1           /// <summary>
 2         /// 从汉字转换到16进制
 3         /// </summary>
 4         /// <param name="s"></param>
 5         /// <returns></returns>
 6         public static string GetHexFromChs(string s)
 7         {
 8             if ((s.Length % 2) != 0)
 9             {
10                 s += " ";//空格
11                 //throw new ArgumentException("s is not valid chinese string!");
12             }
13
14             System.Text.Encoding chs = System.Text.Encoding.GetEncoding("gb2312");
15
16             byte[] bytes = chs.GetBytes(s);
17
18             string str = "";
19
20             for (int i = 0; i < bytes.Length; i++)
21             {
22                 str += string.Format("{0:X}", bytes[i]);
23             }
24
25             return str;
26         }
27         /// <summary>
28         /// 从16进制转换成汉字
29         /// </summary>
30         /// <param name="hex"></param>
31         /// <returns></returns>
32         public static string GetChsFromHex(string hex)
33         {
34             if (hex == null)
35                 throw new ArgumentNullException("hex");
36             if (hex.Length % 2 != 0)
37             {
38                 hex += "20";//空格
39                 //throw new ArgumentException("hex is not a valid number!", "hex");
40             }
41             // 需要将 hex 转换成 byte 数组。
42             byte[] bytes = new byte[hex.Length / 2];
43
44             for (int i = 0; i < bytes.Length; i++)
45             {
46                 try
47                 {
48                     // 每两个字符是一个 byte。
49                     bytes[i] = byte.Parse(hex.Substring(i * 2, 2),
50                         System.Globalization.NumberStyles.HexNumber);
51                 }
52                 catch
53                 {
54                     // Rethrow an exception with custom message.
55                     throw new ArgumentException("hex is not a valid hex number!", "hex");
56                 }
57             }
58
59             // 获得 GB2312，Chinese Simplified。
60             System.Text.Encoding chs = System.Text.Encoding.GetEncoding("gb2312");
61
62
63             return chs.GetString(bytes);
64         }