显示纯文本byte []作为byte [] [英] display plain text byte[] as byte[]

问题描述

嗨

不久前，我问了一个有关如何将byte []转换为看起来像0x3130353030330353032的字符串的问题.

解决方案是

Hi

I asked the question a while back on how to convert a byte[] to a string looking something like 0x3130353030353032.

The solution was

myTextBox.Text="0x";
foreach(byte b in array)
{
  myTextBox.Text += b.ToString("X2");
}

现在我想知道如何将字符串转换回字节[]

谢谢Advanced

now I would please like to know how would I convert that string back to a byte[]

Thanks in advanced

推荐答案

两个提示:

1)如您所知，一个字节使用两个十六进制数字表示为十六进制字符串.将您的字符串拆分为两位数的字符串数组；此数组的长度将为您提供应初始化的byte[]数组的长度.

2)要将字符串解析为字节，请使用byte.Parse(string, NumberStyles)和System.Globalization.NumberStyles.HexNumber.

参见:
http://msdn.microsoft.com/en-us/library/4eszwye3.aspx [ ^ ]，
http://msdn.microsoft.com/en-us/library/system.globalization. numberstyles.aspx [ ^ ].

—SA

Two hints:

1) As you should know, a byte takes two hexadecimal digits to be presented as a hexadecimal string. Split your string into the array of two-digit strings; the length of this array will give you the length of the byte[] array you should initialize.

2) To parse a string into byte, use byte.Parse(string, NumberStyles), use System.Globalization.NumberStyles.HexNumber.

See:
http://msdn.microsoft.com/en-us/library/4eszwye3.aspx[^],
http://msdn.microsoft.com/en-us/library/system.globalization.numberstyles.aspx[^].

—SA

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