pinyin4j汉字转拼音

public class PinyinUtils {

    /**
     * 获得汉语拼音首字母
     *
     * @param chines 汉字
     * @return
     */
    public static String getAlpha(String chines) {
        String pinyinName = "";
        char[] nameChar = chines.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.UPPERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (int i = 0; i < nameChar.length; i++) {
            if (nameChar[i] > 128) {
                try {
                    pinyinName += PinyinHelper.toHanyuPinyinStringArray(
                            nameChar[i], defaultFormat)[0].charAt(0);
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    e.printStackTrace();
                }
            } else {
                pinyinName += nameChar[i];
            }
        }
        return pinyinName;
    }

    /**
     * 将字符串中的中文转化为拼音,英文字符不变
     *
     * @param inputString 汉字
     * @return
     */
    public static String getPingYin(String inputString) {
        HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
        format.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        format.setVCharType(HanyuPinyinVCharType.WITH_V);
        String output = "";
        if (inputString != null && inputString.length() > 0
                && !"null".equals(inputString)) {
            char[] input = inputString.trim().toCharArray();
            try {
                for (int i = 0; i < input.length; i++) {
                    if (java.lang.Character.toString(input[i]).matches(
                            "[\u4E00-\u9FA5]+")) {
                        String[] temp = PinyinHelper.toHanyuPinyinStringArray(
                                input[i], format);
                        output += temp[0];
                    } else
                        output += java.lang.Character.toString(input[i]);
                }
            } catch (BadHanyuPinyinOutputFormatCombination e) {
                e.printStackTrace();
            }
        } else {
            return "*";
        }
        return output;
    }

    /**
     * 汉字转换位汉语拼音首字母，英文字符不变
     *
     * @param chines 汉字
     * @return 拼音
     */
    public static String converterToFirstSpell(String chines) {
        String pinyinName = "";
        char[] nameChar = chines.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.UPPERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (int i = 0; i < nameChar.length; i++) {
            if (nameChar[i] > 128) {
                try {
                    pinyinName += PinyinHelper.toHanyuPinyinStringArray(
                            nameChar[i], defaultFormat)[0].charAt(0);
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    e.printStackTrace();
                }
            } else {
                pinyinName += nameChar[i];
            }
        }
        return pinyinName;
    }

}