采用annotation的方式配置Spring的IOC和AOP
项目（包）列表：
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<?xml version="1.0" encoding="UTF-8"?><web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"><!--spring 配置文件位置--><context-param><param-name>contextConfigLocation</param-name><param-value>classpath:spring.xml</param-value></context-param><!--spring 监听器--><listener><description>spring监听器</description><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list></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:aop="http://www.springframework.org/schema/aop"xmlns:tx="http://www.springframework.org/schema/tx" 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/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd "> <!-- 采用的annotation的方式进行AOP和 IOC --> <!-- 配置了component-scan可以移除 --> <context:annotation-config /> <!-- 启动对@AspectJ注解的支持 --><aop:aspectj-autoproxy /> <!-- 自动扫描包(自动注入) --><context:component-scan base-package="yingjun" /> </beans>
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package yingjun.aop;import org.aspectj.lang.ProceedingJoinPoint;import org.aspectj.lang.annotation.AfterReturning;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.aspectj.lang.annotation.Pointcut;import org.springframework.stereotype.Component;@Component("aop")@Aspectpublic class AopMethod {@Pointcut("execution( * yingjun.service..*.*(..))")public void myMethod(){}@Before("execution( * yingjun.service..*.*(..))")//表示yingjun.service下任何包下任何类任何返回值的任何方法public void beforeMethod(){System.out.println("before method...AOP！！！！");}@AfterReturning("myMethod()")public void AfterReturningMethod(){System.out.println("After Returning normal...AOP！！！！");}@AfterThrowing("myMethod()")public void AfterThrowing(){System.out.println("After Throwing...AOP！！！！");}@Around("myMethod()")public void Around(ProceedingJoinPoint pjp) throws Throwable{System.out.println("method around start！！！！");pjp.proceed();System.out.println("method around end！！！！");}}/*public class AopMethod {public void beforeMethod(){System.out.println("before method...AOP！！！！");}public void AfterReturningMethod(){System.out.println("After Returning normal...AOP！！！！");}public void AfterMethod(){System.out.println("After method...AOP！！！！");}public void AfterThrowing(){System.out.println("After Throwing...AOP！！！！");}}*/?
package yingjun.service;import yingjun.model.User;public interface UserServiceI {/*用户操作*/public void DoUser(User use);}?
package yingjun.service.impl;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Component;import yingjun.dao.UserDaoI;import yingjun.model.User;import yingjun.service.UserServiceI;@Component("userService")public class UserServiceImpl implements UserServiceI {private UserDaoI userdao;public void DoUser(User user) {userdao.SaveUser(user);}public UserDaoI getUserdao() {return userdao;}//@Autowired按byType自动注入,如果想用byName则使用@Qulifie，//而@Resource默认按name，name找不到，按类型@Autowiredpublic void setUserdao(UserDaoI userdao) {this.userdao = userdao;}}?
package yingjun.dao;import yingjun.model.User;public interface UserDaoI {public void AddUser(User user );public void DeleteUser(User user );public void SaveUser(User user );}?
package yingjun.dao.impl;import org.springframework.stereotype.Component;import org.springframework.stereotype.Repository;import yingjun.dao.UserDaoI;import yingjun.model.User;@Component("userdao")public class UserDaoImpl implements UserDaoI{public void AddUser(User user ) {System.out.println("增加用户成功");}public void DeleteUser(User user ) {System.out.println("删除用户成功");}public void SaveUser(User user ) {System.out.println("保存用户成功");}}?
package yingjun.model;public class User {private int id;private String name;public int getId() {return id;}public void setId(int id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}}?
package yingjun.test;import org.junit.Test;import org.springframework.context.ApplicationContext;import org.springframework.context.support.ClassPathXmlApplicationContext;import yingjun.model.User;import yingjun.service.UserServiceI;public class SpringTest {@Testpublic void springtest(){ApplicationContext ac=new ClassPathXmlApplicationContext("spring.xml");UserServiceI us=(UserServiceI)ac.getBean("userService");User user=new User();us.DoUser(user);}}??运行结果：
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