#include <stdio.h>#include <time.h>int main(int argc,char **argv){    //两种时间的获取方法    struct timeval tv;    gettimeofday(&tv,NULL);    time_t t=time(0);    printf("%u---%u+++%u\n",tv.tv_sec,tv.tv_usec,t);    //时间格式转换    char tmp[64];    strftime(tmp,sizeof(tmp),"%Y%m%d%H%M%S\n",localtime(&t));    printf("%s",tmp);    return 0;}

#include <stdio.h>#include <time.h>int main(int argc, char* argv[]){    //windows没有timeval结构，当然也没有gettimeofday函数    //struct timeval tv;    //gettimeofday(&tv,NULL);        time_t t=time(0);    char tmp[64];    strftime(tmp,sizeof(tmp),"%Y%m%d-%H%M%S",localtime(&t));    printf("%s",tmp);        return 0;}