#include <time.h>
#include <stdio.h>
int main( void )
{
time_t t = time(0);
char tmp[64];
strftime( tmp, sizeof(tmp), "%Y-%m-%d %H:%M:%S",localtime(&t) );
puts( tmp );
return 0;
}
tmp是字符串
ofstream out;
out.open(tmp,ios::app);//就能创建一个tmp命名的文件
time_t nowtime = time(NULL);
struct tm *p;
p = gmtime(&nowtime);
char filename[256] = {0};
char timeinfo[256] = {0};
sprintf(filename,"%d-%d-%d.txt",1900+p->tm_year,1+p->tm_mon,p->tm_mday);
sprintf(timeinfo,"%d/%d/%d %d:%02d.txt\n",1900+p->tm_year,1+p->tm_mon,p->tm_mday,8+p->tm_hour,p->tm_min);
ofstream out(filename);
ofstream out2(timeinfo);