Aop @Around

package com.gwzx.gwzxyw.log.aop;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

@Aspect
@Component
public class TimeOperateLogAop {
    
    private Logger logger = LoggerFactory.getLogger(this.getClass());
    
    //声明AOP切入点，
    //1:凡是使用了@TimeOperateLogAop的方法均被拦截
    //@Pointcut("@annotation(com.gwzx.gwzxyw.log.annotation.TimeOperateLog)")
    //2:所有com.gwzx.gwzxyw.service包和所有子包里的任意类的任意方法的执行
    @Pointcut("execution(* com.gwzx.gwzxyw.service..*.*(..))")
    public void log() {
      //  System.out.println("我是一个切入点");
    }
    
    @Around("log()")
    public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
        long startTime = System.currentTimeMillis();  
        Object obj = null;
        //try {
            obj = pjp.proceed();
        /*} catch (Throwable e) {
            e.printStackTrace();
        } */
        long endTime = System.currentTimeMillis();
        MethodSignature signature = (MethodSignature) pjp.getSignature();
        String methodName = signature.getDeclaringTypeName() + "." + signature.getName();
        logger.info("方法:" + methodName + " 执行了 " + (endTime-startTime) + "ms");
        return obj;
    }
    
}