c# 汉字转换为拼音的类,含大小写转换   

因为是静态函数 调用方法很简单

CrazyCoderPinyin.Convert(“疯狂代码”);
      

代码如下:

using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
namespace CrazyCoder.Common
{
/// <summary>
    /// 汉字转拼音类
    /// by http://www.crazycoder.cn
    /// build Date 20030610
    /// </summary>
    public class CrazyCoderPinyin
    {
      
        /// <summary>
        /// 定义拼音区编码数组
        /// </summary>
        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
                };
        /// <summary>
        /// 定义数组
        /// </summary>
        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>
        /// 汉字转换
        /// by http://www.crazycoder.cn/
        /// </summary>
        /// <param name=”hzString”></param>
        /// <returns></returns>
        public static string Convert(string hzString)
        {
          
            return Convert(hzString, 10);
        }
        /// <summary>
        /// 把汉字转换成拼音(全拼)
        /// by http://www.crazycoder.cn/
        /// </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,int maxLength)
        {

            if (string.IsNullOrEmpty(hzString))
                return null;
            if (maxLength <= 1)
                maxLength = 10;
            hzString = hzString.Trim().Replace(” “, “”).Replace(“?”, “_”).Replace(“\\”,

“_”).Replace(“/”, “_”).Replace(“:”, “”).Replace(“*”, “”).Replace(“>”, “”).Replace(“<“,

“”).Replace(“?”, “”).Replace(“|”, “”).Replace(“\””, “‘”).Replace(“(“, “_”).Replace(“)”,

“_”).Replace(“;”, “_”);
            hzString = hzString.Replace(“,”, “,”).Replace(“;”, “_”).Replace(“。”,

“_”).Replace(“””, “”).Replace(““”, “”).Replace(“[“, “”).Replace(“]”, “”).Replace(“【”,

“”).Replace(“】”, “”);
            hzString = hzString.Replace(“{“, “”).Replace(“}”, “”).Replace(“^”, “”).Replace

(“&”, “_”).Replace(“=”, “”).Replace(“~”, “_”).Replace(“@”, “_”).Replace(“¥”, “”);
            if (hzString.Length > maxLength)
            {
                hzString = hzString.Substring(0, maxLength);
            }
            Regex regex = new Regex(@”([a-zA-Z0-9\._]+)”, RegexOptions.IgnoreCase);
            if (regex.IsMatch(hzString))
            {
                if (hzString.Equals(regex.Match(hzString).Groups[1].Value,

StringComparison.OrdinalIgnoreCase))
                {
                    return hzString;
                }
            }
            // 匹配中文字符
            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;
           
        }
    }
}

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