spring boot aop 记录方法执行时间代码示例

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

spring.aop.auto=true

@Component
@Aspect
public class LogAspect {
	private static final Log LOG = LogFactory.getLog(LogAspect.class);
	/**
   * 定义一个切入点.
   * 解释下：
   *
   * ~ 第一个 * 代表任意修饰符及任意返回值.
   * ~ 第二个 * 定义在web包或者子包
   * ~ 第三个 * 任意方法
   * ~ .. 匹配任意数量的参数.
   */
	@Pointcut("execution(* com.wedo.stream.service..*.*(..))")
	   public void logPointcut(){
	}
	@org.aspectj.lang.annotation.Around("logPointcut()")
	   public Object doAround(ProceedingJoinPoint joinPoint) throws Throwable{
		//  	 LOG.debug("logPointcut " + joinPoint + "\t");
		long start = System.currentTimeMillis();
		try {
			Object result = joinPoint.proceed();
			long end = System.currentTimeMillis();
			LOG.error("+++++around " + joinPoint + "\tUse time :
 " + (end - start) + " ms!");
			return result;
		}
		catch (Throwable e) {
			long end = System.currentTimeMillis();
			LOG.error("+++++around " + joinPoint + "\tUse time : 
" + (end - start) + " ms with exception : " + e.getMessage());
			throw e;
		}
	}
}

//这样是不对的
 public void doAround(ProceedingJoinPoint joinPoint){}