C#字符串转二进制、二进制转字符串

 1         private string StringToBinary(string str)
 2         {
 3             byte[] data = Encoding.Unicode.GetBytes(str);
 4             StringBuilder sb = new StringBuilder(data.Length*8);
 5             foreach (byte item in data)
 6             {
 7                 sb.Append(Convert.ToString(item,2).PadLeft(8,‘0‘));
 8             }
 9             return sb.ToString();
10         }

 1         private string BinaryToString(string str)
 2         {
 3             System.Text.RegularExpressions.CaptureCollection cs = System.Text.RegularExpressions.Regex.Match(str,@"([01]{8})+").Groups[1].Captures;
 4             byte[] data = new byte[cs.Count];
 5             for (int i = 0; i < cs.Count; i++)
 6             {
 7                 data[i] = Convert.ToByte(cs[i].Value,2);
 8             }
 9             return Encoding.Unicode.GetString(data,0,data.Length);
10         }