<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-aop</artifactId>
</dependency>

@Aspect
@Component
public class TimeAspect {
    //code
}

@Aspect
@Component
@Slf4j
public class TimeAspect {
    // 針對(duì) com.shawn.springboot03.service 包下所有的方法進(jìn)行編程，
    // * com.shawn.springboot03.service.*.*(..)) 為切入點(diǎn)表達(dá)式
    @Around("execution(* com.shawn.springboot03.service.*.*(..))")
    public Object recordTime(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
        long startTime=System.currentTimeMillis();
        // 切面對(duì)象，執(zhí)行具體的業(yè)務(wù)方法
        Object object = proceedingJoinPoint.proceed();
        long endTime=System.currentTimeMillis();
        log.info("方法耗時(shí)為{}ms",endTime-startTime);
        return object;
    }
}

@Aspect
@Component
@Slf4j
public class TestAspect {
    @Around("execution(* com.shawn.springboot03.service.impl.DeptServiceImpl.*(..))")
    public Object around(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
        //方法執(zhí)行前的業(yè)務(wù)邏輯
        //code..
        //執(zhí)行原始方法（即連接點(diǎn)），并且接收原始方法的返回值
        Object proceed = proceedingJoinPoint.proceed();
        //方法執(zhí)行后的業(yè)務(wù)邏輯
        //code..
        //返回原始方法的返回值
        return proceed;
    }
}

@Aspect
@Component
@Slf4j
public class TestAspect {
    @Before("execution(* com.shawn.springboot03.service.*.*(..))")
    public void before(){
        // 方法執(zhí)行前的業(yè)務(wù)邏輯
        //code..
    }
}

@Aspect
@Component
@Slf4j
public class TestAspect {
    @After("execution(* com.shawn.springboot03.service.*.*(..))")
    public void after(){
        // 方法執(zhí)行后的業(yè)務(wù)邏輯
        //code..
    }
}

@Aspect
@Component
@Slf4j
public class TestAspect {
    @AfterReturning("execution(* com.shawn.springboot03.service.*.*(..))")
    public void afterReturning(){
        //方法執(zhí)行完成的業(yè)務(wù)邏輯
        //code..
    }
}

@Aspect
@Component
@Slf4j
public class TestAspect {
    /**
     * 聲明一個(gè)空的方法體來定義切入點(diǎn)表達(dá)式
     * 使用 @Pointcut 注解來定義切入點(diǎn)表達(dá)式
     */
    @Pointcut("execution(* com.shawn.springboot03.service.impl.DeptServiceImpl.*(..))")
    private void point(){};
    @After("point()")
    public void after(){
        // 方法執(zhí)行后的業(yè)務(wù)邏輯
        //code..
    }
}

@Aspect
@Component
public class TestAspect {
    @Pointcut("@annotation(com.shawn.springboot03.annotation.OperationLog)")
    private void point(){};
    @AfterThrowing("point()")
    public void afterThrowing(){
        //方法執(zhí)行時(shí)拋出異常的業(yè)務(wù)邏輯
        //code..
    }
}

@Aspect
@Component
@Slf4j
@Order(3)
public class TestAspect {
    @Pointcut("execution(* com.shawn.springboot03.service.impl.DeptServiceImpl.*(..))")
    private void point(){};
    @After("point()")
    public void after(){
        // 方法執(zhí)行后的業(yè)務(wù)邏輯
        //code..
    }
}

@Aspect
@Component
@Slf4j
@Order(3)
public class TestAspect {
    @Pointcut("execution(* com.shawn.springboot03.service.impl.DeptServiceImpl.*(..))")
    private void point(){};
    @After("point()")
    public void after(){
        // 方法執(zhí)行后的業(yè)務(wù)邏輯
        //code..
    }
}

@Before ("execution(public void com.itheima.service.impl.DeptserviceImpl.delete (java.lang.Integer)) throws Exception")
private void point(){};

@Before ("execution(void delete (java.lang.Integer))")
private void point(){};

@Pointcut("@annotation(com.shawn.annotation.OperationLog)")
private void point(){};

@Around("point()")
public Object around(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
    //獲取目標(biāo)類名
    String name = proceedingJoinPoint.getTarget().getClass().getName();
    log.info("獲取目標(biāo)類名:"+name);
    //獲取方法執(zhí)行參數(shù)
    Object[] args = proceedingJoinPoint.getArgs();
    log.info("獲取方法執(zhí)行參數(shù):"+JSON.toJSONString(args));
    //獲取目標(biāo)方法名
    String methodName = proceedingJoinPoint.getSignature().getName();
    log.info("獲取目標(biāo)方法名:"+methodName);
    //執(zhí)行原始方法（即連接點(diǎn)），并且接收原始方法的返回值
    Object proceed = proceedingJoinPoint.proceed();
    //獲取方法的返回值
    log.info("獲取方法的返回值:"+JSON.toJSONString(proceed));
    //返回原始方法的返回值
    return proceed;
}

@Before("point()")
public void before(JoinPoint joinPoint){
    // 獲取目標(biāo)方法的類名
    String name = joinPoint.getTarget().getClass().getName();
    log.info("獲取目標(biāo)方法的類名："+name);
    String methodName = joinPoint.getSignature().getName();
    log.info("獲取目標(biāo)方法的方法名："+methodName);
    //獲取目標(biāo)方法的運(yùn)行參數(shù)
    Object[] args = joinPoint.getArgs();
    log.info("獲取目標(biāo)方法的參數(shù)："+JSON.toJSONString(args));
}

@AfterReturning(pointcut = "point()",returning = "object")
public void afterReturning(JoinPoint joinPoint, Object object){
    // 獲取目標(biāo)方法的類名
    String name = joinPoint.getTarget().getClass().getName();
    log.info("獲取目標(biāo)方法的類名："+name);
    String methodName = joinPoint.getSignature().getName();
    log.info("獲取目標(biāo)方法的方法名："+methodName);
    //獲取目標(biāo)方法的運(yùn)行參數(shù)
    Object[] args = joinPoint.getArgs();
    log.info("獲取目標(biāo)方法的參數(shù)："+JSON.toJSONString(args));
    //獲取方法返回值
    log.info("獲取方法返回值:"+JSON.toJSONString(object));
}