我如何在xcode中获取数组？ [英] How i can fetch array in xcode?

问题描述

如何获取字典的值而不是循环。我知道如何使用单个值：

How do I fetch the values of my dictionary not a loop. I know how to get a single value using:

NSString *valueStr = [dict objectForKey:@"Key2"];

我需要通过循环所有键来获取，我需要在字典中搜索一个值。

I need to fetch by looping all keys, I need to search a value in the dictionary.

推荐答案

因为看起来你正试图使用​​ NSDictionary 你想做这样的事情：

Since it looks like you are trying to use a NSDictionary you would want to do something like this:

for (NSString *key in [dict allKeys]){
    NSLog(@"%@", [dict objectForKey:key]);
}

或者如果您不想使用循环，您可以执行以下操作：

or if you dont want to use looping you can the following:

NSArray *keys = [dict allKeys];
NSArray *values = [dict allValues];

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