Use the upper-case letters of Chinese characters and Pinyin

The following code obtains the upper-case letters starting with each letter in Chinese pinyin.

Public class gb2alpha {</P> <p> // two tags are used for Z. There are 27 values <br/> // I, U, and V are not used as the mother sound, follow the preceding letter <br/> private char [] chartable = <br/> {<br/> 'Ah', 'bar', 'ru', 'Ride ', 'Moth ', 'fa', 'taobao', 'ha ', 'ha', <br/> 'click', 'CA', 'taobao', 'Ma ', 'A', 'Oh', 'cl', 'stance', 'ran', <br/> 'za', 'collapsing ', 'dig', 'seg', 'stopped', 'zac', 'block' <br/> }; </P> <p> private char [] alphatable = <br/> {<br/> 'A', 'B', 'C', 'D ', 'E', 'F', 'G', 'h', 'I', <br/> 'J', 'k', 'l', 'M ', 'N', 'O', 'P', 'Q', 'R', <br/> 's', 't', 'U', 'V ', 'w', 'x', 'y', 'z' <br/>}; </P> <p> private int [] Table = new int [27]; <br/> // initialization <br/> {<br/> for (INT I = 0; I <27; ++ I) {<br/> table [I] = gbvalue (chartable [I]); <br/>}</P> <p> Public gb2alpha () {<br/>}</P> <p> // main function. Enter a character to obtain its initials, <br/> // return uppercase letters <br/> // return '0' for other non-simplified Chinese characters </P> <p> Public char char2alpha (char ch) {</P> <p> If (CH> = 'A' & Ch <= 'Z') <br/> return (char) (CH-'A' + 'A'); <br/> If (CH> = 'A' & Ch <= 'Z') <br/> return ch; <br/> int GB = gbvalue (CH); <br/> If (GB <Table [0]) <br/> return '0 '; <br/> int I; <br/> for (I = 0; I <26; ++ I) {<br/> If (MATCH (I, GB )) break; <br/>}< br/> if (I> = 26) <br/> return '0 '; <br/> else <br/> return alphatable [I]; <br/>}</P> <p> // returns the first letter of a Chinese character string based on a string containing Chinese characters. <br/> Public String string2alpha (string sourcestr) {</P> <p> string result = ""; <br/> int strlength = sourcestr. length (); <br/> int I; <br/> try {<br/> for (I = 0; I <strlength; I ++) {<br/> result + = char2alpha (sourcestr. charat (I); <br/>}< br/>} catch (exception e) {<br/> result = ""; <br/>}< br/> return result; <br/>}</P> <p> private Boolean match (int I, int GB) {</P> <p> If (GB <Table [I]) <br/> return false; <br/> Int J = I + 1; </P> <p> // two tags are used for Z. <br/> while (j <26 & (Table [J] = table [I]) + + J; <br/> If (j = 26) <br/> return GB <= table [J]; <br/> else <br/> return GB <Table [J]; <br/>}</P> <p> // extract the Chinese character encoding <br/> private int gbvalue (char ch) {</P> <p> string STR = new string (); <br/> STR + = CH; <br/> try {<br/> byte [] bytes = Str. getbytes ("gb2312"); <br/> If (bytes. length <2) <br/> return 0; <br/> return (Bytes [0] <8 & 0xff00) + (Bytes [1] & <br/> 0xff); <br/>} catch (exception e) {<br/> return 0; <br/>}</P> <p> Public static void main (string [] ARGs) {</P> <p> gb2alpha obj1 = new gb2alpha (); <br/> system. out. println (obj1.string2alpha (" csdn"); <br/> system. out. println (obj1.string2alpha ("learning hard"); <br/> return; <br/>}< br/>}