#region 根据中文生成首字母(大写)

///

///根据中文生成首字母(大写)///

///

///

public static string GetPingying(stringstrString)

{string tempStr = "";//去掉字符串中的特殊符号

var str = Regex.Replace(strString, "[ \\[ \\] \\^ \\-_*×――(^)$%~!@#$…&%￥—+=<>《》!！??？:：•`·、。，；,.;\"‘’“”-]", "");foreach (char c instr)

{if ((int)c >= 33 && (int)c <= 126)

{//字母转换为大学

tempStr +=c.ToString().ToUpper();

}else{//累加拼音声母

tempStr +=GetCharSpellCode(c.ToString());

}

}returntempStr;

}///

///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///

/// 单个汉字

/// 单个大写字母

private static string GetCharSpellCode(stringCnChar)

{longiCnChar;byte[] ZW =System.Text.Encoding.Default.GetBytes(CnChar);//如果是字母，则直接返回首字母

if (ZW.Length == 1)

{return CnChar.ToUpper().Substring(0, 1);

}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 <= 53688))

{return "X";

}else if ((iCnChar >= 53689) && (iCnChar <= 54480))

{return "Y";

}else if ((iCnChar >= 54481) && (iCnChar <= 55289))

{return "Z";

}else

//return ("?");

return ("");

}#endregion