新增aop依賴

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

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寫切面類

package com.mycompany.financial.nirvana.core.aspect;

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

import java.util.Arrays;

/**
 * 使用aop監控Mapper執行時間
 * Created by me on 2017/2/20.
 */
 

@Aspect
@Component
public class MapperAspect {
    private static final Logger logger = LoggerFactory.getLogger(MapperAspect.class);

    @AfterReturning("execution(* com.mycompany.financial.nirvana..*Mapper.*(..))")
    public void logServiceAccess(JoinPoint joinPoint) {
        logger.info("Completed: "
 
 + joinPoint);
    }


    /**
     * 監控com.caiyi.financial.nirvana..*Mapper包及其子包的所有public方法
     */
    @Pointcut("execution(* com.mycompany.financial.nirvana..*Mapper.*(..))")
    private void pointCutMethod() {
    }

    /**
     * 宣告環繞通知
     * @param pjp
     * @return
     * @throws Throwable
     */
    @Around("pointCutMethod()")
    public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
        long begin = System.nanoTime();
        Object obj = pjp.proceed();
        long end = System.nanoTime();

        logger.info("呼叫Mapper方法：{}，\n引數：{}，\n執行耗時：{}納秒，\r\n耗時：{}毫秒",
                pjp.getSignature().toString(), Arrays.toString(pjp.getArgs()),
                (end - begin), (end - begin) / 1000000);
        return obj;
    }
}

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