Spring aop 五种通知类型小结

package com.example.demo.module.aspect;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.Component;

@Component
@Aspect
public class AdviceTest {

    // 配置织入点
    @Pointcut("execution(public * com.example.demo.module.aspect.Test.*(..))")
    public void test(){

    }

    @Before("test()")
    public void doBefore(JoinPoint joinPoint){
        System.out.println(joinPoint.getSignature().getName() + "执行前置通知---");
    }

    @AfterReturning("test()")
    public void doAfterSuccess(JoinPoint joinPoint){
        System.out.println(joinPoint.getSignature().getName() + "执行返回通知---");
    }

    @AfterThrowing("test()")
    public void doAfterError(JoinPoint joinPoint){
        System.out.println(joinPoint.getSignature().getName() + "执行异常通知---");
    }

    @Around(value = "test()", argNames = "pjp")
    public Object doAround(ProceedingJoinPoint pjp) {
        Object[] args = pjp.getArgs();
        Object result;
        try {
        	// Before
            System.out.println(pjp.getSignature().getName() + "环绕前置通知---");
            result = pjp.proceed(args);
            // AfterReturning
            System.out.println(pjp.getSignature().getName() + "环绕返回通知---");
        }catch (Throwable e){
        	// AfterThrowing
            System.out.println(pjp.getSignature().getName() + "环绕异常通知---");
            throw new RuntimeException(e);
        }finally {
        	// After
            System.out.println(pjp.getSignature().getName() + "环绕最终通知---");
        }
        return result;
    }

    @After("test()")
    public void doAfter(JoinPoint joinPoint){
        System.out.println(joinPoint.getSignature().getName() + "执行最终通知---");
    }

}

package com.example.demo.module.aspect;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RequestMapping("test")
@RestController
public class Test {

    @GetMapping("testMethod")
    public void testMethod(){
        System.out.println("方法执行---");
    }

}

package com.example.demo.module.aspect;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RequestMapping("test")
@RestController
public class Test {

    @GetMapping("testMethod")
    public void testMethod(){
    	int i= 1/0;
        System.out.println("方法执行---");
    }

}