Cocoa - 来自 NSDate、NSCalendarDate 的本地化字符串 [英] Cocoa - Localized string from NSDate, NSCalendarDate

问题描述

我正在使用 NSDate 来获取诸如18 Jun 09"之类的字符串，代码:

I'm using NSDate to get a string such as "18 Jun 09", with code:

NSDate *theDate = [NSDate date];
NSString *dateString = [theDate descriptionWithCalendarFormat:@"%d %b %y"
        timeZone:nil
        locale: nil];

这可行，但只会产生英文输出.我需要将输出本地化为用户的默认语言.

This works, but only results in an English output. I need the output to be localized in the user's default language.

Cocoa(本例中为 Mac OS X 10.4、10.5)是否为这种本地化提供了便利，或者我是否必须为每天的每种情况手动本地化?月份命名我自己?

Does Cocoa (Mac OS X 10.4, 10.5 in this case) provide a facility for this localization or do I have to manually localize for each case of day and & month names my self?

(我提供了一个语言环境，但尽管它确实提供了特定于语言环境的日期排序，但它似乎没有对日月名称进行任何本地化.)

(I have provided a locale, but although that does provide a locale-specific ordering of the date, it does not appear to do any localization of day-month names.)

推荐答案

这里有一个 来自 Apple 的片段:

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

[dateFormatter setDateStyle:NSDateFormatterMediumStyle];

[dateFormatter setTimeStyle:NSDateFormatterNoStyle];

NSDate *date = [NSDate dateWithTimeIntervalSinceReferenceDate:118800];

NSString *formattedDateString = [dateFormatter stringFromDate:date];

NSLog(@"formattedDateString for locale %@: %@", [[dateFormatter locale] localeIdentifier], formattedDateString);

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