格雷戈里安人到希伯来语
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09-10-2019 - |
题
如何将Gregorian日期转换为同等的希伯来日期?另外,请告诉这些日历,因为我对这些日历没有太多了解。
解决方案
有一个方便的课堂叫 NSCalendar
. 。您可以创建这样的人:
NSCalendar * gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
NSCalendar * hebrew = [[NSCalendar alloc] initWithCalendarIdentifier:NSHebrewCalendar];
获得日历对象后,您可以使用它们将日期转换为各种表示:
NSDate * date = [NSDate date];
NSDateComponents * components = [gregorian components:NSUIntegerMax fromDate:date];
NSDate * hebrewDate = [hebrew dateFromComponents:components];
NSLog(@"date: %@", date);
NSLog(@"hebrew: %@", hebrewDate);
在我的机器上,这是记录:
date: 2011-01-09 23:20:39 -0800
hebrew: 1751-09-25 23:20:39 -0800
如果要将内容转换为更可读的格式,则使用 NSDateFormatter
:
NSDateFormatter * formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterLongStyle];
[formatter setTimeStyle:NSDateFormatterNoStyle];
[formatter setCalendar:gregorian]; //this is usually unnecessary; it's here for clarity
NSLog(@"date: %@", [formatter stringFromDate:date]);
[formatter setCalendar:hebrew];
NSLog(@"hebrew: %@", [formatter stringFromDate:hebrewDate]);
[formatter release];
这记录:
date: January 9, 2011
hebrew: Tishri 9, 2011
看来 NSDateFormatter
是否使用Gregorian日期,但至少它有正确的月份名称,对吗?
编辑
实际上,我愚弄了。如果您只是设置 NSDateFormatter
, ,您不必担心完全转换日期。看:
NSDateFormatter * formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterLongStyle];
[formatter setTimeStyle:NSDateFormatterNoStyle];
[formatter setCalendar:hebrew];
NSLog(@"hebrew: %@", [formatter stringFromDate:[NSDate date]]);
[formatter release];
这记录:
hebrew: Shevat 4, 5771
好多了!可可吗?
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