

</init-param>

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

</servlet>

<!-- 3、修改web.xml中的请求路径地址方式-->

<servlet-mapping>

<servlet-name>springMVC</servlet-name>

<!-- 3、修改web.xml中的请求路径地址方式-->

<url-pattern>/</url-pattern>

<!-- <url-pattern>*.do</url-pattern>-->

</servlet-mapping>

<!--

1、将css文件使用默认处理方式进行处理，不再交由中央控制器处理，

设置路径的更高匹配优先级

-->

<!-- <servlet-mapping>-->

<!-- <servlet-name>default</servlet-name>-->

<!-- <url-pattern>*.css</url-pattern>-->

<!-- <url-pattern>*.js</url-pattern>-->

<!-- <url-pattern>*.jpg</url-pattern>-->

<!-- <url-pattern>*.png</url-pattern>-->

<!-- <url-pattern>*.html</url-pattern>-->

<!-- </servlet-mapping>-->

</web-app>

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<?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:context="http://www.springframework.org/schema/context"

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/context

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

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

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

<!--自动扫描包-->

<!-- 开启ioc 注解事务支持-->

<context:component-scan base-package="cn"></context:component-scan>

<!--开启spiring mvc注解支持-->

<mvc:annotation-driven></mvc:annotation-driven>

<!--配置spring 中的视图解析器-->

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

<property name="prefix" value="/"></property>

<property name="suffix" value=".jsp"></property>

</bean>

<mvc:interceptors>

<bean id="interceptor1" class="cn.hp.interceptor.TestInterceptor1"></bean>

<mvc:interceptor>

<mvc:mapping path="/**"/>

<bean id="interceptor1" class="cn.hp.interceptor.TestInterceptor1"></bean>

</mvc:interceptor>

<mvc:interceptor>

<mvc:mapping path="/test1.do"/>

<mvc:exclude-mapping path="/test2.do"/>

<bean id="interceptor2" class="cn.hp.interceptor.TestInterceptor2"></bean>

</mvc:interceptor>

</beans>

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package cn.hp.action;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.RequestMapping;

import javax.servlet.http.HttpSession;

@Controller

public class UserAction {

@RequestMapping("/test1.do")

public String test01(){

System.out.println("正在执行test1这个业务逻辑");

return "index";

}

@RequestMapping("/test2.do")

public String test02(){

System.out.println("正在执行test2这个业务逻辑");

return "index";

}

}

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package cn.hp.interceptor;

import org.springframework.web.servlet.HandlerInterceptor;

import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

public class TestInterceptor1 implements HandlerInterceptor {

@Override

public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

System.out.println("第一个拦截器，执行业务逻辑之前执行此方法");

return true;

}

@Override

public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

System.out.println("第一个拦截器，执行业务逻辑之后，视图渲染之前执行此方法");

}

@Override

public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

System.out.println("第一个拦截器，执行视图渲染之后执行此方法");

}

}

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package cn.hp.interceptor;

import org.springframework.web.servlet.HandlerInterceptor;

import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

public class TestInterceptor2 implements HandlerInterceptor {

@Override

public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

System.out.println("第二个拦截器，执行业务逻辑之前执行此方法");

return true;

}

@Override

public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

System.out.println("第二个拦截器，执行业务逻辑之后，视图渲染之前执行此方法");

}

@Override

public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

System.out.println("第二个拦截器，执行视图渲染之后执行此方法");

}

}