iOS 基础类解析 - NSDate

版权声明：本文为博主原创文章，未经博主同意不得转载。转载联系 QQ 30952589，加好友请注明来意。

https://blog.csdn.net/sleks/article/details/24863095

iOS 基础类解析 - NSDate

太阳火神的漂亮人生 (http://blog.csdn.net/opengl_es)

本文遵循“署名-非商业用途-保持一致”创作公用协议

转载请保留此句：太阳火神的漂亮人生 -  本博客专注于 敏捷开发及移动和物联设备研究：iOS、Android、Html5、Arduino、pcDuino，否则，出自本博客的文章拒绝转载或再转载，谢谢合作。

NSDate Class Reference

Inherits from	NSObject
Conforms to	NSCopying NSSecureCoding NSObject (NSObject)
Framework	/System/Library/Frameworks/Foundation.framework
Availability	Available in iOS 2.0 and later.
Declared in	NSDate.h
Companion guides	Date and Time Programming Guide Property List Programming Guide
Related sample code	MVCNetworking TableView Fundamentals for iOS TopSongs URLCache XMLPerformance

Creating and Initializing Date Objects

• + date
• + dateWithTimeIntervalSinceNow:
• + dateWithTimeInterval:sinceDate:
• + dateWithTimeIntervalSinceReferenceDate:
• + dateWithTimeIntervalSince1970:
• – init
• – initWithTimeIntervalSinceNow:
• – initWithTimeInterval:sinceDate:
• – initWithTimeIntervalSinceReferenceDate:
• – initWithTimeIntervalSince1970:

Getting Temporal Boundaries

• + distantFuture
• + distantPast

Comparing Dates

• – isEqualToDate:
• – earlierDate:
• – laterDate:
• – compare:

Getting Time Intervals

• – timeIntervalSinceDate:
• – timeIntervalSinceNow
• + timeIntervalSinceReferenceDate
• – timeIntervalSinceReferenceDate
• – timeIntervalSince1970

Adding a Time Interval

• – dateByAddingTimeInterval:
• – addTimeInterval: Deprecated in iOS 4.0

Representing Dates as Strings

• – description
• – descriptionWithLocale:

---

Copyright © 2013 Apple Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2013-09-18