<?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" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.2.xsd"> </beans>
public interface HelloWorld
{
void printHelloWorld();
void doPrint();
}
public class HelloWorldImpl1 implements HelloWorld
{
public void printHelloWorld()
{
System.out.println("Enter HelloWorldImpl1.printHelloWorld()");
}
public void doPrint()
{
System.out.println("Enter HelloWorldImpl1.doPrint()");
return ;
}
}
public class HelloWorldImpl2 implements HelloWorld
{
public void printHelloWorld()
{
System.out.println("Enter HelloWorldImpl2.printHelloWorld()");
}
public void doPrint()
{
System.out.println("Enter HelloWorldImpl2.doPrint()");
return ;
}
}
public class TimeHandler
{
public void printTime()
{
System.out.println("CurrentTime = " + System.currentTimeMillis());
}
}
<?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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.2.xsd">
<bean id="helloWorldImpl1" class="com.xrq.aop.HelloWorldImpl1" />
<bean id="helloWorldImpl2" class="com.xrq.aop.HelloWorldImpl2" />
<bean id="timeHandler" class="com.xrq.aop.TimeHandler" />
<aop:config>
<aop:aspect id="time" ref="timeHandler">
<aop:pointcut id="addAllMethod" expression="execution(* com.xrq.aop.HelloWorld.*(..))" />
<aop:before method="printTime" pointcut-ref="addAllMethod" />
<aop:after method="printTime" pointcut-ref="addAllMethod" />
</aop:aspect>
</aop:config>
</beans>
public static void main(String[] args)
{
ApplicationContext ctx =
new ClassPathXmlApplicationContext("aop.xml");
HelloWorld hw1 = (HelloWorld)ctx.getBean("helloWorldImpl1");
HelloWorld hw2 = (HelloWorld)ctx.getBean("helloWorldImpl2");
hw1.printHelloWorld();
System.out.println();
hw1.doPrint();
System.out.println();
hw2.printHelloWorld();
System.out.println();
hw2.doPrint();
}
CurrentTime = 1446129611993 Enter HelloWorldImpl1.printHelloWorld() CurrentTime = 1446129611993 CurrentTime = 1446129611994 Enter HelloWorldImpl1.doPrint() CurrentTime = 1446129611994 CurrentTime = 1446129611994 Enter HelloWorldImpl2.printHelloWorld() CurrentTime = 1446129611994 CurrentTime = 1446129611994 Enter HelloWorldImpl2.doPrint() CurrentTime = 1446129611994
public class LogHandler
{
public void LogBefore()
{
System.out.println("Log before method");
}
public void LogAfter()
{
System.out.println("Log after method");
}
}
<?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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.2.xsd">
<bean id="helloWorldImpl1" class="com.xrq.aop.HelloWorldImpl1" />
<bean id="helloWorldImpl2" class="com.xrq.aop.HelloWorldImpl2" />
<bean id="timeHandler" class="com.xrq.aop.TimeHandler" />
<bean id="logHandler" class="com.xrq.aop.LogHandler" />
<aop:config>
<aop:aspect id="time" ref="timeHandler" order="1">
<aop:pointcut id="addTime" expression="execution(* com.xrq.aop.HelloWorld.*(..))" />
<aop:before method="printTime" pointcut-ref="addTime" />
<aop:after method="printTime" pointcut-ref="addTime" />
</aop:aspect>
<aop:aspect id="log" ref="logHandler" order="2">
<aop:pointcut id="printLog" expression="execution(* com.xrq.aop.HelloWorld.*(..))" />
<aop:before method="LogBefore" pointcut-ref="printLog" />
<aop:after method="LogAfter" pointcut-ref="printLog" />
</aop:aspect>
</aop:config>
</beans>
CurrentTime = 1446130273734 Log before method Enter HelloWorldImpl1.printHelloWorld() Log after method CurrentTime = 1446130273735 CurrentTime = 1446130273736 Log before method Enter HelloWorldImpl1.doPrint() Log after method CurrentTime = 1446130273736 CurrentTime = 1446130273736 Log before method Enter HelloWorldImpl2.printHelloWorld() Log after method CurrentTime = 1446130273736 CurrentTime = 1446130273737 Log before method Enter HelloWorldImpl2.doPrint() Log after method CurrentTime = 1446130273737
<?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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.2.xsd">
<bean id="helloWorldImpl1" class="com.xrq.aop.HelloWorldImpl1" />
<bean id="helloWorldImpl2" class="com.xrq.aop.HelloWorldImpl2" />
<bean id="timeHandler" class="com.xrq.aop.TimeHandler" />
<bean id="logHandler" class="com.xrq.aop.LogHandler" />
<aop:config>
<aop:aspect id="time" ref="timeHandler" order="1">
<aop:pointcut id="addTime" expression="execution(* com.xrq.aop.HelloWorld.print*(..))" />
<aop:before method="printTime" pointcut-ref="addTime" />
<aop:after method="printTime" pointcut-ref="addTime" />
</aop:aspect>
<aop:aspect id="log" ref="logHandler" order="2">
<aop:pointcut id="printLog" expression="execution(* com.xrq.aop.HelloWorld.do*(..))" />
<aop:before method="LogBefore" pointcut-ref="printLog" />
<aop:after method="LogAfter" pointcut-ref="printLog" />
</aop:aspect>
</aop:config>
</beans>
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