Java 汉字获取拼音或首字母工具类

• 期望结果

input：时间

output: shijian或sj

1、Maven依赖

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

2、工具类代码

package com.spacevast.common.utils;

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;

/**
 * @Author: PengCheng.Wu
 * @Date: 2021/8/26 12:57
 * @Description: <拼音工具类>
 */

public class PinYinUtils {

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

    /**
     * 获取汉字串拼音首字母，英文字符不变
     *
     * @param chinese 汉字串
     * @return 汉语拼音首字母
     */
    public static String getFirstSpell(String chinese) {
        StringBuilder pybf = new StringBuilder();
        char[] arr = chinese.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (char c : arr) {
            if (c > 128) {
                try {
                    String[] temp = PinyinHelper.toHanyuPinyinStringArray(c, defaultFormat);
                    if (temp != null) {
                        pybf.append(temp[0].charAt(0));
                    }
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    e.printStackTrace();
                }
            } else {
                pybf.append(c);
            }
        }
        return pybf.toString().replaceAll("\\W", "").trim();
    }

    /**
     * 获取第一个汉字串拼音首字母，英文字符不变
     *
     * @param chinese 汉字串
     * @return 第一个汉字的拼音大写首字母
     */
    public static String getFirstPy(String chinese) {
        String firstSpell = getFirstSpell(chinese);
        return "".equals(firstSpell) ? firstSpell : firstSpell.substring(0, 1).toUpperCase();
    }

    /**
     * 获取汉字串拼音，英文字符不变
     *
     * @param chinese 汉字串
     * @return 汉语拼音
     */
    public static String getFullSpell(String chinese) {
        StringBuilder pybf = new StringBuilder();
        char[] arr = chinese.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (char c : arr) {
            if (c > 128) {
                try {
                    pybf.append(PinyinHelper.toHanyuPinyinStringArray(c, defaultFormat)[0]);
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    e.printStackTrace();
                }
            } else {
                pybf.append(c);
            }
        }
        return pybf.toString();
    }
}

.END

给个一键三连吧~