获取当前时间 并转为字符串

#include <cstdlib>

#include <iostream>

#include <time.h>

#include <stdio.h>

int main()

{

time_t nowtime = time(NULL);

struct tm newtime;

localtime_s(&newtime,&nowtime);

printf("now: %04d-%02d-%02d %02d:%02d:%02d\nunix time: %ld\n",

newtime.tm_year + 1900, newtime.tm_mon + 1, newtime.tm_mday,

newtime.tm_hour, newtime.tm_min, newtime.tm_sec, (long)nowtime);

return 0;

}