表视图从 NSDictionary 加载，但不是按字母顺序加载
我对编程很陌生，但现在正在尝试使用表格视图应用程序。我使用了一些片段，但效果很好。我似乎不明白如何按字母顺序加载表视图，因为这看起来好多了。导航有四个级别，其中前两个是表格视图。所有数据都存储在带有字典的 plist 文件中。我包含了代码。我感觉我错过了一些非常明显的东西，但我似乎无法找出它是什么！谁能帮助我？预先感谢您的宝贵时间！
- (void)viewDidLoad {
// Create the table view data source array from the dictionary property
tableViewData = [[dataForCurrentLevel allKeys] retain];
I am quite new to programming, but now experimenting with a table view app. I used some snippets for it, but it works pretty well. What I can't seem to figure out is how I can load my table view alphabetically, because that looks a lot nicer. The navigation has four levels, from which the first two are table views. All the data is stored in a plist file with dictionaries. I Included the code. I have the feeling I am missing something very obvious, but I can't seem to find out what it is! Who can help me? Thanks in advance for your time!
- (void)viewDidLoad {
// Create the table view data source array from the dictionary property
tableViewData = [[dataForCurrentLevel allKeys] retain];
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请仔细阅读@VdesmedT 的回答。只需在将数组传递到表视图之前对其进行排序，如下所示：
Please read answer from @VdesmedT carefully. Just sort your array before passing it to the tableview like:
使用sortDescriptor对数组进行排序
Use sortDescriptor to sort the array
NSDictionaries 是哈希表，因此键实际上是使用其哈希值进行排序的。
例如，您需要使用
sortedArrayUsingSelector:对结果数组进行手动排序，但 NSArray 类中还有很多其他方法。NSDictionaries are hash tables so the keys are in fact sorted using their hashes.
You need to sort the resulting array manually using
sortedArrayUsingSelector:for example but there are a lot of other method in the NSArray class.