package com.anxin.ssk.common;import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.regex.Matcher;
import java.util.regex.Pattern;/*** 取得给定汉字串的首字母串,即声母串 Title: ChineseCharToEn(含常用汉字，不常见汉字及多音字)* * @author: (le.qiao)* @e-mail: qiaolevip@gmail.com* @myblog: <a href="http://qiaolevip.iteye.com">http://qiaolevip.iteye.com</a>* @date: 2014-1-15 注：只支持GB2312字符集中的汉字* */
public class LetterUtil {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" };private static Map<String, String> exceptWords = new HashMap<String, String>();static {exceptWords.put("a", "庵鳌");exceptWords.put("b", "璧亳並侼別匂");exceptWords.put("c", "茌丞丒丳刅");exceptWords.put("d", "渎砀棣儋丟");exceptWords.put("e", "");exceptWords.put("f", "邡冹兝");exceptWords.put("g", "崮藁莞丐丱乢亁仠冮匃匄");exceptWords.put("h", "骅珲潢湟丆冴匢");exceptWords.put("j", "泾蛟暨缙旌莒鄄丌丩丮丯丼亅伋冏匊匛匞");exceptWords.put("k", "丂匟");exceptWords.put("l", "崂涞栾溧漯浏耒醴泸阆崃両刢劽啰");exceptWords.put("m", "渑汨丏冐冺兞冇");exceptWords.put("n", "");exceptWords.put("o", "瓯");exceptWords.put("p", "邳濮郫丕伂冸");exceptWords.put("q", "喬綦衢岐朐邛丠丬亝冾兛匤");exceptWords.put("r", "榕刄");exceptWords.put("s", "泗睢沭嵊歙莘嵩鄯丄丗侺兙");exceptWords.put("t", "潼滕郯亣侹侻");exceptWords.put("w", "婺涠汶亾仼卍卐");exceptWords.put("x", "鑫盱浔荥淅浠亵丅伈兇");exceptWords.put("y", "懿眙黟颍兖郓偃鄢晏丣亜伇偐円匜");exceptWords.put("z", "梓涿诏柘秭圳伀冑刣");}private final static String polyphoneTxt = "重庆|cq,音乐|yy";/*** 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 "";}// 多音字判定for (String polyphone : polyphoneTxt.split(",")) {String[] chinese = polyphone.split("[|]");if (str.indexOf(chinese[0]) != -1) {str = str.replace(chinese[0], chinese[1]);}}String _str = "";for (int i = 0; i < str.length(); i++) {_str = _str + getFirstLetter(str.substring(i, i + 1));}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) {if (chinese == null || chinese.trim().length() == 0) {return "";}String chineseTemp = chinese;chinese = conversionStr(chinese, "GB2312", "ISO8859-1");if (chinese.length() > 1) {// 判断是不是汉字int li_SectorCode = (int) chinese.charAt(0); // 汉字区码int li_PositionCode = (int) chinese.charAt(1); // 汉字位码li_SectorCode = li_SectorCode - 160;li_PositionCode = li_PositionCode - 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]) {chinese = lc_FirstLetter[i];break;}}} else {// 非汉字字符,如图形符号或ASCII码chinese = matchPinYin(chinese);}}// 如还是无法匹配，再次进行拼音匹配if (chinese.equals("?")) {chinese = matchPinYin(chineseTemp, false);}return chinese;}/*** 汉字匹配拼音对照* * @param chinese* @return*/private static String matchPinYin(String chinese, boolean needConvert) {String chineseTemp = chinese;if (needConvert) {chinese = conversionStr(chinese, "ISO8859-1", "GB2312");}chinese = chinese.substring(0, 1);// findRepeatWord(exceptWords);for (Entry<String, String> letterSet : exceptWords.entrySet()) {if (letterSet.getValue().indexOf(chinese) != -1) {chinese = letterSet.getKey();break;}}chinese = chineseTemp.equals(chinese) ? "?" : chinese;return chinese;}private static String matchPinYin(String chinese) {return matchPinYin(chinese, true);}/*** 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 (UnsupportedEncodingException ex) {System.out.println("字符串编码转换异常：" + ex.getMessage());}return str;}public static void main(String[] args) {String content = "丬";String pinyin = "";String contentAll = "";String pinyinAll = "";for (int i = 21000; i <= 22000; i++) {content = ((char) i) + "";pinyin = LetterUtil.getFirstLetter(content);if (pinyin.equals("?")) {contentAll += content;pinyinAll += pinyin;}}System.out.println("获取拼音首字母：" + contentAll + ":" + pinyinAll);// String address = "(金浜小区)栖山路1689弄";// address = address.substring(address.indexOf(")") + 1);// System.out.println("获取拼音首字母：" + LetterUtil.getFirstLetter(address));}@SuppressWarnings("unused")private static void findRepeatWord(Map<String, String> wordsMap) {String words = wordsMap.values().toString().replaceAll("[, ]", "");words = words.substring(1, words.length() - 1);for (char word : words.toCharArray()) {int count = findStr2(words, String.valueOf(word));if (count > 1) {System.out.println("汉字：【" + word + "】出现了" + count + "次！");}}}private static int findStr2(String srcText, String keyword) {int count = 0;Pattern p = Pattern.compile(keyword);Matcher m = p.matcher(srcText);while (m.find()) {count++;}return count;}
}