iOS 基础类解析 - NSDate
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NSDate Class Reference
Creating and Initializing Date Objects
+ date+ dateWithTimeIntervalSinceNow:+ dateWithTimeInterval:sinceDate:+ dateWithTimeIntervalSinceReferenceDate:+ dateWithTimeIntervalSince1970:– init– initWithTimeIntervalSinceNow:– initWithTimeInterval:sinceDate:– initWithTimeIntervalSinceReferenceDate:– initWithTimeIntervalSince1970:
Getting Temporal Boundaries
Comparing Dates
Getting Time Intervals
– timeIntervalSinceDate:– timeIntervalSinceNow+ timeIntervalSinceReferenceDate– timeIntervalSinceReferenceDate– timeIntervalSince1970
Adding a Time Interval
– dateByAddingTimeInterval:– addTimeInterval:Deprecated in iOS 4.0
Representing Dates as Strings
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