如何在NSMutableArray按字母顺序排序字符串？ [英] How can I sort strings in NSMutableArray into alphabetical order?

问题描述

我有一个 NSMutableArray 中的字符串列表，我想按字母顺序排序，然后在我的表视图中显示它们。

I have a list of strings in an NSMutableArray, and I want to sort them into alphabetical order before displaying them in my table view.

我如何做到这一点？

推荐答案

有以下Apple的工作示例， href =https://developer.apple.com/library/mac/documentation/Cocoa/Reference/Foundation/Classes/NSArray_Class/NSArray.html#//apple_ref/doc/uid/20000137-BABBHAGJ> sortedArrayUsingSelector： 和 localizedCaseInsensitiveCompare： .com / library / mac / documentation / Cocoa / Conceptual / Collections / Articles / Arrays.html＃// apple_ref / doc / uid / 20000132-SW8>集合文档：

There is the following Apple's working example, using sortedArrayUsingSelector: and localizedCaseInsensitiveCompare: in the Collections Documentation:

sortedArray = [anArray sortedArrayUsingSelector:
                       @selector(localizedCaseInsensitiveCompare:)];

请注意，这将返回一个新的排序数组。如果您要对 NSMutableArray 进行排序，请使用 sortUsingSelector： ，

Note that this will return a new sorted array. If you want to sort your NSMutableArray in place, then use sortUsingSelector: instead, like so:

[mutableArray sortUsingSelector:@selector(localizedCaseInsensitiveCompare:)];

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