我的Objective-C源代码中如何避免Unicode字符？ [英] How do I escape a Unicode character in my Objective-C source code?

问题描述

我觉得这是非常愚蠢的，但文档和Google根本没有给我任何爱。

I feel incredibly stupid for asking this, but the documentation and Google are giving me no love at all.

我有一个Unicode字符，我想插入到我的iPhone应用程序的源代码中的字符串字面值。我知道它的十六进制值。什么是正确的转义序列使用？对于这个问题，我忽略了什么明显的信息来源呢？

I have a Unicode character I want to insert into a string literal in the source code of my iPhone app. I know its hex value. What is the proper escape sequence to use? And for that matter, what obvious source of information am I overlooking that would have told me this?

推荐答案

示例：

NSString *stuff = @"The Greek letter Beta looks like this: \u03b2, and the emoji for books looks like this: \U0001F4DA";

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