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  • NSDateFormatter设定日期格式

     部分日期格式的总结:

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

    [dateFormatter setAMSymbol:@"AM"];

    [dateFormatter setPMSymbol:@"PM"];

    [dateFormatter setDateFormat:@"dd/MM/yyyy hh:mmaaa"];

    NSDate *date = [NSDate date];

    NSString * s = [dateFormatter stringFromDate:date];

    显示效果为:10/05/2010 03:49PM

    下面附上几个格式:这个是从Cocoachina找来的:

    yyyy:MM:dd G 'at' HH:mm:ss zzz            1996.07.10 AD at 15:08:56 PDT

    EEE, MMM d, "yy                                         Wed,july 10, '99

    h:mm a                                                     12:08 PM

    hh 'o"clock' a,zzzz                                      12 o'clock PM, Pacific Daylight Time

    K:mm a, z                                                 0:00 PM, PST

    yyyyy,MMMM.dd GGG hh:mm aaa                01996.july.10 AD 12:08 PM

    下面是得到当前的年,月,日,时,分,秒

    NSCalendar *cal = [NSCalendar currentCalendar];

    unsigned int unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;

    NSDateComponents *dd = [cal components:unitFlags fromDate:date];

    int y = [dd year];

    int m = [dd month];

    int d = [dd day];

    int h = [dd hour];

    int m = [dd minute];

    int s = [dd second];

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  • 原文地址:https://www.cnblogs.com/wengzilin/p/2400666.html
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