C#-如何将字符串转换为char? [英] C# - How to convert string to char?

问题描述

我是C#的初学者，我想知道如何将字符串转换为char，特别是将string[]转换为char[].我尝试了ToCharArray()，但是随后出现一个错误消息，说它不存在. Convert.ToChar(<char here>)给我一个错误提示

I am a beginner in C# and I would like to know how to convert strings to chars, specifically string[] to char[]. I tried ToCharArray(), but I then I got an error saying that it doesn't exist. Convert.ToChar(<char here>) gives me a error saying

无法从"char"转换为"System.Array"

cannot convert from "char" to "System.Array"

推荐答案

使用:

string str = "Hello";
char[] characters = str.ToCharArray();

如果您只有一个字符串，也可以尝试

If you have a single character string, You can also try

string str = "A";
char character = char.Parse(str);    

//OR 
string str = "A";
char character = str.ToCharArray()[0];

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