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linux下获取当前系统时间,代码如下:
void sysTime(void)
{
struct timeval tv;
struct timezone tz;
struct tm *t;
gettimeofday(&tv, &tz);
t = localtime(&tv.tv_sec);
printf("time_now:%d-%d-%d %d:%d:%d.%ld\n", 1900+t->tm_year, 1+t->tm_mon, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec, tv.tv_usec);
}