NSDate - 设定未来日期

Question

面对设置未来日期的一些问题.其实我试着这样做,

NSDate *date = [NSDate date] + MY_EXTRA_TIME;

Answer 1

那应该是,

NSTimeInterval MY_EXTRA_TIME = 10; // 10 Seconds
NSDate *futureDate = [[NSDate date] dateByAddingTimeInterval:MY_EXTRA_TIME];