大油蛙

摘要： struct timeval sTime, eTime;gettimeofday(&sTime, NULL);……gettimeofday(&eTime, NULL);long exeTime = (eTime.tv_sec-sTime.tv_sec)*1000000+(eTime.tv_usec-sTime.tv_usec); //exeTime 单位是微秒在linux下需要include头文件 #include 阅读全文