Questions tagged «nsdictionary»

苹果公司Objective-C框架Cocoa的成员。NSDictionary对象管理键和值的关联。

9
NSDictionary中存在检查密钥
如何检查是否存在?: [[dataArray objectAtIndex:indexPathSet.row] valueForKey:@"SetEntries"] 我想知道此密钥是否存在。我怎样才能做到这一点? 非常感谢你 :) 编辑:dataArray中有对象。这些对象是NSDictionaries。


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