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ASP.NET获取汉字拼音的首字母

Posted on 2010-06-30 16:09  ykhi  阅读(3094)  评论(6)    收藏  举报

ASP.NET获取汉字拼音的首字母

代码 
 1 #region GetChineseSpell获取汉字拼音的第一个字母
 2         //获取汉字拼音的第一个字母
 3          static public string GetChineseSpell(string strText)
 4         {
 5             int len = strText.Length;
 6             string myStr = "";
 7             for (int i = 0; i < len; i++)
 8             {
 9                 myStr += getSpell(strText.Substring(i, 1));
10             }
11             return myStr;
12         }
13 
14         static public string[] GetChineseSpell(string[] strText)
15         {
16             int len = strText.Length;
17             string[] myStr = null;
18             for (int i = 0; i < len; i++)
19             {
20                 myStr[i] = getSpell(strText[i]);
21             }
22             return myStr;
23         }
24 
25         static public string getSpell(string cnChar)
26         {
27             byte[] arrCN = Encoding.Default.GetBytes(cnChar);
28             if (arrCN.Length > 1)
29             {
30                 int area = (short)arrCN[0];
31                 int pos = (short)arrCN[1];
32                 int code = (area << 8) + pos;
33                 int[] areacode = { 45217, 45253, 45761, 46318, 46826, 47010, 47297, 47614, 48119, 48119, 49062, 49324, 49896, 50371, 50614, 50622, 50906, 51387, 51446, 52218, 52698, 52698, 52698, 52980, 53689, 54481 };
34                 for (int i = 0; i < 26; i++)
35                 {
36                     int max = 55290;
37                     if (i != 25) max = areacode[i + 1];
38                     if (areacode[i] <= code && code < max)
39                     {
40                         return Encoding.Default.GetString(new byte[] { (byte)(65 + i) });
41                     }
42                 }
43                 return "*";
44             }
45             else return cnChar;
46         }
47         #endregion