普通字符串和16进制字符串相互转换

 1   #region 把16进制字符串转换成普通字符串
 2 
 3         private string HexStrToStr(string text)
 4         {
 5             string result = "";
 6             byte[] bytes = new byte[text.Length / 2];
 7             int i = 0, r = 0;
 8             while (i < text.Length)
 9             {
10                 bytes[r] = byte.Parse(text.Substring(i, 2), System.Globalization.NumberStyles.HexNumber);
11                 i += 2;
12                 r++;
13             }
14             result = Encoding.GetEncoding("GB2312").GetString(bytes);
15             return result;
16         }
17 
18         #endregion
19 
20         #region 把字符串转换成16进制字符串
21 
22         private string ChangeStrToHex(string text)
23         {
24             string result = string.Empty;
25             char[] chars = text.ToCharArray();
26             if (chars != null)
27             {
28                 foreach (char c in chars)
29                 {
30                     int letter = Convert.ToInt32(c);
31                     result += String.Format("{0:X}", letter);
32                 }
33             }
34             return result;
35         }
36 
37         #endregion