1 dev-mini:cronc devone$ cat localtime.cpp
2 #include <time.h>
3 #include <cstdio>
4 #include <cstdlib>
5
6 int main(int argc, char *argv[])
7 {
8 time_t tNow =time(NULL);
9 time_t tEnd = tNow + 1800;
10
11 struct tm* ptm = localtime(&tNow);
12 struct tm* ptmEnd = localtime(&tEnd);
13
14 char szTmp[50] = {0};
15 strftime(szTmp,50,"%H:%M:%S",ptm);
16 char szEnd[50] = {0};
17 strftime(szEnd,50,"%H:%M:%S",ptmEnd);
18
19 printf("%s \n",szTmp);
20 printf("%s \n",szEnd);
21
22 return EXIT_SUCCESS;
23 }
24 dev-mini:cronc devone$ g++ -o localtime localtime.cpp
25 dev-mini:cronc devone$ ./localtime
26 14:34:37
27 14:34:37
28 dev-mini:cronc devone$
1 hzsx@hzsx-server:~/file/test$ cat localtime.cpp
2 #include <time.h>
3 #include <cstdio>
4 #include <cstdlib>
5
6 using namespace std;
7
8 int main(int argc, char *argv[])
9 {
10 time_t tNow =time(NULL);
11 time_t tEnd = tNow + 1800;
12
13 //struct tm* ptm = localtime(&tNow);
14 //struct tm* ptmEnd = localtime(&tEnd);
15 struct tm ptm = { 0 };
16 struct tm ptmEnd = { 0 };
17 localtime_r(&tNow, &ptm);
18 localtime_r(&tEnd, &ptmEnd);
19
20 char szTmp[50] = {0};
21 strftime(szTmp,50,"%H:%M:%S",&ptm);
22 char szEnd[50] = {0};
23 strftime(szEnd,50,"%H:%M:%S",&ptmEnd);
24 printf("%s \n",szTmp);
25 printf("%s \n",szEnd);
26
27 return EXIT_SUCCESS;
28 }
29 hzsx@hzsx-server:~/file/test$ g++ -o localtime localtime.cpp
30 hzsx@hzsx-server:~/file/test$ ./localtime
31 14:07:45
32 14:37:45
33 hzsx@hzsx-server:~/file/test$
1 #include <iostream>
2 #include <time.h>
3 #include <cstdlib>
4 #ifdef WIN32
5 #define LOCALTIME_R(tm,ti) localtime_s(tm,ti)
6 #else
7 #define LOCALTIME_R(tm,ti) localtime_r(ti,tm)
8 #endif
9 int main()
10 {
11 struct tm tmnow = {0};
12 time_t long_time;
13 time(&long_time);
14 LOCALTIME_R(&tmnow,&long_time);
15 char buftime[80];
16 strftime(buftime, 80, "time is : %Y-%m-%d %H:%M:%S", &tmnow);
17 std::cout << buftime << std::endl;
18 return EXIT_SUCCESS;
19 }
