在objective-c中创建现在为NSNumber的时间戳

Question

我怎样才能获得时间戳NSNumber？我只需要这样的东西:1232885280

Answer 1

NSTimeInterval timeStamp = [[NSDate date] timeIntervalSince1970];
// NSTimeInterval is defined as double
NSNumber *timeStampObj = [NSNumber numberWithDouble: timeStamp];