（一）将汉字转化成全拼
代码：
1 private void button1_Click(object sender, EventArgs e) 2 { 3 this.textBox2.Text = Hz2Py.Convert(this.textBox1.Text); 4 }
汉字转拼音类：
1 /// <summary> 2 /// 汉字转拼音类 3 /// </summary> 4 public class Hz2Py 5 { 6 private static int[] pyValue = new int[] 7 { 8 -20319,-20317,-20304,-20295,-20292,-20283,-20265,-20257,-20242,-20230,-20051,-20036, 9 -20032,-20026,-20002,-19990,-19986,-19982,-19976,-19805,-19784,-19775,-19774,-19763, 10 -19756,-19751,-19746,-19741,-19739,-19728,-19725,-19715,-19540,-19531,-19525,-19515, 11 -19500,-19484,-19479,-19467,-19289,-19288,-19281,-19275,-19270,-19263,-19261,-19249, 12 -19243,-19242,-19238,-19235,-19227,-19224,-19218,-19212,-19038,-19023,-19018,-19006, 13 -19003,-18996,-18977,-18961,-18952,-18783,-18774,-18773,-18763,-18756,-18741,-18735, 14 -18731,-18722,-18710,-18697,-18696,-18526,-18518,-18501,-18490,-18478,-18463,-18448, 15 -18447,-18446,-18239,-18237,-18231,-18220,-18211,-18201,-18184,-18183, -18181,-18012, 16 -17997,-17988,-17970,-17964,-17961,-17950,-17947,-17931,-17928,-17922,-17759,-17752, 17 -17733,-17730,-17721,-17703,-17701,-17697,-17692,-17683,-17676,-17496,-17487,-17482, 18 -17468,-17454,-17433,-17427,-17417,-17202,-17185,-16983,-16970,-16942,-16915,-16733, 19 -16708,-16706,-16689,-16664,-16657,-16647,-16474,-16470,-16465,-16459,-16452,-16448, 20 -16433,-16429,-16427,-16423,-16419,-16412,-16407,-16403,-16401,-16393,-16220,-16216, 21 -16212,-16205,-16202,-16187,-16180,-16171,-16169,-16158,-16155,-15959,-15958,-15944, 22 -15933,-15920,-15915,-15903,-15889,-15878,-15707,-15701,-15681,-15667,-15661,-15659, 23 -15652,-15640,-15631,-15625,-15454,-15448,-15436,-15435,-15419,-15416,-15408,-15394, 24 -15385,-15377,-15375,-15369,-15363,-15362,-15183,-15180,-15165,-15158,-15153,-15150, 25 -15149,-15144,-15143,-15141,-15140,-15139,-15128,-15121,-15119,-15117,-15110,-15109, 26 -14941,-14937,-14933,-14930,-14929,-14928,-14926,-14922,-14921,-14914,-14908,-14902, 27 -14894,-14889,-14882,-14873,-14871,-14857,-14678,-14674,-14670,-14668,-14663,-14654, 28 -14645,-14630,-14594,-14429,-14407,-14399,-14384,-14379,-14368,-14355,-14353,-14345, 29 -14170,-14159,-14151,-14149,-14145,-14140,-14137,-14135,-14125,-14123,-14122,-14112, 30 -14109,-14099,-14097,-14094,-14092,-14090,-14087,-14083,-13917,-13914,-13910,-13907, 31 -13906,-13905,-13896,-13894,-13878,-13870,-13859,-13847,-13831,-13658,-13611,-13601, 32 -13406,-13404,-13400,-13398,-13395,-13391,-13387,-13383,-13367,-13359,-13356,-13343, 33 -13340,-13329,-13326,-13318,-13147,-13138,-13120,-13107,-13096,-13095,-13091,-13076, 34 -13068,-13063,-13060,-12888,-12875,-12871,-12860,-12858,-12852,-12849,-12838,-12831, 35 -12829,-12812,-12802,-12607,-12597,-12594,-12585,-12556,-12359,-12346,-12320,-12300, 36 -12120,-12099,-12089,-12074,-12067,-12058,-12039,-11867,-11861,-11847,-11831,-11798, 37 -11781,-11604,-11589,-11536,-11358,-11340,-11339,-11324,-11303,-11097,-11077,-11067, 38 -11055,-11052,-11045,-11041,-11038,-11024,-11020,-11019,-11018,-11014,-10838,-10832, 39 -10815,-10800,-10790,-10780,-10764,-10587,-10544,-10533,-10519,-10331,-10329,-10328, 40 -10322,-10315,-10309,-10307,-10296,-10281,-10274,-10270,-10262,-10260,-10256,-10254 41 }; 42 43 private static string[] pyName = new string[] 44 { 45 "A","Ai","An","Ang","Ao","Ba","Bai","Ban","Bang","Bao","Bei","Ben", 46 "Beng","Bi","Bian","Biao","Bie","Bin","Bing","Bo","Bu","Ba","Cai","Can", 47 "Cang","Cao","Ce","Ceng","Cha","Chai","Chan","Chang","Chao","Che","Chen","Cheng", 48 "Chi","Chong","Chou","Chu","Chuai","Chuan","Chuang","Chui","Chun","Chuo","Ci","Cong", 49 "Cou","Cu","Cuan","Cui","Cun","Cuo","Da","Dai","Dan","Dang","Dao","De", 50 "Deng","Di","Dian","Diao","Die","Ding","Diu","Dong","Dou","Du","Duan","Dui", 51 "Dun","Duo","E","En","Er","Fa","Fan","Fang","Fei","Fen","Feng","Fo", 52 "Fou","Fu","Ga","Gai","Gan","Gang","Gao","Ge","Gei","Gen","Geng","Gong", 53 "Gou","Gu","Gua","Guai","Guan","Guang","Gui","Gun","Guo","Ha","Hai","Han", 54 "Hang","Hao","He","Hei","Hen","Heng","Hong","Hou","Hu","Hua","Huai","Huan", 55 "Huang","Hui","Hun","Huo","Ji","Jia","Jian","Jiang","Jiao","Jie","Jin","Jing", 56 "Jiong","Jiu","Ju","Juan","Jue","Jun","Ka","Kai","Kan","Kang","Kao","Ke", 57 "Ken","Keng","Kong","Kou","Ku","Kua","Kuai","Kuan","Kuang","Kui","Kun","Kuo", 58 "La","Lai","Lan","Lang","Lao","Le","Lei","Leng","Li","Lia","Lian","Liang", 59 "Liao","Lie","Lin","Ling","Liu","Long","Lou","Lu","Lv","Luan","Lue","Lun", 60 "Luo","Ma","Mai","Man","Mang","Mao","Me","Mei","Men","Meng","Mi","Mian", 61 "Miao","Mie","Min","Ming","Miu","Mo","Mou","Mu","Na","Nai","Nan","Nang", 62 "Nao","Ne","Nei","Nen","Neng","Ni","Nian","Niang","Niao","Nie","Nin","Ning", 63 "Niu","Nong","Nu","Nv","Nuan","Nue","Nuo","O","Ou","Pa","Pai","Pan", 64 "Pang","Pao","Pei","Pen","Peng","Pi","Pian","Piao","Pie","Pin","Ping","Po", 65 "Pu","Qi","Qia","Qian","Qiang","Qiao","Qie","Qin","Qing","Qiong","Qiu","Qu", 66 "Quan","Que","Qun","Ran","Rang","Rao","Re","Ren","Reng","Ri","Rong","Rou", 67 "Ru","Ruan","Rui","Run","Ruo","Sa","Sai","San","Sang","Sao","Se","Sen", 68 "Seng","Sha","Shai","Shan","Shang","Shao","She","Shen","Sheng","Shi","Shou","Shu", 69 "Shua","Shuai","Shuan","Shuang","Shui","Shun","Shuo","Si","Song","Sou","Su","Suan", 70 "Sui","Sun","Suo","Ta","Tai","Tan","Tang","Tao","Te","Teng","Ti","Tian", 71 "Tiao","Tie","Ting","Tong","Tou","Tu","Tuan","Tui","Tun","Tuo","Wa","Wai", 72 "Wan","Wang","Wei","Wen","Weng","Wo","Wu","Xi","Xia","Xian","Xiang","Xiao", 73 "Xie","Xin","Xing","Xiong","Xiu","Xu","Xuan","Xue","Xun","Ya","Yan","Yang", 74 "Yao","Ye","Yi","Yin","Ying","Yo","Yong","You","Yu","Yuan","Yue","Yun", 75 "Za", "Zai","Zan","Zang","Zao","Ze","Zei","Zen","Zeng","Zha","Zhai","Zhan", 76 "Zhang","Zhao","Zhe","Zhen","Zheng","Zhi","Zhong","Zhou","Zhu","Zhua","Zhuai","Zhuan", 77 "Zhuang","Zhui","Zhun","Zhuo","Zi","Zong","Zou","Zu","Zuan","Zui","Zun","Zuo" 78 }; 79 80 /// <summary> 81 /// 把汉字转换成拼音(全拼) 82 /// </summary> 83 /// <param name="hzString">汉字字符串</param> 84 /// <returns>转换后的拼音(全拼)字符串</returns> 85 public static string Convert(string hzString) 86 { 87 // 匹配中文字符 88 Regex regex = new Regex("^[u4e00-u9fa5]$"); 89 byte[] array = new byte[2]; 90 string pyString = ""; 91 int chrAsc = 0; 92 int i1 = 0; 93 int i2 = 0; 94 char[] noWChar = hzString.ToCharArray(); 95 96 for (int j = 0; j < noWChar.Length; j++) 97 { 98 // 中文字符 99 if (regex.IsMatch(noWChar[j].ToString())) 100 { 101 array = System.Text.Encoding.Default.GetBytes(noWChar[j].ToString()); 102 i1 = (short)(array[0]); 103 i2 = (short)(array[1]); 104 chrAsc = i1 * 256 + i2 - 65536; 105 if (chrAsc > 0 && chrAsc < 160) 106 { 107 pyString += noWChar[j]; 108 } 109 else 110 { 111 // 修正部分文字 112 if (chrAsc == -9254) // 修正“圳”字 113 pyString += "Zhen"; 114 else 115 { 116 for (int i = (pyValue.Length - 1); i >= 0; i--) 117 { 118 if (pyValue[i] <= chrAsc) 119 { 120 pyString += pyName[i]; 121 break; 122 } 123 } 124 } 125 } 126 } 127 // 非中文字符 128 else 129 { 130 pyString += noWChar[j].ToString(); 131 } 132 } 133 return pyString; 134 } 135 }
补充：一些生僻字转不了，比如：“睿”和“罡”字等。
（二）将汉字转化成首字母序列
1 return "M"; 2 3 } 4 5 6 7 else if ((iCnChar >= 50371) && (iCnChar <= 50613)) 8 9 { 10 11 return "N"; 12 13 } 14 15 else if ((iCnChar >= 50614) && (iCnChar <= 50621)) 16 17 { 18 19 return "O"; 20 21 } 22 23 else if ((iCnChar >= 50622) && (iCnChar <= 50905)) 24 25 { 26 27 return "P"; 28 29 } 30 31 else if ((iCnChar >= 50906) && (iCnChar <= .51386)) 32 33 { 34 35 return "Q"; 36 37 } 38 39 else if ((iCnChar >= 51387) && (iCnChar <= 51445)) 40 41 { 42 43 return "R"; 44 45 } 46 47 else if ((iCnChar >= 51446) && (iCnChar <= 52217)) 48 49 { 50 51 return "S"; 52 53 } 54 55 else if ((iCnChar >= 52218) && (iCnChar <= 52697)) 56 57 { 58 59 return "T"; 60 61 } 62 63 else if ((iCnChar >= 52698) && (iCnChar <= 52979)) 64 65 { 66 67 return "W"; 68 69 } 70 71 else if ((iCnChar >= 52980) && (iCnChar <= 53640)) 72 73 { 74 75 return "X"; 76 77 } 78 79 else if ((iCnChar >= 53689) && (iCnChar <= 54480)) 80 81 { 82 83 return "Y"; 84 85 } 86 87 else if ((iCnChar >= 54481) && (iCnChar <= 55289)) 88 89 { 90 91 return "Z"; 92 93 } 94 95 else return ("?"); 96 97 }