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;

public class PinYinUtils {

    public static String toPinYin(String string){

        char[] c = string.toCharArray();

        StringBuffer stringBuffer = new StringBuffer();

        for(int i = 0; i< c.length; i++){

            stringBuffer.append(toChar(c[i]));

        }

        return stringBuffer.toString();

    }

    private static String toChar(char c){

        HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();

        format.setCaseType(HanyuPinyinCaseType.LOWERCASE);

        format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);

        format.setVCharType(HanyuPinyinVCharType.WITH_V);

        try{

            String[] pinYin = PinyinHelper.toHanyuPinyinStringArray(c, format);

            if(pinYin != null){

                return pinYin[0];

            }

        }

        catch(BadHanyuPinyinOutputFormatCombination ex){

            ex.printStackTrace();

        }

        return String.valueOf(c);

    }

}