中文字符转拼音

1、中文字符转拼音和首字母，英文数字符号不转
参考博客：
--java根据汉字获取全拼和首字母
https://blog.csdn.net/yufang131/article/details/80830249

<!-- https://mvnrepository.com/artifact/com.belerweb/pinyin4j -->
<dependency>
    <groupId>com.belerweb</groupId>
    <artifactId>pinyin4j</artifactId>
    <version>2.5.1</version>
</dependency>

示例:

public class PinYinUtils {


    /**
     * 获取字符对应的全拼
     * @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();
        //小写
        t3.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        t3.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        t3.setVCharType(HanyuPinyinVCharType.WITH_V);
        String returnStr = "";
        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);
                    returnStr += t2[0];
                } else {
                	returnStr += java.lang.Character.toString(t1[i]);
                }
            }
            return returnStr;
        } catch (BadHanyuPinyinOutputFormatCombination e1) {
            e1.printStackTrace();
        }
        return returnStr;
    }


    /**
     * 获取字符对应的中文首字母
     * @param str
     * @return
     */
    public static String getPinYinHeadChar(String str) {
        String returnStr = "";
        for (int j = 0; j < str.length(); j++) {
            char word = str.charAt(j);
            String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(word);
            if (pinyinArray != null) {
            	returnStr += pinyinArray[0].charAt(0);
            } else {
            	returnStr += word;
            }
        }
        return returnStr;
    }


    /**
     * 将字符串转换为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();
    }

    /**
     * 测试
     * @param args
     */
    public static void main(String[] args) {
        String cnStr = "francis367 *%$#@!bbg";
        System.out.println(getPingYin(cnStr));
        System.out.println(getPinYinHeadChar(cnStr));
        System.out.println(getCnASCII("中国"));
    }

}