C 时间转换时间戳
#include
#include
#include
#include
void help()
{
printf("\n");
printf("\n");
printf("TimeTOTimestamp \"date\" \"date format\"\n");
printf("For example:\n");
printf(" TimeTOTimestamp \"20170508\" \"%%Y%%m%%d\"\n");
printf("format infomation:\n");
printf(" %%a: Abbreviated weekday name---Thu\n");
printf(" %%A: Full weekday name---Thursday\n");
printf(" %%b: Abbreviated month name---Aug\n");
printf(" %%B: Full month name---August\n");
printf(" %%c: Date and Time representation---Thu Aug 23 14:55:01 2001\n");
printf(" %%C: Year divided by 100 and truncated to integer(00-99)---20\n");
printf(" %%d: Day of month,zero-padded(01-31)---23\n");
printf(" %%D: Shor MM/DD/YY,equivalent %%m/%%d/%%y---08/23/01\n");
printf(" %%e: Doy of month,space-padded(1-31)---23\n");
printf(" %%F: Short YYYY-MM-DD date,equivalent %%Y-%%m-%%d---2001-08-23\n");
printf(" %%g: Week base year,last two digits(00-99)---01\n");
printf(" %%G: Week base year---2001\n");
printf(" %%h: Abbreviated month name(same as %%b)---Aug\n");
printf(" %%H: Hour in 24h format(00-23)---14\n");
printf(" %%I: Hour in 12h format(01-12)---02\n");
printf(" %%j: Day of the year(001-366)---235\n");
printf(" %%m: Month as a decimal number(01-12)---08\n");
printf(" %%M: Minute(00-59)---55\n");
printf(" %%n: New line character(\'\\n\')\n");
printf(" %%p: AM or PM designation---PM\n");
printf(" %%r: 12-hour clock time---02:55:02 PM\n");
printf(" %%R: 24-hour HH:MM time,equivalent %%H:%%M---14:55\n");
printf(" %%S: Second(00-59)---02\n");
printf(" %%t: Horizental-tab character(\'\\t\')\n");
printf(" %%T: ISO 8601 time format(HH:MM:SS),equivalent %%H:%%M:%%S---14:55:02\n");
printf(" %%u: ISO 8601 weekday as number with Monday as 1(1-7)---4\n");
printf(" %%U: Week number with the first Sunday as the first day of week one(00-53)---33\n");
printf(" %%V: IOS 8601 week number(00-53)---34\n");
printf(" %%w: Weekday as decimal number with Sunday(0-6)---4\n");
printf(" %%W: Week number with the first Monday as the first day of week one (00-53)---34\n");
printf(" %%x: Date representation---08/23/01\n");
printf(" %%X: Time representation---14:55:02\n");
printf(" %%y: Year,last two digits(00-99)---01\n");
printf(" %%Y: Year---2001\n");
printf("\n");
printf("\n");
}
int main(int argc, const char * argv[]) {
int ret = 0;
struct tm * tmp_time = (struct tm *)malloc(sizeof(struct tm));
time_t tt;
if (argc < 3){
if (argc == 2) {
if (strcmp(argv[1],"--help") == 0) {
help();
goto End;
}else{
printf("The program need two parameters!!!\n");
goto End;
}
}
else{
printf("The program need two parameters!!!\n");
goto End;
}
}else if (argc > 3){
printf("The program just need two parameters!!!\n");
goto End;
}
memset(tmp_time, 0, sizeof(struct tm));
strptime(argv[1],argv[2],tmp_time);
tt = mktime(tmp_time);
printf("%ld\n",tt);
End:
if (tmp_time != NULL) {
free(tmp_time);
tmp_time = NULL;
}
return ret;
}
来自 “ ITPUB博客 ” ，链接：http://blog.itpub.net/28572479/viewspace-2138694/，如需转载，请注明出处，否则将追究法律责任。
转载于:http://blog.itpub.net/28572479/viewspace-2138694/