spring 3.1.0.M 注解MVC + filter + AOP

导包

spring 3.1的包全导入 + commons-logging.jar + servlet-api.jar + aopalliance.jar + aspectjrt.jar + aspectjweaver.jar + cglib-nodep-2.1_3.jar

web,xml

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">  <display-name>springDemo</display-name>  <welcome-file-list>  <welcome-file>index.do</welcome-file>  </welcome-file-list>  <listener>    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  </listener>  <context-param>    <param-name>contextConfigLocation</param-name>    <param-value>/WEB-INF/demo.xml</param-value>  </context-param>  <servlet>    <servlet-name>springContent</servlet-name>    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>    <init-param>      <param-name>contextConfigLocation</param-name>      <param-value>/WEB-INF/demo.xml</param-value>    </init-param>  </servlet>  <servlet-mapping>    <servlet-name>springContent</servlet-name>    <url-pattern>*.do</url-pattern>  </servlet-mapping>  <filter>    <filter-name>DelegatingFilterProxy</filter-name>    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>    <init-param>      <param-name>targetBeanName</param-name>      <param-value>filter_saveuserinfo</param-value>    </init-param>    <init-param>      <param-name>targetFilterLifecycle</param-name>      <param-value>true</param-value>    </init-param>  </filter>  <filter-mapping>    <filter-name>DelegatingFilterProxy</filter-name>    <url-pattern>*.do</url-pattern>  </filter-mapping></web-app>

spring配置文件demo.xml

<?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:aop="http://www.springframework.org/schema/aop" xmlns:cache="http://www.springframework.org/schema/cache"xmlns:context="http://www.springframework.org/schema/context" xmlns:jdbc="http://www.springframework.org/schema/jdbc"xmlns:jee="http://www.springframework.org/schema/jee" xmlns:jms="http://www.springframework.org/schema/jms"xmlns:lang="http://www.springframework.org/schema/lang" xmlns:mvc="http://www.springframework.org/schema/mvc"xmlns:oxm="http://www.springframework.org/schema/oxm" xmlns:p="http://www.springframework.org/schema/p"xmlns:task="http://www.springframework.org/schema/task" xmlns:tx="http://www.springframework.org/schema/tx"xmlns:util="http://www.springframework.org/schema/util"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsdhttp://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache-3.1.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsdhttp://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsdhttp://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.1.xsdhttp://www.springframework.org/schema/jms http://www.springframework.org/schema/jms/spring-jms-3.1.xsdhttp://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang-3.1.xsdhttp://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsdhttp://www.springframework.org/schema/oxm http://www.springframework.org/schema/oxm/spring-oxm-3.1.xsdhttp://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.1.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsdhttp://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.1.xsd"><context:annotation-config /><context:component-scan base-package="com.netel" /><aop:aspectj-autoproxy /></beans>

controller

package com.netel.web;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;@Controllerpublic class Controller_index {@RequestMapping("/index.do")public String doit(){System.out.println("进入controller");return "index.jsp";}}

filter

package com.netel.web;import java.io.IOException;import javax.servlet.Filter;import javax.servlet.FilterChain;import javax.servlet.FilterConfig;import javax.servlet.ServletException;import javax.servlet.ServletRequest;import javax.servlet.ServletResponse;import org.springframework.stereotype.Component;@Component("filter_saveuserinfo")public class Filter_saveUserInfo implements Filter {    /**     * Default constructor.      */    public Filter_saveUserInfo() {    }/** * @see Filter#destroy() */public void destroy() {}/** * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain) */public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {System.out.println("进入filter");chain.doFilter(request, response);}/** * @see Filter#init(FilterConfig) */public void init(FilterConfig fConfig) throws ServletException {}}

AOP

package com.netel.service;import org.aspectj.lang.ProceedingJoinPoint;import org.aspectj.lang.annotation.After;import org.aspectj.lang.annotation.AfterThrowing;import org.aspectj.lang.annotation.Around;import org.aspectj.lang.annotation.Aspect;import org.aspectj.lang.annotation.Before;import org.springframework.stereotype.Component;@Aspect@Componentpublic class AOP_loginfo {/** * 所有带RequestMapping注解的方法 */private final static String el = "@annotation(org.springframework.web.bind.annotation.RequestMapping)";@Before(el)public void before() {System.out.println("执行之前");}@After(el)public void after() {System.out.println("执行之后");}@Around(el)public Object around(ProceedingJoinPoint p) {for (Object obj : p.getArgs()) {System.out.println("参数:" + obj);}Object ob = null;try {System.out.println("around前");ob = p.proceed();System.out.println("around后");} catch (Throwable e) {e.printStackTrace();}return ob;}@AfterThrowing(value = el, throwing="e")public void throwing(Exception e){System.out.println("出异常了"+e);}}

发布运行，控制台输出

进入filter执行之前around前进入controller执行之后around后