Spring的通知类型，切入表达式写法

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



    <!-- 配置目标对象（被增强对象） -->
    <bean id="productDao" class="com.spring4.demo3.ProductDaoImpl"></bean>

    <!-- 将切面类交给Spring管理 -->
    <bean id="myAspect" class="com.spring4.demo3.MyAspectXML">

    </bean>

    <!-- 通过Spring配置对目标类完成代理 -->
    <aop:config>

        <!-- 配置切入点，表达式配置哪些类的哪些方法需要进行增强,*代表任意返回值，...代表任意参数 -->
        <aop:pointcut expression="execution(* com.spring4.demo3.ProductDaoImpl.save(..))"
            id="pointcut1" />
        <aop:pointcut expression="execution(* com.spring4.demo3.ProductDaoImpl.delete(..))"
            id="pointcut2" />
        <aop:pointcut expression="execution(* com.spring4.demo3.ProductDaoImpl.update(..))"
            id="pointcut3" />
        <aop:pointcut expression="execution(* com.spring4.demo3.ProductDaoImpl.find(..))"
            id="pointcut4" />

        <!-- 配置切面 -->
        <aop:aspect ref="myAspect">
            
            <!-- 配置前置增强 -->
            <aop:before method="checkPri" pointcut-ref="pointcut1" />
            <!-- 配置后置增强,设置返回值为result -->
            <aop:after-returning method="log4j" pointcut-ref="pointcut2" returning="result" />
            <!-- 环绕通知 -->
            <aop:around method="around" pointcut-ref="pointcut3"/>
            <!-- 异常抛出通知,设置异常信息为ex -->
            <aop:after-throwing method="afterThtowing" pointcut-ref="pointcut4" throwing="ex"/>
            <!-- 最终通知 -->
            <aop:after method="after" pointcut-ref="pointcut4"/>
             
        </aop:aspect>

    </aop:config>

</beans>

 1 package com.itheima.spring.demo3;
 2 
 3 public class ProductDaoImpl implements ProductDao {
 4 
 5     @Override
 6     public void save() {
 7         System.out.println("保存商品");
 8     }
 9     @Override
10     public void update() {
11         System.out.println("修改商品");
12     }
13     @Override
14     public void find() {
15         System.out.println("查找商品");
16 //        int i = 1/0;
17     }
18     @Override
19     public String delete() {
20         System.out.println("删除商品");
21         return "赵洪";
22 
23     }
24 
25 }
26 
27 
28 package com.itheima.spring.demo3;
29 
30 import org.aspectj.lang.ProceedingJoinPoint;
31 
32 /**
33  * 切面：切入点和通知的组合
34  * @author 李腾
35  */
36 public class MyAspectXml {
37     /**
38      * 前置通知
39      * @param joinpoint
40      */
41     public void checkPri(){
42         System.out.println("权限校验=======");
43     }
44     /**
45      * 后置通知
46      */
47     public void writeLog(Object result){
48         System.out.println("日志记录======"+result);
49     }
50     /**
51      * 环绕通知
52      * @throws Throwable 
53      */
54     public Object aruond(ProceedingJoinPoint joinPoint) throws Throwable{
55         System.out.println("环绕通知=======");
56         Object obj = joinPoint.proceed();
57         System.out.println("环绕通知=======");
58         return obj;
59     }
60     /**
61      * 异常抛出通知
62      */
63     public void afterThrowing(Throwable ex){
64         System.out.println("异常抛出通知"+ex.getMessage());
65     }
66     /**
67      * 最终通知： 相当于finally代码块
68      */
69     public void after(){
70         System.out.println("最终通知=====");
71     }
72 }
73 
74 
75 package com.itheima.spring.demo3;
76 import javax.annotation.Resource;
77 
78 import org.junit.Test;
79 import org.junit.runner.RunWith;
80 import org.springframework.test.context.ContextConfiguration;
81 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
82 /**
83  *测试类
84  */
85 @RunWith(SpringJUnit4ClassRunner.class)
86 @ContextConfiguration("classpath:applicationContext.xml")
87 public class SpringDemo3 {
88     
89     @Resource(name="productDao")
90     private ProductDao productDao;
91     @Test
92     public void demo1(){
93         productDao.save();
94         productDao.update();
95         productDao.delete();
96         productDao.find();
97         
98     }
99 }