qi
std::string time_now() {
time_t t = time(0);
char tmp[64];
strftime(tmp, sizeof(time), "%Y%m%dT%H%M%S", localtime(&t));
return tmp;
}
re
1.
http://www.cplusplus.com/reference/ctime/strftime/
2.
http://man7.org/linux/man-pages/man3/strftime.3.html
end
原文：https://www.cnblogs.com/happyamyhope/p/12092808.html