C#中汉字轻松得到拼音全文类

public class chs2py

     {

         private static int[] pyvalue = new int[]{-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-,-,-, 

           -,-,-,-,-,-,-,-,-,-,-,-,-,-};

         private static string[] pystr = new string[]{"a","ai","an","ang","ao","ba","bai","ban","bang","bao","bei","ben","beng","bi","bian","biao", 

         "bie","bin","bing","bo","bu","ca","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"};

         public static string convert(string chrstr)

         {

             byte[] array = new byte[];

             string returnstr = "";

             int chrasc = ;

             int i1 = ;

             int i2 = ;

             char[] nowchar = chrstr.ToCharArray();

             for (int j = ; j < nowchar.Length; j++)

             {

                 array = System.Text.Encoding.Default.GetBytes(nowchar[j].ToString());

                 i1 = (short)(array[]);

                 i2 = (short)(array[]);

                 chrasc = i1 *  + i2 - ;

                 if (chrasc >  && chrasc < )

                 {

                     returnstr += nowchar[j];

                 }

                 else

                 {

                     for (int i = (pyvalue.Length - ); i >= ; i--)

                     {

                         if (pyvalue[i] <= chrasc)

                         {

                             returnstr += pystr[i];

                             break;

                         }

                     }

                 }

             }

             return returnstr;

         }

     }