如何按字母顺序对 NSArray 进行排序? [英] How to sort a NSArray alphabetically?

问题描述

如何按字母顺序对填充了 [UIFont familyNames] 的数组进行排序?

How can I sort an array filled with [UIFont familyNames] into alphabetical order?

推荐答案

最简单的方法是，提供一个排序选择器(Apple 的文档 了解详情)

The simplest approach is, to provide a sort selector (Apple's documentation for details)

目标 C

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

迅捷

let descriptor: NSSortDescriptor = NSSortDescriptor(key: "YourKey", ascending: true, selector: "localizedCaseInsensitiveCompare:")
let sortedResults: NSArray = temparray.sortedArrayUsingDescriptors([descriptor])

<小时>

Apple 提供了几个用于字母排序的选择器:

---

Apple provides several selectors for alphabetic sorting:

• 比较:
• caseInsensitiveCompare:
• localizedCompare:
• localizedCaseInsensitiveCompare:
• localizedStandardCompare:

迅捷

var students = ["Kofi", "Abena", "Peter", "Kweku", "Akosua"]
students.sort()
print(students)
// Prints "["Abena", "Akosua", "Kofi", "Kweku", "Peter"]"

参考

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