字符串转time_t

 1 #include<stdio.h>

 2 #include<time.h>

 3 #include <iostream>

 4 #include <time.h>

 5 #include <cstdio>

 6 using namespace std;

 7     time_t convert_string_to_time_t(const std::string & time_string)  

 8     {  

 9         struct tm tm1;  

10         time_t time1;  

11         sscanf(time_string.c_str(), "%d-%d-%d %d:%d:%d" ,&(tm1.tm_year), &(tm1.tm_mon),&(tm1.tm_mday),&(tm1.tm_hour), &(tm1.tm_min),&(tm1.tm_sec));

12                  

13         tm1.tm_year -= 1900;  

14        tm1.tm_mon --;  

15        tm1.tm_isdst=-1;  

16         time1 = mktime(&tm1);  

17       

18         return time1;  

19     }  

20     

21     int main(int argc, char *argv[])  

22 {  

23      std::string date_string("2010-11-20 18:08:01");  

24     time_t tmp_time;  

25     tmp_time = convert_string_to_time_t(date_string);  

26     cout<<tmp_time<<endl;

27     struct tm *p;  

28     p = localtime(&tmp_time);  

29     p->tm_year = p->tm_year + 1900;  

30     p->tm_mon = p->tm_mon + 1;                                                                                       

31     printf("date is %04d-%02d-%02d %02d:%02d:%02d\n", p->tm_year, p->tm_mon, p->tm_mday,p->tm_hour,p->tm_min,p->tm_sec);     

32 }  

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