linuxÏ»ñȡϵͳʱ¼äµÄ·½·¨http://os.51cto.com2009-11-1110:22chinaitlabchinaitlabÎÒÒªÆÀÂÛ()ÕªÒª£º±êÇ©£ºlinuxϵͳʱ¼ä²Ù×÷ϵͳOracle°ïÄú׼ȷ¶´²ì¸÷¸öÎïÁ÷»·½Ú¿ÉÒÔÓÃlocaltimeº¯Êý·Ö±ð»ñÈ¡ÄêÔÂÈÕʱ·ÖÃëµÄÊýÖµ¡£LinuxÏ»ñµÃϵͳʱ¼äµÄCÓïÑÔµÄʵÏÖ·½·¨£º1.¿ÉÒÔÓÃlocaltimeº¯Êý·Ö±ð»ñÈ¡ÄêÔÂÈÕʱ·ÖÃëµÄÊýÖµ¡£#include<time.h>//CÓïÑÔµÄÍ·Îļþ#include<stdio.h>//CÓïÑÔµÄI/Ovoidmain(){time_tnow;//ʵÀý»¯time_t½á¹¹structtm*timenow;//ʵÀý»¯tm½á¹¹Ö¸Õëtime(&now);//timeº¯Êý¶ÁÈ¡ÏÖÔÚµÄʱ¼ä(¹ú¼Ê±ê׼ʱ¼ä·Ç±±¾©Ê±¼ä)£¬È»ºó´«Öµ¸ønowtimenow=localtime(&now);//localtimeº¯Êý°Ñ´ÓtimeÈ¡µÃµÄʱ¼änow»»Ëã³ÉÄãµçÄÔÖеÄʱ¼ä(¾ÍÊÇÄãÉèÖõĵØÇø)printf("Localtimeis%s\n",asctime(timenow));//ÉϾäÖÐasctimeº¯Êý°Ñʱ¼äת»»³É×Ö·û£¬Í¨¹ýprintf()º¯ÊýÊä³ö}×¢ÊÍ£ºtime_tÊÇÒ»¸öÔÚtime.hÖж¨ÒåºÃµÄ½á¹¹Ìå¡£¶øtm½á¹¹ÌåµÄÔ­ÐÎÈçÏ£ºstructtm{inttm_sec;//seconds0-61inttm_min;//minutes1-59inttm_hour;//hours0-23inttm_mday;//dayofthemonth1-31inttm_mon;//monthssincejan0-11inttm_year;//yearsfrom1900inttm_wday;//dayssinceSunday,0-6inttm_yday;//dayssinceJan1,0-365inttm_isdst;//DaylightSavingtimeindicator};2.¶ÔijЩÐèÒª½Ï¸ß¾«×¼¶ÈµÄÐèÇó£¬LinuxÌṩÁËgettimeofday()¡£#include<stdio.h>#include<stdlib.h>#include<sys/time.h>intmain(intargc,char**argv){structtimstart,stop,diff;gettimeofday(&start,0);//×öÄãÒª×öµÄÊÂ...gettimeofday(&stop,0);tim_subtract(&diff,&start,&stop);printf("×ܼÆÓÃʱ:%dºÁÃë\n",diff.tv_usec);}inttim_subtract(structtim*result,structtim*x,structtim*y){intnsec;if(x->tv_sec>y->tv_sec)return-1;if((x->tv_sec==y->tv_sec)&&(x->tv_usec>y->tv_usec))return-1;result->tv_sec=(y->tv_sec-x->tv_sec);result->tv_usec=(y->tv_usec-x->tv_usec);if(result->tv_usec<0){result->tv_sec--;result->tv_usec+=1000000;}return0;}±¾ÎĽ²ÊöÈçºÎÔÚLinuxÃüÁîÐÐģʽÏÂÐÞ¸Äϵͳʱ¼äµÄ·½·¨¡£Ê¹ÓÃdateÃüÁî¿ÉÒÔÔÚLinuxÃüÁîÐÐģʽϲ鿴»òÐÞ¸ÄϵͳÈÕÆÚºÍʱ¼ä¡£date//ÏÔʾµ±Ç°ÈÕÆÚdate-s//ÉèÖõ±Ç°Ê±¼ä£¬Ö»ÓÐrootȨÏÞ²ÅÄÜÉèÖã¬ÆäËûÖ»Äܲ鿴¡£date-s20061010//ÉèÖóÉ20061010£¬