asp.net Chinese character conversion Pinyin Implementation Code (C #)

1. Coding is defined first

#region Coding Definition

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[] 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", "the" "," "Hou", "Hu", "Hua", "Huai", "Huan", "Huang", "Hui", "Hun",


"Huo", "Ji", "Jia", "Jian",


"Jiang", "Jiao", "Jie", "Jin", "Jing", "Jiong", "JIU", "Ju", "Juan", "Jue", "June", "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",





#endregion

2. Then is the Pinyin processing method

#region Pinyin Processing

<summary>
Translate a string of Chinese into pinyin
If a given character is a non-Chinese character, the conversion is not performed and the original character is returned directly;
</summary>
<param name= "CHSSTR" > designated Chinese characters </param>
<returns> Pinyin Code </returns>
public string Chsstring2spell (string chsstr)
{
String strret = String. Empty;

char[] Arrchar = chsstr. ToCharArray ();

foreach (char c in Arrchar)
{
Strret + + Singlechs2spell (c.tostring ());
}

return strret;
}
<summary>
Translate a string of Chinese into pinyin
</summary>
<param name= "CHSSTR" > designated Chinese characters </param>
<returns> Pinyin First Letter </returns>
public string Getheadofchs (string chsstr)
{
String strret = String. Empty;

char[] Arrchar = chsstr. ToCharArray ();

foreach (char c in Arrchar)
{
Strret + + getheadofsinglechs (c.tostring ());
}

return strret;
}

<summary>
Conversion of single Chinese characters into pinyin
</summary>
<param name= "Singlechs" > single Chinese characters </param>
<returns> Pinyin </returns>
public string Singlechs2spell (string singlechs)
{
Byte[] Array;
int IASC;
String Strrtn = String. Empty;

Array = Encoding.Default.GetBytes (Singlechs);

Try
{
IASC = (short) (array[0]) * 256 + (short) (array[1])-65536;
}
Catch
{
IASC = 1;
}

if (IAsc > 0 && iAsc < 160)
return singlechs;

            for (int i = (pyvalue). LENGTH-1); I >= 0; i--)
            {
                 if (Pyvalue[i] <= iAsc)
                 {
                     strrtn = Pystr[i];
                     break;
               }
           }

Capitalize the first letter
if (Strrtn.length > 1)
{
Strrtn = strrtn.substring (0, 1). ToUpper () + strrtn.substring (1);
}

return STRRTN;
}

<summary>
Get the first letter of a single Chinese pinyin
</summary>
<returns> </returns>
public string Getheadofsinglechs (string singlechs)
{
Return Singlechs2spell (Singlechs). Substring (0, 1);
}
#endregion

Method Two

Using System;


Using System.Collections.Generic;


Using System.Text;





Namespace Stringoption


{


public class Getstringspell


{


&lt;summary&gt;


Extract the first letter of Chinese characters


&lt;/summary&gt;


&lt;param name= "StrText" &gt; need to convert the word &lt;/param&gt;


&lt;returns&gt; Conversion Results &lt;/returns&gt;


public static string Getchinesespell (String strText)


{


int len = strtext.length;


String mystr = "";


for (int i = 0; i &lt; len; i++)


{


MyStr + + Getspell (strtext.substring (i, 1));


}


return mystr;


}


&lt;summary&gt;


Turn the extracted letters into uppercase


&lt;/summary&gt;


&lt;param name= "StrText" &gt; the string to be converted &lt;/param&gt;


&lt;returns&gt; Conversion Results &lt;/returns&gt;


public static string Getlowerchinesespell (String strText)


{


Return Getchinesespell (StrText). ToLower ();


}


&lt;summary&gt;


Turn the extracted letters into uppercase


&lt;/summary&gt;


&lt;param name= "MyChar" &gt; the string to be converted &lt;/param&gt;


&lt;returns&gt; Conversion Results &lt;/returns&gt;


public static string Getupperchinesespell (String strText)


{


Return Getchinesespell (StrText). ToUpper ();


}


&lt;summary&gt;


Get the first pinyin of a single Chinese character


&lt;/summary&gt;


&lt;param name= "MyChar" &gt; characters to convert &lt;/param&gt;


&lt;returns&gt; Conversion Results &lt;/returns&gt;


public static string Getspell (String MyChar)


{


byte[] Arrcn = System.Text.Encoding.Default.GetBytes (MyChar);


if (Arrcn.length &gt; 1)


{


int area = (short) arrcn[0];


int pos = (short) arrcn[1];


int code = (Area &lt;&lt; 8) + pos;


Int[] AreaCode = {45217, 45253, 45761, 46318, 46826, 47010, 47297, 47614, 48119, 48119, 49062, 49324, 49896, 50371, 50614 , 50622, 50906, 51387, 51446, 52218, 52698, 52698, 52698, 52980, 53689, 54481};


for (int i = 0; i &lt; i++)


{


int max = 55290;


if (i!=) max = areacode[i + 1];


if (Areacode[i] &lt;= code &amp;&amp; code &lt; MAX)


{


Return System.Text.Encoding.Default.GetString (New byte[] {(byte) (+ i)});


}


}


Return "_";


}


else return MyChar;


}


}


}