汉字转换成拼音首位字母

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace getPinYin{ class Program { static void Main(string[] args) { Console.WriteLine(GetFirstPinyin("中央巡视组5")); Console.ReadKey(); } /// <summary> /// 在指定的字符串列表CnStr中检索符合拼音索引字符串 /// </summary> /// <param name="CnStr">汉字字符串</param> /// <returns>相对应的汉语拼音首字母串</returns> public static string GetFirstPinyin(string CnStr) { string strTemp = ""; int iLen = CnStr.Length; int i = 0; for (i = 0; i <= iLen - 1; i ) { strTemp = GetCharSpellCode(CnStr.Substring(i, 1)); } return strTemp; } /// <summary> /// 得到一个汉字的拼音第一个字母，如果是一个英文字母则直接返回大写字母 /// </summary> /// <param name="CnChar">单个汉字</param> /// <returns>单个大写字母</returns> private static string GetCharSpellCode(string CnChar) { long iCnChar; byte[] ZW = System.Text.Encoding.Default.GetBytes(CnChar); //如果是字母，则直接返回 if (ZW.Length == 1) { return CnChar.ToUpper(); } else { // get the array of byte from the single char int i1 = (short)(ZW[0]); int i2 = (short)(ZW[1]); iCnChar = i1 * 256 i2; } // iCnChar match the constant if ((iCnChar >= 45217) && (iCnChar <= 45252)) { return "A"; } else if ((iCnChar >= 45253) && (iCnChar <= 45760)) { return "B"; } else if ((iCnChar >= 45761) && (iCnChar <= 46317)) { return "C"; } else if ((iCnChar >= 46318) && (iCnChar <= 46825)) { return "D"; } else if ((iCnChar >= 46826) && (iCnChar <= 47009)) { return "E"; } else if ((iCnChar >= 47010) && (iCnChar <= 47296)) { return "F"; } else if ((iCnChar >= 47297) && (iCnChar <= 47613)) { return "G"; } else if ((iCnChar >= 47614) && (iCnChar <= 48118)) { return "H"; } else if ((iCnChar >= 48119) && (iCnChar <= 49061)) { return "J"; } else if ((iCnChar >= 49062) && (iCnChar <= 49323)) { return "K"; } else if ((iCnChar >= 49324) && (iCnChar <= 49895)) { return "L"; } else if ((iCnChar >= 49896) && (iCnChar <= 50370)) { return "M"; } else if ((iCnChar >= 50371) && (iCnChar <= 50613)) { return "N"; } else if ((iCnChar >= 50614) && (iCnChar <= 50621)) { return "O"; } else if ((iCnChar >= 50622) && (iCnChar <= 50905)) { return "P"; } else if ((iCnChar >= 50906) && (iCnChar <= 51386)) { return "Q"; } else if ((iCnChar >= 51387) && (iCnChar <= 51445)) { return "R"; } else if ((iCnChar >= 51446) && (iCnChar <= 52217)) { return "S"; } else if ((iCnChar >= 52218) && (iCnChar <= 52697)) { return "T"; } else if ((iCnChar >= 52698) && (iCnChar <= 52979)) { return "W"; } else if ((iCnChar >= 52980) && (iCnChar <= 53640)) { return "X"; } else if ((iCnChar >= 53689) && (iCnChar <= 54480)) { return "Y"; } else if ((iCnChar >= 54481) && (iCnChar <= 55289)) { return "Z"; } else return ("?"); } }}