1.AOP的jar包依賴

 <!--aop的jar包依賴  -->
        <dependency> 
		 <groupId>org.aspectj</groupId>
		 <artifactId>aspectjweaver</artifactId>
		 <version>1.8.9</version> 
		</dependency>
		

2.beans.xml配置

(1)新增名稱空間

xmlns:aop="http://www.springframework.org/schema/aop"
 

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

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

<aop:aspectj-autoproxy/>

<?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:aop="http://www.springframework.org/schema/aop"
    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/aop
 		http://www.springframework.org/schema/aop/spring-aop.xsd
        ">

	<!-- 配置掃描器   掃描包的範圍    不代表該範圍下所有的bean都被例項化,需要藉助註解配合使用-->
	<context:component-scan base-package="com.shsxt"></context:component-scan>
	<context:annotation-config />
	<!--開啟代理標識,在程式執行期,動態建立目標物件代理物件  -->
	<aop:aspectj-autoproxy/>
	
	
	
    


</beans>
 

package com.yonyou.aop;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.After;
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;

/**
 * @author Administrator
 *
 */
@Component
//切面註解
@Aspect
public class LogCut {
	//切入點註解
	@Pointcut("execution(* com.yonyou.service..*.*(..))")
	public void cut(){}
	
	//目標類方法執行前執行該方法
	@Before(value="cut()")
	public void before(){
		System.out.println("目標類方法執行前執行該方法........");
	}
	
	@AfterReturning(value="cut()")
	public void afterReturn(){
		System.out.println("方法正常結束後執行該輸出");
	}
	
	@After(value="cut()")
	public void after(){
		System.out.println("最終通知,方法無論是否發生異常,都會執行該輸出");
	}
	
	@AfterThrowing(value="cut()", throwing="e")
	public void afterThrow(Exception e){
		System.out.println("如果方法執行發生異常,執行該輸出"+e);
	}
	
	@Around(value="cut()")
	public Object around(ProceedingJoinPoint pjp){
		Object result=null;
		System.out.println("環繞通知---前置通知");
		try {
			Object[] params=pjp.getArgs();//獲取方法引數
			if(null!=params||params.length>0){
				for (Object object : params) {
					System.out.println(object.toString());
				}
			}
			System.out.println("方法簽名:"+pjp.getSignature());//獲取方法簽名
			System.out.println("目標類"+pjp.getTarget());//目標類
			result=pjp.proceed();//執行目標物件的方法
			System.out.println("環繞通知---後置通知");
		} catch (Throwable e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}finally{
			System.out.println("環繞通知---最終通知");
		}
		return  result;
		
	}

}