AOP切面测方法耗时

<bean id="timeAspect" class="com.demo.TimeCount"/>
<aop:config>
    <aop:pointcut id="allPointcut" expression="execution (* com.demo..*(..))"/>
    <aop:aspect order="99" ref="timeAspect">
        <aop:around method="aroundMethod" pointcut-ref="allPointcut"/>
    </aop:aspect>
</aop:config>

package com.demo;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.reflect.MethodSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

//@Aspect
//@Component
public class TimeCount {
    private static Logger logger = LoggerFactory.getLogger(TimeCount.class);
    private static long baseTime = System.currentTimeMillis();


    public Object aroundAopMethod(ProceedingJoinPoint joinPoint) {
        // 获取执行的方法名
        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        String methodName = signature.getDeclaringTypeName() + "." + signature.getName();

        // 定义返回对象、得到方法需要的参数
        Object obj = null;
        Object[] args = joinPoint.getArgs();

        long startTime = System.currentTimeMillis() - baseTime;
        System.out.println(methodName + " aop start at " + startTime);

        try {
            obj = joinPoint.proceed(args);
        } catch (Throwable e) {
            logger.error("统计某方法执行耗时环绕通知出错", e);
        }

        long endTime = System.currentTimeMillis() - baseTime;
        long diffTime = endTime - startTime;
        System.out.println(methodName + " aop finish at " + endTime + ", duration " + diffTime + "ms");

        return obj;
    }

    /**
     * 统计方法执行耗时Around环绕通知
     */
//    @Around("execution (* com.demo..*(..))")
    public Object aroundMethod(ProceedingJoinPoint joinPoint) {
        // 获取执行的方法名
        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        String methodName = signature.getDeclaringTypeName() + "." + signature.getName();

        // 定义返回对象、得到方法需要的参数
        Object obj = null;
        Object[] args = joinPoint.getArgs();

        long startTime = System.currentTimeMillis() - baseTime;
        System.out.println(methodName + " start at " + startTime);

        try {
            obj = joinPoint.proceed(args);
        } catch (Throwable e) {
            logger.error("统计某方法执行耗时环绕通知出错", e);
        }

        long endTime = System.currentTimeMillis() - baseTime;
        long diffTime = endTime - startTime;
        System.out.println(methodName + " finish at " + endTime + ", duration " + diffTime + "ms");

        return obj;
    }

    /**
     * 打印方法执行耗时的信息，如果超过了一定的时间，才打印
     */
    private void printExecTime(String methodName, long startTime, long endTime) {
    }
}

使用Spring AOP来统计方法的执行时间

版权属于：wshon

本文链接：https://blog.wshon.com/2020/12/aop-time.html

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