java之获取中文全拼/首字母工具（大小写转换）

需要jar包pinyin4j支持

maven地址

    <dependency>         <groupId>com.belerweb</groupId>         <artifactId>pinyin4j</artifactId>         <version>2.5.0</version>    </dependency>

/**     * 得到 全拼     *      * @param src     * @return     */    public static String getPingYin(String src) {        char[] t1 = null;        t1 = src.toCharArray();        String[] t2 = new String[t1.length];        HanyuPinyinOutputFormat t3 = new HanyuPinyinOutputFormat();        t3.setCaseType(HanyuPinyinCaseType.LOWERCASE);        t3.setToneType(HanyuPinyinToneType.WITHOUT_TONE);        t3.setVCharType(HanyuPinyinVCharType.WITH_V);        String t4 = "";        int t0 = t1.length;        try {            for (int i = 0; i < t0; i++) {                // 判断是否为汉字字符                if (java.lang.Character.toString(t1[i]).matches("[\\u4E00-\\u9FA5]+")) {                    t2 = PinyinHelper.toHanyuPinyinStringArray(t1[i], t3);                    t4 += t2[0];                } else {                    t4 += java.lang.Character.toString(t1[i]);                }            }            return t4;        } catch (BadHanyuPinyinOutputFormatCombination e1) {            e1.printStackTrace();        }        return t4;    }    /**     * 得到中文首字母（包括字符串中字母）     *      * @param str     * @return     */    public static String getPinYinHeadChar(String str) {        String convert = "";        for (int j = 0; j < str.length(); j++) {            char word = str.charAt(j);            String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(word);            if (pinyinArray != null) {                convert += pinyinArray[0].charAt(0);            } else {                convert += word;            }        }        return convert;    }    /**     * 将字符串转移为ASCII码     *      * @param cnStr     * @return     */    public static String getCnASCII(String cnStr) {        StringBuffer strBuf = new StringBuffer();        byte[] bGBK = cnStr.getBytes();        for (int i = 0; i < bGBK.length; i++) {            // System.out.println(Integer.toHexString(bGBK[i]&0xff));            strBuf.append(Integer.toHexString(bGBK[i] & 0xff));        }        return strBuf.toString();    }    public static void main(String[] args) {        String cnStr = "235626玲";        System.out.println(getPingYin(cnStr));        System.out.println(getPinYinHeadChar(cnStr).replaceAll("[^a-z^A-Z^]", ""));        String str = getPinYinHeadChar(cnStr).replaceAll("[^a-z^A-Z^]", "");        if(StringUtils.isNoneBlank(str)){//判断是否有首字母            str = str.substring(0,1).toUpperCase();//转换为大写        }        System.out.println(str);        if(StringUtils.isNoneBlank(str)){            str = str.substring(0,1).toLowerCase();//转换为小写        }        System.out.println(str);    }