c++ 输出时间

 1 [root@GZMJ_Logic_2 1]# cat lys.cpp 
 2 #include "stdio.h"
 3 #include <iostream>
 4 #include<time.h>
 5 #include<stdlib.h>  
 6 #include   <fstream> 
 7 #include   <string> 
 8 #include<ctime>
 9 using namespace std;
10 int main ()
11 {
12 
13    for( ; ; )
14    {
15     time_t timep;
16         time (&timep);
17         //printf("%s", ctime(&timep));
18 
19     //time_t now_time;
20         //now_time = time(NULL);
21         usleep(3000000);
22 
23         ofstream   ofresult( "game.log",ios::app);
24         ofstream   ofresult_pid( "game.pid",ios::app); 
25     //cout<<"game ok"<<endl;
26     //ofresult<< ctime(&timep) <<" game "<<" ok "<<endl;
27     ofresult<< ctime(&timep)<<" game "<<" ok "<<endl;
28     ofresult_pid<<"51899"<<endl;
29     //ofresult<<" game "<<" ok "<<endl;
30     //ofresult<<"[ "<<now_time<<" ]"<<" game "<<" ok "<<endl;
31     //ofresult<<now_time<<endl;
32    }
33 
34 }

[root@GZMJ_Logic_2 1]# g++ lys.cpp -o lys
[root@GZMJ_Logic_2 1]# ./lys

原文地址:https://www.cnblogs.com/liuyoushui/p/6208863.html