ios - 检测时间是否以小时为单位的简单方法是什么？

Question

我在我的项目中使用 UIDatePickerView，timeInterval 一分钟。选择时间后，如果时间以小时为单位，那么我必须做一些事情。那么我如何检测用户是否选择了以小时为单位的时间？

Answer 1

Try this one , you can get hours between two date.

NSDate* date1 = someDate;
 NSDate* date2 = someOtherDate;
 NSTimeInterval distanceBetweenDates = [date1 timeIntervalSinceDate:date2];
 double secondsInAnHour = 3600;
 NSInteger hoursBetweenDates = distanceBetweenDates / secondsInAnHour;