10. Spring 面向切面

import org.aspectj.lang.annotation.*;

@Aspect
public class Notifier {
    @Before("execution(static void *..*.main(String[]))")
    public void before(){
        System.out.println("Application is running!");
    }

    @After("execution(static void *..*.main(String[]))")
    public void after(){
        System.out.println("execute end!");
    }

    @AfterReturning("execution(static void *..*.main(String[]))")
    public void afterReturning(){
        System.out.println("return end!");
    }

    @AfterThrowing("execution(static void *..*.main(String[]))")
    public void afterThrowing(){
        System.out.println("Exception");
    }
}

import org.aspectj.lang.annotation.*;

@Aspect
public class Notifier {

    @Pointcut("execution(static void *..*.main(String[]))")
    public void pointCup(){}

    @Before("pointCup()")
    public void before(){
        System.out.println("Application is running!");
    }

    @After("pointCup()")
    public void after(){
        System.out.println("execute end!");
    }

    @AfterReturning("pointCup()")
    public void afterReturning(){
        System.out.println("return end!");
    }

    @AfterThrowing("pointCup()")
    public void afterThrowing(){
        System.out.println("Exception");
    }
}