第二百九十三天 how can I 坚持

  总感觉怪怪的,换了个领导,好烦,虽然对我没用影响。

  其实,还是智商低,不懂人情世故,就像。。。算了,不说了,只能当自己傻。

  最近好冷啊,十年不遇的寒冬。

  心情有些压抑。

  不玩游戏了,看了集康熙来了。小S啊。。最后一期。

  昨天看了二龙湖浩哥3,挺搞。

  没啥,一天天的,很快,就像一直在重复,必须做些改变,fordream,in heart。

  睡觉。

转载于:https://www.cnblogs.com/52-it/p/5146808.html

In Spring AOP (Aspect Oriented Programming), the `ProceedingJoinPoint` interface is a powerful tool that allows you to control method execution flow around the pointcut. The `before` advice in AOP is typically used when you want to perform some action before the target method is called. Here's an example of how you might use `before` and `proceedingJoinPoint`: ```java import org.aspectj.lang.JoinPoint; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Before; import org.springframework.stereotype.Component; @Aspect @Component public class LoggingAspect { @Before("execution(* com.example.service.MyService.*(..))") // Pointcut for methods in MyService public void logMethodCall(JoinPoint joinPoint) throws Throwable { // Before advice: Record the start time or log something before executing the method long startTime = System.currentTimeMillis(); System.out.println("Executing " + joinPoint.getSignature() + " ..."); // ProceedingJoinPoint is passed to access the target method ProceedingJoinPoint pjp = joinPoint.proceed(); try { // Method execution happens here pjp.proceed(); // Call the actual service method // After successful execution, record end time or log completion message long endTime = System.currentTimeMillis(); System.out.println("Completed " + joinPoint.getSignature() + " in " + (endTime - startTime) + "ms"); } catch (Exception e) { // Handle exceptions System.err.println("Error executing " + joinPoint.getSignature() + ": " + e.getMessage()); } } } ``` In this code snippet, we define an aspect that logs the start time of any method in the `MyService`. Then, using `proceedingJoinPoint`, we call the original method (`pjp.proceed()`) after logging. If an exception occurs during method execution, it is caught and handled within the `catch` block.
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