采用annotation的方式配置Spring的IOC和AOP

项目（包）列表：

 

 

<?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>

 

<?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>

 

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")
@Aspect
public 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
	@Autowired
	public 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 {

	@Test
	public 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：