java 中文字符 获取首字母（一级二级字符）
public class StringTools {
public StringTools() {
}
//取得拼音码
public String getPinYM(String a) {
//汉字区位码
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};
//存放国标一级汉字不同读音的起始区位码对应读音
char 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'};
//二级字库偏移量
int ioffset = 0;
////存放所有国标二级汉字读音
java.lang.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" +