ASP.NET获取汉字首字母
1 /// <summary> 2 /// 获取汉字首字母(可包含多个汉字) 3 /// </summary> 4 /// <param name="strText"></param> 5 /// <returns></returns> 6 public string GetChineseSpell(string strText) 7 { 8 int len = strText.Length; 9 string myStr = ""; 10 for (int i = 0; i < len; i++) 11 { 12 myStr += getSpell(strText.Substring(i, 1)); 13 } 14 return myStr; 15 } 16 17 public string getSpell(string cnChar) 18 { 19 byte[] arrCN = Encoding.Default.GetBytes(cnChar); 20 if (arrCN.Length > 1) 21 { 22 int area = (short)arrCN[0]; 23 int pos = (short)arrCN[1]; 24 int code = (area << 8) + pos; 25 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 }; 26 for (int i = 0; i < 26; i++) 27 { 28 int max = 55290; 29 if (i != 25) max = areacode[i + 1]; 30 if (areacode[i] <= code && code < max) 31 { 32 return Encoding.Default.GetString(new byte[] { (byte)(65 + i) }); 33 } 34 } 35 return "*"; 36 } 37 else 38 return cnChar; 39 } 40 41 =============================================================================================== 42 /// <summary> 43 /// 获取第一个汉字的首字母,只能输入汉字 44 /// </summary> 45 /// <param name="c"></param> 46 /// <returns></returns> 47 public string GetPYChar(string c) 48 { 49 byte[] array = new byte[2]; 50 array = System.Text.Encoding.Default.GetBytes(c); 51 int i = (short)(array[0] - '\0') * 256 + ((short)(array[1] - '\0')); 52 if (i < 0xB0A1) return "*"; 53 if (i < 0xB0C5) return "A"; 54 if (i < 0xB2C1) return "B"; 55 if (i < 0xB4EE) return "C"; 56 if (i < 0xB6EA) return "D"; 57 if (i < 0xB7A2) return "E"; 58 if (i < 0xB8C1) return "F"; 59 if (i < 0xB9FE) return "G"; 60 if (i < 0xBBF7) return "H"; 61 if (i < 0xBFA6) return "J"; 62 if (i < 0xC0AC) return "K"; 63 if (i < 0xC2E8) return "L"; 64 if (i < 0xC4C3) return "M"; 65 if (i < 0xC5B6) return "N"; 66 if (i < 0xC5BE) return "O"; 67 if (i < 0xC6DA) return "P"; 68 if (i < 0xC8BB) return "Q"; 69 if (i < 0xC8F6) return "R"; 70 if (i < 0xCBFA) return "S"; 71 if (i < 0xCDDA) return "T"; 72 if (i < 0xCEF4) return "W"; 73 if (i < 0xD1B9) return "X"; 74 if (i < 0xD4D1) return "Y"; 75 if (i < 0xD7FA) return "Z"; 76 return "*"; 77 }