java获取中文拼音首字母
private final static int[] li_SecPosValue = { 1601, 1637, 1833, 2078, 2274,
2302, 2433, 2594, 2787, 3106, 3212, 3472, 3635, 3722, 3730, 3858,
4027, 4086, 4390, 4558, 4684, 4925, 5249, 5590 };
private final static String[] lc_FirstLetter = { "A", "B", "C", "D", "E",
"F", "G", "H", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S",
"T", "W", "X", "Y", "Z" };
存放所有国标二级汉字读音
private final static String ls_SecondSecTable =
"CJWGNSPGCGNE[Y[BTYYZDXYKYGT[JNNJQMBSGZSCYJSYY" +
"[PGKBZGY[YWJKGKLJYWKPJQHY[W[DZLSGMRYPYWWCCKZNKYYGTTNJJNYKKZYTCJNMCYLQLYPYQFQRPZSLWBTGKJFYXJWZLTBNCXJJJJTXDTTSQZYCDXXHGCK" +
"[PHFFSS[YBGXLPPBYLL[HLXS[ZM[JHSOJNGHDZQYKLGJHSGQZHXQGKEZZWYSCSCJXYEYXADZPMDSSMZJZQJYZC[J" +
"[WQJBYZPXGZNZCPWHKXHQKMWFBPBYDTJZZKQHYLYGXFPTYJYYZPSZLFCHMQSHGMXXSXJ[" +
"[DCSBBQBEFSJYHXWGZKPYLQBGLDLCCTNMAYDDKSSNGYCSGXLYZAYBNPTSDKDYLHGYMYLCXPY" +
"[JNDQJWXQXFYYFJLEJPZRXCCQWQQSBNKYMGPLBMJRQCFLNYMYQMSQYRBCJTHZTQFRXQHXMJJCJLXQGJMSHZKBSWYEMYLTXFSYDSWLYCJQXSJNQBSCTYHBFTDCYZDJWY" +
"GHQFRXWCKQKXEBPTLPXJZSRMEBWHJLBJSLYYSMDXLCLQKXLHXJRZJMFQHXHWYWSBHTRXXGLHQHFNM[YKLDYXZPYLGG[MTCFPAJJZYLJTYANJGBJPLQGDZYQY" +
"AXBKYSECJSZNSLYZHSXLZCGHPXZHZNYTDSBCJKDLZAYFMYDLEBBGQYZKXGLDNDNYSKJSHDLYXBCGHXYPKDJMMZNGMMCLGWZSZXZJFZNMLZZTHCSYDBDLLSCDD" +
"NLKJYKJSYCJLKWHQASDKNHCSGANHDAASHTCPLCPQYBSDMPJLPZJOQLCDHJJYSPRCHN[NNLHLYYQYHWZPTCZGWWMZFFJQQQQYXACLBHKDJXDGMMYDJXZLLSYGX" +
"GKJRYWZWYCLZMSSJZLDBYD[FCXYHLXCHYZJQ[[QAGMNYXPFRKSSBJLYXYSYGLNSCMHZWWMNZJJLXXHCHSY[[TTXRYCYXBYHCSMXJSZNPWGPXXTAYBGAJCXLY" +
"[DCCWZOCWKCCSBNHCPDYZNFCYYTYCKXKYBSQKKYTQQXFCWCHCYKELZQBSQYJQCCLMTHSYWHMKTLKJLYCXWHEQQHTQH[PQ" +
"[QSCFYMNDMGBWHWLGSLLYSDLMLXPTHMJHWLJZYHZJXHTXJLHXRSWLWZJCBXMHZQXSDZPMGFCSGLSXYMJSHXPJXWMYQKSMYPLRTHBXFTPMHYXLCHLHLZY" +
"LXGSSSSTCLSLDCLRPBHZHXYYFHB[GDMYCNQQWLQHJJ[YWJZYEJJDHPBLQXTQKWHLCHQXAGTLXLJXMSL[HTZKZJECXJCJNMFBY[SFYWYBJZGNYSDZSQYRSLJ" +
"PCLPWXSDWEJBJCBCNAYTWGMPAPCLYQPCLZXSBNMSGGFNZJJBZSFZYNDXHPLQKZCZWALSBCCJX[YZGWKYPSGXFZFCDKHJGXDLQFSGDSLQWZKXTMHSBGZMJZRGLYJ" +
"BPMLMSXLZJQQHZYJCZYDJWBMYKLDDPMJEGXYHYLXHLQYQHKYCWCJMYYXNATJHYCCXZPCQLBZWWYTWBQCMLPMYRJCCCXFPZNZZLJPLXXYZTZLGDLDCKLYRZZGQTG" +
"JHHGJLJAXFGFJZSLCFDQZLCLGJDJCSNZLLJPJQDCCLCJXMYZFTSXGCGSBRZXJQQCTZHGYQTJQQLZXJYLYLBCYAMCSTYLPDJBYREGKLZYZHLYSZQLZNWCZCLLWJQ" +
"JJJKDGJZOLBBZPPGLGHTGZXYGHZMYCNQSYCYHBHGXKAMTXYXNBSKYZZGJZLQJDFCJXDYGJQJJPMGWGJJJPKQSBGBMMCJSSCLPQPDXCDYYKY[CJDDYYGYWRHJRTGZ" +
"NYQLDKLJSZZGZQZJGDYKSHPZMTLCPWNJAFYZDJCNMWESCYGLBTZCGMSSLLYXQSXSBSJSBBSGGHFJLYPMZJNLYYWDQSHZXTYYWHMZYHYWDBXBTLMSYYYFSXJC[DXX" +
"LHJHF[SXZQHFZMZCZTQCXZXRTTDJHNNYZQQMNQDMMG[YDXMJGDHCDYZBFFALLZTDLTFXMXQZDNGWQDBDCZJDXBZGSQQDDJCMBKZFFXMKDMDSYYSZCMLJDSYNSBRS" +
"KMKMPCKLGDBQTFZSWTFGGLYPLLJZHGJ[GYPZLTCSMCNBTJBQFKTHBYZGKPBBYMTDSSXTBNPDKLEYCJNYDDYKZDDHQHSDZSCTARLLTKZLGECLLKJLQJAQNBDKKGHP" +
"JTZQKSECSHALQFMMGJNLYJBBTMLYZXDCJPLDLPCQDHZYCBZSCZBZMSLJFLKRZJSNFRGJHXPDHYJYBZGDLQCSEZGXLBLGYXTWMABCHECMWYJYZLLJJYHLG[DJLSLY" +
"GKDZPZXJYYZLWCXSZFGWYYDLYHCLJSCMBJHBLYZLYCBLYDPDQYSXQZBYTDKYXJY[CNRJMPDJGKLCLJBCTBJDDBBLBLCZQRPPXJCJLZCSHLTOLJNMDDDLNGKAQHQH" +
"JGYKHEZNMSHRP[QQJCHGMFPRXHJGDYCHGHLYRZQLCYQJNZSQTKQJYMSZSWLCFQQQXYFGGYPTQWLMCRNFKKFSYYLQBMQAMMMYXCTPSHCPTXXZZSMPHPSHMCLMLDQF" +
"YQXSZYYDYJZZHQPDSZGLSTJBCKBXYQZJSGPSXQZQZRQTBDKYXZKHHGFLBCSMDLDGDZDBLZYYCXNNCSYBZBFGLZZXSWMSCCMQNJQSBDQSJTXXMBLTXZCLZSHZCXRQ" +
"JGJYLXZFJPHYMZQQYDFQJJLZZNZJCDGZYGCTXMZYSCTLKPHTXHTLBJXJLXSCDQXCBBTJFQZFSLTJBTKQBXXJJLJCHCZDBZJDCZJDCPRNPQCJPFCZLCLZXZDMXMPH" +
"JSGZGSZZQLYLWTJPFSYASMCJBTZKYCWMYTCSJJLJCQLWZMALBXYFBPNLSFHTGJWEJJXXGLLJSTGSHJQLZFKCGNNNSZFDEQFHBSAQTGYLBXMMYGSZLDYDQMJJRGBJ" +
"TKGDHGKBLQKBDMBYLXWCXYTTYBKMRTJZXQJBHLMHMJJZMQASLDCYXYQDLQCAFYWYXQHZ";
/**
* 字符串编码转换
* @param str 要转换编码的字符串
* @param charsetName 原来的编码
* @param toCharsetName 转换后的编码
* @return 经过编码转换后的字符串
*/
private static String conversionStr(String str, String charsetName,String toCharsetName) {
try {
str = new String(str.getBytes(charsetName), toCharsetName);
} catch (Exception ex) {
System.out.println("字符串编码转换异常:" + ex.getMessage());
}
return str;
}
/**
* 取得给定汉字的首字母,即声母
* @param chinese 给定的汉字
* @return 给定汉字的声母
*/
public static String getFirstLetter(String chinese) {
String sreturn="";
if (chinese == null || chinese.trim().length() == 0) {
return "";
}
chinese = conversionStr(chinese, "GB2312", "ISO8859-1");
if (chinese.length() > 1) // 判断是不是汉字
{
int li_SectorCode_s = (int) chinese.charAt(0); // 汉字区码
int li_PositionCode_s = (int) chinese.charAt(1); // 汉字位码
int li_SectorCode = li_SectorCode_s - 160;
int li_PositionCode = li_PositionCode_s - 160;
int li_SecPosCode = li_SectorCode * 100 + li_PositionCode; // 汉字区位码
if (li_SecPosCode > 1600 && li_SecPosCode < 5590) {
for (int i = 0; i < 23; i++) {
if (li_SecPosCode >= li_SecPosValue[i]
&& li_SecPosCode < li_SecPosValue[i + 1]) {
sreturn = lc_FirstLetter[i] ;
break;
}
}
}else {
//二级字库偏移量
int ioffset = (li_SectorCode - 56) * 94 + li_PositionCode - 1;
if (ioffset >= 0 && ioffset <= 3007) {
sreturn = ls_SecondSecTable.substring(ioffset, ioffset + 1);
}
}
}
return sreturn;
}
/**
* 取得给定汉字串的首字母串,即声母串
* @param str 给定汉字串
* @return 声母串
*/
public static String getAllFirstLetter(String str) {
if (str == null || str.trim().length() == 0) {
return "";
}
String _str = "";
for (int i = 0; i < str.length(); i++) {
_str = _str + getFirstLetter(str.substring(i, i + 1));
}
return _str;
}
public static void main(String[] args) {
System.out.print(getAllFirstLetter("首字母"));
}