how can I sort NSMutableDictionary with keys value?

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深忆病人
深忆病人 2020-12-15 10:03

I have a NSMutableDictionary with string keys and every key has its own array. I want to re-sort the dictionary with keys value alphabetically. How can I do thi

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  •  失恋的感觉
    2020-12-15 10:17

    A dictionary is unsorted by definition.

    For iterating over the keys in a specific order, you can sort an array containing the keys of the dictionary.

    NSArray *keys = [theDictionary allKeys];
    NSArray *sortedKeys = [keys sortedArrayUsingSelector:@selector(compareMethod:)];
    

    There are several other sorted... methods, e.g. sorting with a NSComparator. Have a look here.

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