Question

“C#”如何把字符串转化为十六进制的ASCII码？

Answer 1

输入代码。

十六进制批量转ASCII，代码如下：

private void button1_Click(object sender,EventArgs e)

{

textBox2.Text= HexStringToASCII(textBox1.Text);

}
/// <summary>
/// 将一条十六进制字符串转换为ASCII
/// </summary>
/// <param name="hexstring">一条十六进制字符串</param>
/// <returns>返回一条ASCII码</returns>
public static string HexStringToASCII(string hexstring)
{
byte[] bt = HexStringToBinary(hexstring);
string lin = "";
for (int i = 0; i < bt.Length; i++)
{
lin = lin + bt[i] + " ";
}

string[] ss = lin.Trim().Split(new char[] { ' ' });
char[] c = new char[ss.Length];
int a;
for (int i = 0; i < c.Length; i++)
{
a = Convert.ToInt32(ss[i]);
c[i] = Convert.ToChar(a);
}

string b = new string(c);
return b;
}

/**/
/// <summary>
/// 16进制字符串转换为二进制数组
/// </summary>
/// <param name="hexstring">字符串每个字节之间都应该有空格，大多数的串口通讯资料上面的16进制都是字节之间都是用空格来分割的。</param>
/// <returns>返回一个二进制字符串</returns>
public static byte[] HexStringToBinary(string hexstring)
{

string[] tmpary = hexstring.Trim().Split(' ');
byte[] buff = new byte[tmpary.Length];
for (int i = 0; i < buff.Length; i++)
{
buff[i] = Convert.ToByte(tmpary[i], 16);
}
return buff;
}

比如输入：41 42 25

得到结果：AB%