Java获取汉字的拼音

package com.ricky.java.pinyin;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.concurrent.ConcurrentHashMap;

import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.HanyuPinyinVCharType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;

import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;

public class PinyinUtils {

private static final ConcurrentHashMap<String,String> duoYinMap = new ConcurrentHashMap<String,String>(512);

public static final String pinyin_sep = "#";

public static final String word_sep = "/";

//加载多音字词典
static{

BufferedReader br = null;
try {
InputStream in = PinyinUtils.class.getClassLoader().getResourceAsStream("duoyinzi_pinyin.txt");
br = new BufferedReader(new InputStreamReader(in,"UTF-8"));

String line = null;
while((line=br.readLine())!=null){

String[] arr = line.split(pinyin_sep);

if(StringUtils.isNotEmpty(arr[1])){
String[] sems = arr[1].split(word_sep);
for (String sem : sems) {

if(StringUtils.isNotEmpty(sem)){
duoYinMap.put(sem , arr[0]);
}
}
}
}

} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}finally{
IOUtils.closeQuietly(br);
}

}

public static String[] chineseToPinYin(char chineseCharacter) throws BadHanyuPinyinOutputFormatCombination{
HanyuPinyinOutputFormat outputFormat = new HanyuPinyinOutputFormat();
outputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
outputFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
outputFormat.setVCharType(HanyuPinyinVCharType.WITH_V);

if(chineseCharacter>=32 && chineseCharacter<=125){  //ASCII >=33 ASCII<=125的直接返回 ,ASCII码表：http://www.asciitable.com/
return new String[]{String.valueOf(chineseCharacter)};
}

return PinyinHelper.toHanyuPinyinStringArray(chineseCharacter, outputFormat);
}

/**
* get chinese words pin yin
* @param chinese
* @param fullPy
* @return
* @throws BadHanyuPinyinOutputFormatCombination
*/
public static String getPinYin(String chinese, boolean fullPy) throws BadHanyuPinyinOutputFormatCombination{
if(StringUtils.isEmpty(chinese)){
return null;
}

char[] chs = chinese.toCharArray();

StringBuilder result = new StringBuilder(20);

for(int i=0;i<chs.length;i++){
String[] arr = chineseToPinYin(chs[i]);
if(arr==null || arr.length<1){
throw new RuntimeException("not find pin yin for:"+chs[i]);
}
if(arr.length==1){
result.append(fullPy ? arr[0]:arr[0].charAt(0));
}else if(arr[0].equals(arr[1])){
result.append(fullPy ? arr[0]:arr[0].charAt(0));
}else{

String prim = chinese.substring(i, i+1);

String lst = null,rst = null;

if(i<=chinese.length()-2){
rst = chinese.substring(i,i+2);
}
if(i>=1 && i+1<=chinese.length()){
lst = chinese.substring(i-1,i+1);
}

String answer = null;
for (String py : arr) {

if(StringUtils.isEmpty(py)){
continue;
}

if((lst!=null && py.equals(duoYinMap.get(lst))) ||
(rst!=null && py.equals(duoYinMap.get(rst)))){
answer = py;
break;
}

if(py.equals(duoYinMap.get(prim))){
answer = py;
}
}

if(StringUtils.isEmpty(answer)){
throw new RuntimeException("not find pin yin for:"+chs[i]);
}
result.append(fullPy ? answer:answer.charAt(0));
}
}

return result.toString().toLowerCase();
}

}