mha*_*per 11
根据Apple Docs for NSDate,有一种类方法:
+ (id)dateWithTimeIntervalSinceNow:(NSTimeInterval)seconds
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60秒/分钟*60分钟/小时*24小时/天*30天应该给你所需的秒数.
所以尝试:
NSDate *futureDate = [NSDate dateWithTimeIntervalSinceNow:60 * 60 * 24 * 30];
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你可以这样做:
NSDate *now = [NSDate date];
// now a NSDate object for now + 30 days
NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
NSDateComponents *offsetComponents = [[NSDateComponents alloc] init];
[offsetComponents setDay:30];
NSDate *endDate = [gregorian dateByAddingComponents:offsetComponents toDate:now options:0];
[offsetComponents release];
[gregorian release];
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