C# 汉字转拼音 将中文转换成拼音

  //建立一个公共类，用于转换汉字
        public class ChnToPh
        {
            //定义拼音区编码数组
            private static int[] getValue = new int[]
            {
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-, -,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-,
                -,-,-,-,-,-,-,-,-,-,-,-
            };
            //定义拼音数组
            private static string[] getName = 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"
           };
            //建立一个convertCh方法用于将汉字转换成全拼的拼音，其中，参数代表汉字字符串，此方法的返回值是转换后的拼音字符串
            public static string convertCh(string Chstr)
            {
                Regex reg= new Regex("^[\u4e00-\u9fa5]$");//验证是否输入汉字
                byte[] arr= new byte[];
                string pystr = "";
                int asc = ,M1 = ,M2 = ;
                char[] mChar = Chstr.ToCharArray();//获取汉字对应的字符数组
                for (int j = ; j < mChar.Length; j++)
                {
                    //如果输入的是汉字
                    if (reg.IsMatch(mChar[j].ToString()))
                    {
                        arr = System.Text.Encoding.Default.GetBytes(mChar[j].ToString());
                        M1 = (short)(arr[]);
                        M2 = (short)(arr[]);
                        asc = M1 *  + M2 - ;
                        if (asc >  && asc < )
                        {
                            pystr += mChar[j];
                        }
                        else
                        {
                            switch (asc)
                            {
                                case -:
                                    pystr += "Zhen"; break;
                                case -:
                                    pystr += "Qian"; break;
                                case -:
                                    pystr += "Jia"; break;
                                case -:
                                    pystr += "Ge"; break;
                                case -:
                                    pystr += "Ga"; break;
                                case -:
                                    pystr += "La"; break;
                                case -:
                                    pystr += "Chen"; break;
                                case -:
                                    pystr += "Mao"; break;
                                case -:
                                    pystr += "Mao"; break;
                                case -:
                                    pystr += "Die"; break;
                                case -:
                                    pystr += "Tian"; break;
                                default:
                                    for (int i = (getValue.Length - ); i >= ; i--)
                                    {
                                        if (getValue[i] <= asc)//判断汉字的拼音区编码是否在指定范围内
                                        {
                                            pystr += getName[i];//如果不超出范围则获取对应的拼音
                                            break;
                                        }
                                    }
                                    break;
                            }
                        }
                    }
                    else//如果不是汉字
                    {
                        pystr += mChar[j].ToString();//如果不是汉字则返回
                    }
                }
                return pystr;//返回获取到的汉字拼音
            }
        }

新建窗体程序如图：

双击转换 ，查看点击事件

运行效果如下：

附带源码下载：http://files.cnblogs.com/files/zhibu/CSharp%E6%B1%89%E5%AD%97%E8%BD%AC%E6%8B%BC%E9%9F%B3%E6%BA%90%E4%BB%A3%E7%A0%81.rar