如何转换ascii-string c#中的位序列

时间:2012-06-03 12:32:25

标签: c# string bit-manipulation

如何转换一串位,例如

  

0100100001100101011011000110110001101111001000000101011101101111011100100110110001100100

到一串ASCII字符,如:“Hello World”?

4 个答案:

答案 0 :(得分:3)

您需要将它们分成8个字符的字符串(字节),调用Convert.ToByte(str, 2),将它们放在byte[]中,然后调用Encoding.ASCII.GetString()

答案 1 :(得分:1)

此代码示例应该清楚:

String bits = "01001001000......0001100100"; // shortened here for demo purposes

byte[] bArr = new byte[bits.Length / 8];
for (int i = 0; i < bits.Length / 8; i++)
{
    String part = bits.Substring(i * 8, 8);
    bArr[i] += Convert.ToByte(part, 2);
}
System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
Console.WriteLine(encoding.GetString(bArr));

基本上将字符串拆分为偶数部分,将结果字节存储在字节数组中,然后以特定编码对其进行解析。

答案 2 :(得分:0)

public string GetBytesFromBinaryString(String binary)
{
    var list = new List<Byte>();

    for (int i = 0; i < binary.Length; i += 8)
    {
        String t = binary.Substring(i, 8);

        list.Add(Convert.ToByte(t, 2));
    }

    return Encoding.ASCII.GetString(list.ToArray());
}

试验:

var data = GetBytesFromBinaryString("0100100001100101011011000110110001101111001000000101011101101111011100100110110001100100");

输出:

  

“Hello World”

答案 3 :(得分:0)

使用此方法

private byte[] GetAsByteArray(string BinaryString)
{
        return Enumerable.Range(0, BinaryString.Length / 8)
            .Select(i => Convert.ToByte(BinaryString.Substring(i * 8, 8), 2)).ToArray();
}

然后将其称为

string binaryString = "0100100001100101011011000110110001101111001000000101011101101111011100100110110001100100";
string convertedText = System.Text.Encoding.ASCII.GetString(GetAsByteArray(binaryString));