SpringBoot统计接口请求耗时的方法详解

@RequestMapping("/test")
public String test(){
    long startTime = System.currentTimeMillis();
    //此处的调用业务代码省略
    System.out.println("访问时间为："+(System.currentTimeMillis()-startTime));
    return "访问接口成功";
}

<!--aspectj-->
<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-aop</artifactId>
	<version>2.7.4</version>
</dependency>

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * 统计 方法/接口耗时 注解
 *
 * @author devcheng
 */
@Documented
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
public @interface CostTime {

}

import lombok.extern.slf4j.Slf4j;
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.springframework.stereotype.Component;

/**
 * 统计 方法/接口耗时 注解
 *
 * @author devcheng
 */
@Aspect
@Component
@Slf4j
public class CostTimeAspect {

    @Pointcut(value = "@annotation(net.devcheng.www.data.annotation.CostTime)")
    public void costTime() {
    }

    @Around("costTime()")
    public Object costTimeAround(ProceedingJoinPoint joinPoint) {
        Object obj = null;
        try {
            long beginTime = System.currentTimeMillis();
            obj = joinPoint.proceed();
            //获取方法名称
            String method = joinPoint.getSignature().getName();
            //获取类名称
            String className=joinPoint.getSignature().getDeclaringTypeName();
            //计算耗时
            long cost = System.currentTimeMillis() - beginTime;
            log.error("类:[{}]，方法:[{}] 接口耗时:[{}]", className,method, cost + "毫秒");
        } catch (Throwable throwable) {
            throwable.printStackTrace();
        }
        return obj;
    }

}

@GetMapping("/V4/getSignsPredictDetail")
@ResponseBody
@CostTime
public String getSignsPredictDetail(String name) {
    if (StringUtils.isEmpty(name)) {
        return "[]";
    }
    return cityBrain4Service.getSignsPredictDetailByName(name);
}

@Scheduled(cron = "55 */5 * * * ?")
@CostTime
public void scenesSignTask() {
    // 业务逻辑
}

2022-11-18 10:31:51.523 [http-nio-8886-exec-8] ERROR net.devcheng.www.data.config.CostTimeAspect Line:32  - 类:[net.devcheng.www.data.controller.SpecialInterfaceController]，方法:[getWeather] 接口耗时:[0毫秒]
2022-11-18 10:31:52.122 [http-nio-8886-exec-9] ERROR net.devcheng.www.data.config.CostTimeAspect Line:32  - 类:[net.devcheng.www.data.controller.SpecialInterfaceController]，方法:[getWeather] 接口耗时:[1毫秒]
2022-11-18 10:31:55.073 [http-nio-8886-exec-15] ERROR net.devcheng.www.data.config.CostTimeAspect Line:32  - 类:[net.devcheng.www.data.controller.CityBrain4Controller]，方法:[getScrollingMessages] 接口耗时:[2毫秒]
2022-11-18 10:31:55.076 [http-nio-8886-exec-3] ERROR net.devcheng.www.data.config.CostTimeAspect Line:32  - 类:[net.devcheng.www.data.controller.SpecialInterfaceController]，方法:[getWeather] 接口耗时:[1毫秒]