#include
<stdio.h>
#include
<stdlib.h>
#include
<time.h>
#include
<string.h>
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/