C# 汉字转拼音(全拼、首字母)的例子

  private void button1_Click(object sender, EventArgs e)
    {
 this.textBox2.Text = Hz2Py.Convert(this.textBox1.Text);
    }

汉字转拼音类：
   /// <summary>
    /// 汉字转拼音类
    /// </summary>
    public class Hz2Py
    {
 private static int[] pyValue = new int[]
  {
  -20319,-20317,-20304,-20295,-20292,-20283,-20265,-20257,-20242,-20230,-20051,-20036,
  -20032,-20026,-20002,-19990,-19986,-19982,-19976,-19805,-19784,-19775,-19774,-19763,
  -19756,-19751,-19746,-19741,-19739,-19728,-19725,-19715,-19540,-19531,-19525,-19515,
  -19500,-19484,-19479,-19467,-19289,-19288,-19281,-19275,-19270,-19263,-19261,-19249,
  -19243,-19242,-19238,-19235,-19227,-19224,-19218,-19212,-19038,-19023,-19018,-19006,
  -19003,-18996,-18977,-18961,-18952,-18783,-18774,-18773,-18763,-18756,-18741,-18735,
  -18731,-18722,-18710,-18697,-18696,-18526,-18518,-18501,-18490,-18478,-18463,-18448,
  -18447,-18446,-18239,-18237,-18231,-18220,-18211,-18201,-18184,-18183, -18181,-18012,
  -17997,-17988,-17970,-17964,-17961,-17950,-17947,-17931,-17928,-17922,-17759,-17752,
  -17733,-17730,-17721,-17703,-17701,-17697,-17692,-17683,-17676,-17496,-17487,-17482,
  -17468,-17454,-17433,-17427,-17417,-17202,-17185,-16983,-16970,-16942,-16915,-16733,
  -16708,-16706,-16689,-16664,-16657,-16647,-16474,-16470,-16465,-16459,-16452,-16448,
  -16433,-16429,-16427,-16423,-16419,-16412,-16407,-16403,-16401,-16393,-16220,-16216,
  -16212,-16205,-16202,-16187,-16180,-16171,-16169,-16158,-16155,-15959,-15958,-15944,
  -15933,-15920,-15915,-15903,-15889,-15878,-15707,-15701,-15681,-15667,-15661,-15659,
  -15652,-15640,-15631,-15625,-15454,-15448,-15436,-15435,-15419,-15416,-15408,-15394,
  -15385,-15377,-15375,-15369,-15363,-15362,-15183,-15180,-15165,-15158,-15153,-15150,
  -15149,-15144,-15143,-15141,-15140,-15139,-15128,-15121,-15119,-15117,-15110,-15109,
  -14941,-14937,-14933,-14930,-14929,-14928,-14926,-14922,-14921,-14914,-14908,-14902,
  -14894,-14889,-14882,-14873,-14871,-14857,-14678,-14674,-14670,-14668,-14663,-14654,
  -14645,-14630,-14594,-14429,-14407,-14399,-14384,-14379,-14368,-14355,-14353,-14345,
  -14170,-14159,-14151,-14149,-14145,-14140,-14137,-14135,-14125,-14123,-14122,-14112,
  -14109,-14099,-14097,-14094,-14092,-14090,-14087,-14083,-13917,-13914,-13910,-13907,
  -13906,-13905,-13896,-13894,-13878,-13870,-13859,-13847,-13831,-13658,-13611,-13601,
  -13406,-13404,-13400,-13398,-13395,-13391,-13387,-13383,-13367,-13359,-13356,-13343,
  -13340,-13329,-13326,-13318,-13147,-13138,-13120,-13107,-13096,-13095,-13091,-13076,
  -13068,-13063,-13060,-12888,-12875,-12871,-12860,-12858,-12852,-12849,-12838,-12831,
  -12829,-12812,-12802,-12607,-12597,-12594,-12585,-12556,-12359,-12346,-12320,-12300,
  -12120,-12099,-12089,-12074,-12067,-12058,-12039,-11867,-11861,-11847,-11831,-11798,
  -11781,-11604,-11589,-11536,-11358,-11340,-11339,-11324,-11303,-11097,-11077,-11067,
  -11055,-11052,-11045,-11041,-11038,-11024,-11020,-11019,-11018,-11014,-10838,-10832,
  -10815,-10800,-10790,-10780,-10764,-10587,-10544,-10533,-10519,-10331,-10329,-10328,
  -10322,-10315,-10309,-10307,-10296,-10281,-10274,-10270,-10262,-10260,-10256,-10254
  };
 private static string[] pyName = new string[]
  {
  "A","Ai","An","Ang","Ao","Ba","Bai","Ban","Bang","Bao","Bei","Ben",
  "Beng","Bi","Bian","Biao","Bie","Bin","Bing","Bo","Bu","Ba","Cai","Can",
  "Cang","Cao","Ce","Ceng","Cha","Chai","Chan","Chang","Chao","Che","Chen","Cheng",
  "Chi","Chong","Chou","Chu","Chuai","Chuan","Chuang","Chui","Chun","Chuo","Ci","Cong",
  "Cou","Cu","Cuan","Cui","Cun","Cuo","Da","Dai","Dan","Dang","Dao","De",
  "Deng","Di","Dian","Diao","Die","Ding","Diu","Dong","Dou","Du","Duan","Dui",
  "Dun","Duo","E","En","Er","Fa","Fan","Fang","Fei","Fen","Feng","Fo",
  "Fou","Fu","Ga","Gai","Gan","Gang","Gao","Ge","Gei","Gen","Geng","Gong",
  "Gou","Gu","Gua","Guai","Guan","Guang","Gui","Gun","Guo","Ha","Hai","Han",
  "Hang","Hao","He","Hei","Hen","Heng","Hong","Hou","Hu","Hua","Huai","Huan",
  "Huang","Hui","Hun","Huo","Ji","Jia","Jian","Jiang","Jiao","Jie","Jin","Jing",
  "Jiong","Jiu","Ju","Juan","Jue","Jun","Ka","Kai","Kan","Kang","Kao","Ke",
  "Ken","Keng","Kong","Kou","Ku","Kua","Kuai","Kuan","Kuang","Kui","Kun","Kuo",
  "La","Lai","Lan","Lang","Lao","Le","Lei","Leng","Li","Lia","Lian","Liang",
  "Liao","Lie","Lin","Ling","Liu","Long","Lou","Lu","Lv","Luan","Lue","Lun",
  "Luo","Ma","Mai","Man","Mang","Mao","Me","Mei","Men","Meng","Mi","Mian",
  "Miao","Mie","Min","Ming","Miu","Mo","Mou","Mu","Na","Nai","Nan","Nang",
  "Nao","Ne","Nei","Nen","Neng","Ni","Nian","Niang","Niao","Nie","Nin","Ning",
  "Niu","Nong","Nu","Nv","Nuan","Nue","Nuo","O","Ou","Pa","Pai","Pan",
  "Pang","Pao","Pei","Pen","Peng","Pi","Pian","Piao","Pie","Pin","Ping","Po",
  "Pu","Qi","Qia","Qian","Qiang","Qiao","Qie","Qin","Qing","Qiong","Qiu","Qu",
  "Quan","Que","Qun","Ran","Rang","Rao","Re","Ren","Reng","Ri","Rong","Rou",
  "Ru","Ruan","Rui","Run","Ruo","Sa","Sai","San","Sang","Sao","Se","Sen",
  "Seng","Sha","Shai","Shan","Shang","Shao","She","Shen","Sheng","Shi","Shou","Shu",
  "Shua","Shuai","Shuan","Shuang","Shui","Shun","Shuo","Si","Song","Sou","Su","Suan",
  "Sui","Sun","Suo","Ta","Tai","Tan","Tang","Tao","Te","Teng","Ti","Tian",
  "Tiao","Tie","Ting","Tong","Tou","Tu","Tuan","Tui","Tun","Tuo","Wa","Wai",
  "Wan","Wang","Wei","Wen","Weng","Wo","Wu","Xi","Xia","Xian","Xiang","Xiao",
  "Xie","Xin","Xing","Xiong","Xiu","Xu","Xuan","Xue","Xun","Ya","Yan","Yang",
  "Yao","Ye","Yi","Yin","Ying","Yo","Yong","You","Yu","Yuan","Yue","Yun",
  "Za", "Zai","Zan","Zang","Zao","Ze","Zei","Zen","Zeng","Zha","Zhai","Zhan",
  "Zhang","Zhao","Zhe","Zhen","Zheng","Zhi","Zhong","Zhou","Zhu","Zhua","Zhuai","Zhuan",
  "Zhuang","Zhui","Zhun","Zhuo","Zi","Zong","Zou","Zu","Zuan","Zui","Zun","Zuo"
  };
 /// <summary>
 /// 把汉字转换成拼音(全拼)
 /// </summary>
 /// <param name="hzString">汉字字符串</param>
 /// <returns>转换后的拼音(全拼)字符串</returns>
 public static string Convert(string hzString)
 {
     // 匹配中文字符
     Regex regex = new Regex("^[u4e00-u9fa5]$");
     byte[] array = new byte[2];
     string pyString = "";
     int chrAsc = 0;
     int i1 = 0;
     int i2 = 0;
     char[] noWChar = hzString.ToCharArray();
     for (int j = 0; j < noWChar.Length; j++)
     {
  // 中文字符
  if (regex.IsMatch(noWChar[j].ToString()))
  {
      array = System.Text.Encoding.Default.GetBytes(noWChar[j].ToString());
      i1 = (short)(array[0]);
      i2 = (short)(array[1]);
      chrAsc = i1 * 256 + i2 - 65536;
      if (chrAsc > 0 && chrAsc < 160)
      {
   pyString += noWChar[j];
      }
      else
      {
   // 修正部分文字
   if (chrAsc == -9254)  // 修正“圳”字
pyString += "Zhen";
   else
   {
for (int i = (pyValue.Length - 1); i >= 0; i--)
{
    if (pyValue[i] <= chrAsc)
    {
 pyString += pyName[i];
 break;
    }
}
   }
      }
  }
  // 非中文字符
  else
  {
      pyString += noWChar[j].ToString();
  }
     }
     return pyString;
 }
    }
 

///<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;
     }
     #region table   of   the   constant   list
     //expresstion
     //table   of   the   constant   list
     // 'A';    //45217..45252
     // 'B';    //45253..45760
     // 'C';    //45761..46317
     // 'D';    //46318..46825
     // 'E';    //46826..47009
     // 'F';    //47010..47296
     // 'G';    //47297..47613
     // 'H';    //47614..48118
     // 'J';    //48119..49061
     // 'K';    //49062..49323
     // 'L';    //49324..49895
     // 'M';    //49896..50370
     // 'N';    //50371..50613
     // 'O';    //50614..50621
     // 'P';    //50622..50905
     // 'Q';    //50906..51386
     // 'R';    //51387..51445
     // 'S';    //51446..52217
     // 'T';    //52218..52697
     //没有U,V
     // 'W';    //52698..52979
     // 'X';    //52980..53640
     // 'Y';    //53689..54480
     // 'Z';    //54481..55289
     #endregion
     //   iCnChar match     the   constant
     if ((iCnChar >= 45217) && (iCnChar <= 45252))
     { //www.jb200.com
  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 ("?");
 }