年月日,?周幾,?分秒,?代碼

NSDate?*date?=?[NSDate?date];

NSCalendar?*calendar?=?[NSCalendar?currentCalendar];

NSDateComponents?*comps;

//?年月日獲得

comps?=?[calendar?components:(NSYearCalendarUnit?|?NSMonthCalendarUnit?|?NSDayCalendarUnit)?

????????????????????????????????????????fromDate:date];

NSInteger?year?=?[comps?year];

NSInteger?month?=?[comps?month];

NSInteger?day?=?[comps?day];

NSLog(@"year:?%d?month:?%d,?day:?%d",?year,?month,?day);

//當前的時分秒獲得

comps?=?[calendar?components:(NSHourCalendarUnit?|?NSMinuteCalendarUnit?|?NSSecondCalendarUnit)

????????????????????????????????????????fromDate:date];

NSInteger?hour?=?[comps?hour];

NSInteger?minute?=?[comps?minute];

NSInteger?second?=?[comps?second];

NSLog(@"hour:?%d?minute:?%d?second:?%d",?hour,?minute,?second);

//?周幾和星期幾獲得

comps?=?[calendar?components:(NSWeekCalendarUnit?|?NSWeekdayCalendarUnit?|?NSWeekdayOrdinalCalendarUnit)

????????????????????????????????????????fromDate:date];

NSInteger?week?=?[comps?week];?//?今年的第幾周

NSInteger?weekday?=?[comps?weekday];?//?星期幾（注意，周日是“1”，周一是“2”。。。。）

NSInteger?weekdayOrdinal?=?[comps?weekdayOrdinal];?//?這個月的第幾周

NSLog(@"week:?%d?weekday:?%d?weekday?ordinal:?%d",?week,?weekday,?weekdayOrdinal);

NSDateFormatter?*dateFormatter?=?[[NSDateFormatter?alloc]init];

????????if(dateSwitch.on)

????????[dateFormatter?setDateFormat:@"dd-MMM-yyy,hh:mm:ss"];

????????else

????????[dateFormatter?setDateFormat:@"hh:mm:ss"];

????????labelTime.text?=?[dateFormatter?stringFromDate:[NSDate?date]];

????????labelTime.font?=?[UIFont?systemFontOfSize:fontSlider.value];

????????[dateFormatter?release];

教科書代碼?用?UISwitch??UISlider?控制大小?和顯示格式

總結

以上是生活随笔為你收集整理的实用代码－－－取得当前的年月日，当前的时分秒获得，周几和星期几获得的全部內容，希望文章能夠幫你解決所遇到的問題。

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