Asp.net converts Chinese characters to PinYin

/// <Summary>

/// Obtain all Chinese Characters in pinyin /// </summary> /// <param name = "x"> string for transmitting Chinese characters </param> /// <returns> pinyin of Chinese character strings </returns> public string GetSpell (string x) {int [] iA = new int [] {-20319,-20317,-20304,-20295,-20292,-20283,-20265,-20257, -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 }; string [] sA = 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", "Hangzhou", "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 "}; byte [] B = new byte [2]; string s = ""; char [] c = x. toCharArray (); for (int j = 0; j <c. length; j ++) {B = System. text. encoding. default. getBytes (c [j]. toString (); if (int) (B [0]) <= 160 & (int) (B [0])> = 0) {s + = c [j];} else {for (int I = (iA. length-1); I> = 0; I --) {if (iA [I] <= (int) (B [0]) * 256 + (int) (B [1])-65536) {s + = sA [I]; break ;}}} return s ;}