汉字转为拼音(C#版)

      汉字转为拼音在我们日常开发中用的比较多，像百度，谷歌等一些搜索引擎，都有自己的拼音转汉字，汉字转拼音，今天有一个网友问到了这个问题，

我写了个demo给他，现在也分享给各位网友一下。

     界面如下：

    

看完效果后，我再介绍一下源代码构成：

DXHanZiToPinYin.cs这是转换的核心文件

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using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
 
namespace DXHanZiToPinYin
{
    public class DXHanZiToPinYin
    {
        #region 数组信息
 
        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" };
        #endregion
 
        #region 方法调用_只有一个参数
 
        public static string Convert(string hzString)
        {
            return Convert(hzString, 10);
        }
 
        #endregion
 
        #region 方法调用_有两个参数
 
        public static string Convert(string hzString, int maxLength)
        {
            char str = '"';//英文状态双引号处理
 
            if (string.IsNullOrEmpty(hzString))//输入为空
                return null;
 
            if (maxLength <= 1)
                maxLength = 10;
 
            //字符处理
            hzString = hzString.Trim().Replace(" ", "").Replace("?", "_").Replace("\\", "_").Replace("/", "_").Replace(":", "").Replace("*", "").Replace(">", "").Replace("<", "").Replace("?", "").Replace("|", "").Replace("\"", "'").Replace("(", "_").Replace(")", "_").Replace(";", "_");
            hzString = hzString.Replace("，", ",").Replace(str.ToString(), "").Replace(str.ToString(), "").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;
        }
 
        #endregion
    }
}

Mytest工程有相应的测试用例

源码下载地址:http://download.csdn.net/source/3524623

原文出处:http://www.cnblogs.com/itat/archive/2011/08/16/2141538.html

 

posted @ 2013-05-03 22:00  金虹巴巴  阅读(339)  评论(0)  编辑  收藏  举报