根据中文获取拼音、拼音首字母

pom依赖

<dependency>
    <groupId>com.belerweb</groupId>
    <artifactId>pinyin4j</artifactId>
    <version>2.5.1</version>
</dependency>

代码实现

package com.example.demo;

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 PinYin {

    /**
     * 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 小写
     *
     * @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;
    }

    /**
     * 得到中文首字母 大写
     *
     * @param str
     * @return
     */
    public static String getPinYinHeadCharUpper(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.toUpperCase();
    }
    /**
     * 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++) {
            strBuf.append(Integer.toHexString(bGBK[i] & 0xff));
        }
        return strBuf.toString();
    }

    public static void main(String[] args) {
        String cnStr = "测试";
        System.out.println(getPingYin(cnStr));
        System.out.println(getPinYinHeadChar(cnStr));
        System.out.println(getPinYinHeadCharUpper(cnStr));
        System.out.println(getCnASCII(cnStr));
    }
}