std::tm
Defined in header <ctime> | ? | ? |
|---|---|---|
struct tm; | ? | ? |
结构，该结构保存日历日期和时间，并将其分解为其组件。
成员对象
int tm_sec | seconds after the minute – 0, 61 / 0, 60note 1 |
|---|---|
int tm_min | minutes after the hour – 0, 59 |
int tm_hour | hours since midnight – 0, 23 |
int tm_mday | day of the month – 1, 31 |
int tm_mon | months since January – 0, 11 |
int tm_year | years since 1900 (public member object) |
int tm_wday | days since Sunday – 0, 6 |
int tm_yday | days since January 1 – 0, 365 |
int tm_isdst | Daylight Saving Time flag. The value is positive if DST is in effect, zero if not and negative if no information is available (public member object) |
注记
- 距离允许一个积极的闰秒。同一分钟内的两个闰秒是不允许的，范围为0.61是C89引入的缺陷，C99%29修正了
另见
localtime | converts time since epoch to calendar time expressed as local time (function) |
|---|---|
gmtime | converts time since epoch to calendar time expressed as Universal Coordinated Time (function) |
c tm文件
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