Aspectj织入点语法:
1、execution(public * *(..)) 任何类的任何返回值的任何方法
2、execution(* set*(..)) 任何类的set开头的方法
3、execution(* com.xyz.service.AccountService.*(..)) 任何返回值的规定类里面的方法
4、execution(* com.xyz.service..*.*(..)) 任何返回值的,规定包或者规定包子包的任何类任何方法
Advise总结。举例说明:
1、举例:直接指定要织入的位置和逻辑
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//指定织入的方法。 @Before ( "execution(public * com.spring.service..*.*(..))" )
public void BeforeMethod(){
System.out.println( "method start!" );
}
@AfterReturning ( "execution(public * com.spring.service..*.*(..))" )
public void AfterMethod(){
System.out.println( "After returnning" );
}
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2、通过定义pointcut来指定:
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//定义pointcut织入点集合 @Pointcut ( "execution(public * com.spring.service..*.*(..))" )
public void MyMethod(){}
@Before ( "MyMethod()" )
public void BeforeMethod(){
System.out.println( "method start!" );
}
@AfterReturning ( "MyMethod()" )
public void AfterMethod(){
System.out.println( "After returnning" );
}
//执行前后都拦截。以pjp.proceed的方法分割开来
@Around ( "MyMethod()" )
public void aroundProcced(ProceedingJoinPoint pjp) throws Throwable{
System.out.println( "around start" );
pjp.proceed();
System.out.println( "around end" );
}
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输出结果:
method start!
around start
helloworld
After returnning
around end