像这样在UILabel中获取正常外观的Unicode向下箭头⬇ [英] Getting a normal looking unicode down arrow in a UILabel like this ⬇

问题描述

我想获得一个向下箭头以显示在UILabel中.特别是⬇Unicode:U + 2B07.这是列标题上的显示排序顺序.

I would like to get a down arrow to display inside a UILabel. Specifically ⬇ Unicode: U+2B07. This is show sort order on a column header.

我已经看到了显示unicode字符的代码，当我将其用于上面的符号时，它没有按预期显示，而是带有光泽的蓝色向下箭头.

I have seen the code to get unicode characters to display and when I use it for the symbol above it doesn't display as expected but rather comes up with a blue down arrow with gloss.

有人看过吗?

推荐答案

将某些字符显示为表情符号"是一种功能，例如(有争议)在此处进行了讨论: https://devforums.apple.com/message/487463#487463 (需要Apple Developer登录).此功能是iOS 6中引入的.

Displaying some characters as "Emojis" is a feature which is e.g. (controversially) discussed here: https://devforums.apple.com/message/487463#487463 (requires Apple Developer login). This feature was introduced in iOS 6.

一种解决方案(来自 https://stackoverflow.com/a/13836045/1187415 )是附加Unicode的变量选择器" U + FE0E，例如

A solution (from https://stackoverflow.com/a/13836045/1187415) is to append the Unicode "Variation selector" U+FE0E, e.g.

self.myLabel.text = @"\u2B07\uFE0E";
// or:
self.myLabel.text = @"⬇\uFE0E";

请注意，在iOS< = 5.x上，不需要使用Variation选择器，并且必须使用 ，因为iOS 5会将其显示为方框.

Note that on iOS <= 5.x, the Variation selector is not necessary and must not be used, because iOS 5 would display it as a box.

在 Swift 中应该是

myLabel.text = "⬇\u{FE0E}"

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