java获取中文拼音码

/**
     * 返回中文的首字母
     */
    public static String getPinYinHeadChar(String str) {
        String sb = "";
        for (int j = 0; j < str.length(); j++) {
            char word = str.charAt(j);
            String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(word);
            if (pinyinArray != null) {
                sb += pinyinArray[0].charAt(0);
            } else {
                sb += word;
            }
        }
        return sb;
    }

/**
     * 获取中文拼音首字母，英文字符不变（简拼）
     * @param str 中文字符串
     * @return 中文拼音首字母
     */
    public static String getFirstSpell(String str) {
        HanyuPinyinOutputFormat pyFormat = new HanyuPinyinOutputFormat();
        pyFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        pyFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        StringBuffer sb = new StringBuffer();
        char[] arr = str.toCharArray();
        for (int i = 0; i < arr.length; i++) {
            if (arr[i] > 128) {
                try {
                    String[] temp = PinyinHelper.toHanyuPinyinStringArray(arr[i], pyFormat);
                    if (temp != null) {
                        sb.append(temp[0].charAt(0));
                    }
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    e.printStackTrace();
                }
            } else {
                sb.append(arr[i]);
            }
        }
        return sb.toString().replaceAll("\\W", "").trim();
    }

/**
     * 获取中文拼音，英文字符不变（全拼）
     * @param str 中文字符串
     * @return 中文拼音
     */
    public static String getFullSpell(String str) {
        HanyuPinyinOutputFormat pyFormat = new HanyuPinyinOutputFormat();
        pyFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        pyFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        StringBuffer sb = new StringBuffer();
        char[] arr = str.toCharArray();
        for (int i = 0; i < arr.length; i++) {
            if (arr[i] > 128) {
                try {
                    sb.append(PinyinHelper.toHanyuPinyinStringArray(arr[i], pyFormat)[0]);
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    e.printStackTrace();
                }
            } else {
                sb.append(arr[i]);
            }
        }
        return sb.toString();
    }

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