如何在 C# 中将字符串转换为 ascii 到二进制? [英] How do you convert a string to ascii to binary in C#?

问题描述

不久前(高中一年级)，我请一位非常优秀的 C++ 程序员，他是一名大三学生，制作了一个将字符串转换为二进制的简单应用程序.他给了我以下代码示例:

A while back (freshman year of high school) I asked a really good C++ programmer who was a junior to make a simple application to convert a string to binary. He gave me the following code sample:

void ToBinary(char* str)
{
    char* tempstr;
    int k = 0;

    tempstr = new char[90];

    while (str[k] != '')
    {
        itoa((int)str[k], tempstr, 2);
        cout << "
" << tempstr;
        k++;
    }

    delete[] tempstr;
}

所以我想我的问题是如何在 C# 中获得与 itoa 函数等效的函数?或者如果没有，我怎么能达到同样的效果?

So I guess my question is how do I get an equivalent to the itoa function in C#? Or if there is not one how could I achieve the same effect?

推荐答案

这在 C# 中很容易做到.

This is very easy to do with C#.

var str = "Hello world";

With LINQ
foreach (string letter in str.Select(c => Convert.ToString(c, 2)))
{
  Console.WriteLine(letter);
}

Pre-LINQ
foreach (char letter in str.ToCharArray())
{
  Console.WriteLine(Convert.ToString(letter, 2));
}

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