中文转汉语拼音工具类

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

package com.pyy.concurrency;

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 HanyuPinyinHelper {

    /**
     * 将文字转为汉语拼音
     * @param chineselanguage 要转成拼音的中文
     */
    public String toHanyuPinyin(String ChineseLanguage){
        char[] cl_chars = ChineseLanguage.trim().toCharArray();
        String hanyupinyin = "";
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);// 输出拼音全部小写
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);// 不带声调
        defaultFormat.setVCharType(HanyuPinyinVCharType.WITH_V) ;
        try {
            for (int i=0; i<cl_chars.length; i++){
                if (String.valueOf(cl_chars[i]).matches("[\u4e00-\u9fa5]+")){// 如果字符是中文,则将中文转为汉语拼音
                    hanyupinyin += PinyinHelper.toHanyuPinyinStringArray(cl_chars[i], defaultFormat)[0];
                } else {// 如果字符不是中文,则不转换
                    hanyupinyin += cl_chars[i];
                }
            }
        } catch (BadHanyuPinyinOutputFormatCombination e) {
            System.out.println("字符不能转成汉语拼音");
        }
        return hanyupinyin;
    }

    public static String getFirstLettersUp(String ChineseLanguage){
        return getFirstLetters(ChineseLanguage ,HanyuPinyinCaseType.UPPERCASE);
    }

    public static String getFirstLettersLo(String ChineseLanguage){
        return getFirstLetters(ChineseLanguage ,HanyuPinyinCaseType.LOWERCASE);
    }

    public static String getFirstLetters(String ChineseLanguage,HanyuPinyinCaseType caseType) {
        char[] cl_chars = ChineseLanguage.trim().toCharArray();
        String hanyupinyin = "";
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(caseType);// 输出拼音全部大写
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);// 不带声调
        try {
            for (int i = 0; i < cl_chars.length; i++) {
                String str = String.valueOf(cl_chars[i]);
                if (str.matches("[\u4e00-\u9fa5]+")) {// 如果字符是中文,则将中文转为汉语拼音,并取第一个字母
                    hanyupinyin += PinyinHelper.toHanyuPinyinStringArray(cl_chars[i], defaultFormat)[0].substring(0, 1);
                } else if (str.matches("[0-9]+")) {// 如果字符是数字,取数字
                    hanyupinyin += cl_chars[i];
                } else if (str.matches("[a-zA-Z]+")) {// 如果字符是字母,取字母
                    hanyupinyin += cl_chars[i];
                } else {// 否则不转换
                    hanyupinyin += cl_chars[i];//如果是标点符号的话，带着
                }
            }
        } catch (BadHanyuPinyinOutputFormatCombination e) {
            System.out.println("字符不能转成汉语拼音");
        }
        return hanyupinyin;
    }

    public static String getPinyinString(String ChineseLanguage){
        char[] cl_chars = ChineseLanguage.trim().toCharArray();
        String hanyupinyin = "";
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);// 输出拼音全部大写
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);// 不带声调
        try {
            for (int i = 0; i < cl_chars.length; i++) {
                String str = String.valueOf(cl_chars[i]);
                if (str.matches("[\u4e00-\u9fa5]+")) {// 如果字符是中文,则将中文转为汉语拼音,并取第一个字母
                    hanyupinyin += PinyinHelper.toHanyuPinyinStringArray(
                            cl_chars[i], defaultFormat)[0];
                } else if (str.matches("[0-9]+")) {// 如果字符是数字,取数字
                    hanyupinyin += cl_chars[i];
                } else if (str.matches("[a-zA-Z]+")) {// 如果字符是字母,取字母

                    hanyupinyin += cl_chars[i];
                } else {// 否则不转换
                }
            }
        } catch (BadHanyuPinyinOutputFormatCombination e) {
            System.out.println("字符不能转成汉语拼音");
        }
        return hanyupinyin;
    }
    /**
     * 取第一个汉字的第一个字符
     * @Title: getFirstLetter
     * @Description: TODO
     * @return String
     * @throws
     */
    public static String getFirstLetter(String ChineseLanguage){
        char[] cl_chars = ChineseLanguage.trim().toCharArray();
        String hanyupinyin = "";
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.UPPERCASE);// 输出拼音全部大写
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);// 不带声调
        try {
            String str = String.valueOf(cl_chars[0]);
            if (str.matches("[\u4e00-\u9fa5]+")) {// 如果字符是中文,则将中文转为汉语拼音,并取第一个字母
                hanyupinyin = PinyinHelper.toHanyuPinyinStringArray(
                        cl_chars[0], defaultFormat)[0].substring(0, 1);;
            } else if (str.matches("[0-9]+")) {// 如果字符是数字,取数字
                hanyupinyin += cl_chars[0];
            } else if (str.matches("[a-zA-Z]+")) {// 如果字符是字母,取字母

                hanyupinyin += cl_chars[0];
            } else {// 否则不转换

            }
        } catch (BadHanyuPinyinOutputFormatCombination e) {
            System.out.println("字符不能转成汉语拼音");
        }
        return hanyupinyin;
    }
}

   public static void main(String[] args) {
        HanyuPinyinHelper hanyuPinyinHelper = new HanyuPinyinHelper() ;
        System.out.println("转换结果："+hanyuPinyinHelper.toHanyuPinyin("潘阳洋"));
    }