AOP拦截-使用切点:AspectJExpressionPointcut-切点语言

Spring/mySpringAopDemo/README.md

@@ -11,7 +11,8 @@ http://blog.csdn.net/qq_26525215/article/details/52412901
 http://blog.csdn.net/qq_26525215/article/details/52420658
 
 
-
+【框架】[Spring]AOP拦截-使用切点:AspectJExpressionPointcut-切点语言:
+http://blog.csdn.net/qq_26525215/article/details/52422395
 
 
 

Spring/mySpringAopDemo/src/cn/hncu/xmlImpl/aspectj/AroundAdvice.java

@@ -0,0 +1,15 @@
+package cn.hncu.xmlImpl.aspectj;
+
+import org.aopalliance.intercept.MethodInterceptor;
+import org.aopalliance.intercept.MethodInvocation;
+
+public class AroundAdvice implements MethodInterceptor{
+	@Override
+	public Object invoke(MethodInvocation invocation) throws Throwable {
+		System.out.println("前面拦截....");
+		Object resObj = invocation.proceed();//放行
+		System.out.println("后面拦截.....");
+		return resObj;
+	}
+
+}

Spring/mySpringAopDemo/src/cn/hncu/xmlImpl/aspectj/AspectjDemo.java

@@ -0,0 +1,57 @@
+package cn.hncu.xmlImpl.aspectj;
+
+import org.aopalliance.aop.Advice;
+import org.aopalliance.intercept.MethodInterceptor;
+import org.aopalliance.intercept.MethodInvocation;
+import org.junit.Test;
+import org.springframework.aop.Advisor;
+import org.springframework.aop.aspectj.AspectJExpressionPointcut;
+import org.springframework.aop.framework.ProxyFactoryBean;
+import org.springframework.aop.support.DefaultPointcutAdvisor;
+
+public class AspectjDemo {
+
+	@Test
+	public void demo(){
+
+		ProxyFactoryBean factory = new ProxyFactoryBean();
+		factory.setTarget(new Person());
+
+		//声明一个aspectj切点
+		AspectJExpressionPointcut cut = new AspectJExpressionPointcut();
+
+		//设置需要拦截的方法-用切点语言来写
+		cut.setExpression("execution( int cn.hncu.xmlImpl.aspectj.Person.run() )");//拦截:空参返回值为int的run方法
+		//cut.setExpression("execution( void cn.hncu.xmlImpl.aspectj.Person.*() )");//拦截:空参空返回值的任意方法
+		//cut.setExpression("execution (void cn.hncu.xmlImpl.aspectj.Person.*(String))");//拦截:只有1个String类型参数，空返回值的任意方法
+		//cut.setExpression("execution( void cn.hncu.xmlImpl.aspectj.Person.*(*) )");//拦截:有1个参数(类型不限)，空返回值的任意方法
+		//cut.setExpression("execution( void cn.hncu.xmlImpl.aspectj.Person.*(*,*) )");//拦截:有2个参数(类型不限)，空返回值的任意方法
+		//cut.setExpression("execution( void cn.hncu.xmlImpl.aspectj.Person.*(..) )");//拦截:任意(个数和类型)参数，空返回值的任意方法
+		//cut.setExpression("execution( int cn.hncu.xmlImpl.aspectj.Person.*(*,..) )");//拦截:至少有1个参数(类型不限)，返回值类型是int的任意方法
+		//cut.setExpression("execution( * cn.hncu.xmlImpl.aspectj.Person.*(*,..) )");//拦截:至少有1个参数(类型不限)，返回值类型任意的方法
+		//cut.setExpression("execution( * cn.hncu..*son.*(*,..) )");//拦截:cn.hncu包下，类名以"son"结束,至少有1个参数(类型不限)，返回值类型任意的方法
+
+		Advice advice = new MethodInterceptor() {
+			@Override
+			public Object invoke(MethodInvocation invocation) throws Throwable {
+				System.out.println("放行前拦截...");
+				Object obj = invocation.proceed();//放行
+				System.out.println("放行后拦截...");
+				return obj;
+			}
+		};
+
+		//切面=切点+通知
+		Advisor advisor = new DefaultPointcutAdvisor(cut,advice);
+		factory.addAdvisor(advisor);
+		Person p = (Person) factory.getObject();
+
+		p.run();
+		p.run(10);
+		p.say();
+		p.sayHi("Jack");
+		p.say("Tom", 666);
+	}
+
+
+}

Spring/mySpringAopDemo/src/cn/hncu/xmlImpl/aspectj/AspectjXmlDemo.java

@@ -0,0 +1,18 @@
+package cn.hncu.xmlImpl.aspectj;
+
+import org.junit.Test;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+public class AspectjXmlDemo {
+	@Test
+	public void demo1(){
+		ApplicationContext ctx = new ClassPathXmlApplicationContext("cn/hncu/xmlImpl/aspectj/aspectj.xml");
+		Person p = ctx.getBean(Person.class);
+		p.run();
+		p.run(10);
+		p.say();
+		p.sayHi("Jack");
+		p.say("Tom", 666);
+	}
+}

Spring/mySpringAopDemo/src/cn/hncu/xmlImpl/aspectj/Person.java

@@ -0,0 +1,24 @@
+package cn.hncu.xmlImpl.aspectj;
+
+public class Person {
+	public int run(){
+	   System.out.println("返回值为int-我在run...");
+	   return 0;
+	}
+
+   public void run(int i){
+	   System.out.println("我在run...<"+i+">");
+   }
+
+   public void say(){
+	   System.out.println("我在say...");
+   }
+   public void sayHi(String name){
+	   System.out.println("Hi,"+name+",你好");
+   }
+   public int say(String name, int i){
+	   System.out.println(name+ "----"+ i);
+	   return 0;
+   }
+
+}

Spring/mySpringAopDemo/src/cn/hncu/xmlImpl/aspectj/aspectj.xml

@@ -0,0 +1,28 @@
+<?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:tx="http://www.springframework.org/schema/tx"
+		xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
+				http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
+				http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">
+	<!-- 自动代理 -->
+	<bean class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator"></bean>
+
+	<bean id="p" class="cn.hncu.xmlImpl.aspectj.Person"></bean>
+
+	<!-- 切面=切点+通知 (把切点和通知写成内部bean)-->
+	<bean id="cut" class="org.springframework.aop.aspectj.AspectJExpressionPointcut">
+		<!-- 拦截:cn.hncu包下，类名以"son"结束,至少有1个参数(类型不限)，返回值类型任意的方法 -->
+	  <property name="expression" value="execution( * cn.hncu..*son.*(*,..) )"></property>	  
+	</bean>
+
+	<bean id="advisor" class="org.springframework.aop.support.DefaultPointcutAdvisor">
+	   <property name="pointcut" ref="cut"></property>
+	   <property name="advice">
+			<bean id="advice" class="cn.hncu.xmlImpl.aspectj.AroundAdvice"></bean>
+	   </property>
+	</bean>
+
+
+</beans>

Spring/mySpringAopDemo/src/cn/hncu/xmlImpl/aspectj/aspectj2.xml

@@ -0,0 +1,23 @@
+<?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:tx="http://www.springframework.org/schema/tx"
+		xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
+				http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
+				http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">
+
+	<!-- 自动代理 -->
+	<bean class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator"></bean>
+
+	<bean id="p" class="cn.hncu.xmlImpl.aspectj.Person"></bean>
+
+	<!-- 切面=切点+通知 (※※采用面向切点语言进行配置切面)-->
+	<bean id="advisor" class="org.springframework.aop.aspectj.AspectJExpressionPointcutAdvisor">
+	   <property name="expression" value="execution( * cn.hncu..*son.*(*,..) )"></property>
+	   <property name="advice">
+			<bean id="advice" class="cn.hncu.xmlImpl.aspectj.AroundAdvice"></bean>
+	   </property>
+	</bean>
+
+</beans>