12.中文转化为拼音工具类

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;

/**
 * @Description 中文转化为拼音工具类
 * @Date 2021/7/9 11:15
 * @Created by zlx
 */
public class Pinyin4jUtils {

    /**
     * 获得汉语拼音首字母 大写
     *
     * @param chines 汉字
     * @return
     */
    public static String getAlpha2UpperCase(String chines) {
        StringBuilder pinyinName = new StringBuilder();
        char[] nameChar = chines.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.UPPERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (char c : nameChar) {
            if (c > 128) {
                try {
                    pinyinName.append(PinyinHelper.toHanyuPinyinStringArray(c, defaultFormat)[0].charAt(0));
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    System.out.println("获得汉语拼音首字母异常:}" + e.getMessage());
                }
            } else {
                pinyinName.append(c);
            }
        }
        return pinyinName.toString();
    }

    /**
     * 将字符串中的中文转化为拼音,英文字符不变
     *
     * @param inputString 汉字
     * @return
     */
    public static String getPingYin(String inputString) {
        HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
        format.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        format.setVCharType(HanyuPinyinVCharType.WITH_V);
        StringBuilder output = new StringBuilder();
        if (null != inputString && 0 < inputString.length() && !"null".equals(inputString)) {
            char[] input = inputString.trim().toCharArray();
            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(Character.toString(c));
                    }
                }
            } catch (BadHanyuPinyinOutputFormatCombination e) {
                System.out.println("将字符串中的中文转化为拼音,英文字符不变异常 :" + e.getMessage());
            }
        } else {
            return "";
        }
        return output.toString();
    }

    /**
     * 汉字转换为汉语拼音首字母，英文字符不变
     *
     * @param chines 汉字
     * @return 拼音
     */
    public static String converterToFirstSpell(String chines) {
        StringBuilder pinyinName = new StringBuilder();
        char[] nameChar = chines.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.UPPERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (char c : nameChar) {
            if (c > 128) {
                try {
                    pinyinName.append(PinyinHelper.toHanyuPinyinStringArray(c, defaultFormat)[0].charAt(0));
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    System.out.println("汉字转换位汉语拼音首字母，英文字符不变异常 :" + e.getMessage());
                }
            } else {
                pinyinName.append(c);
            }
        }
        return pinyinName.toString();
    }

    /**
     * 汉字转换为汉语拼音首字母，英文字符不变(小写)
     *
     * @param chines 汉字
     * @return 拼音
     */
    public static String converterToFirstSpellSmal(String chines) {
        StringBuilder pinyinName = new StringBuilder();
        char[] nameChar = chines.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (char c : nameChar) {
            if (c > 128) {
                try {
                    if (Character.toString(c).matches("[\\u4E00-\\u9FA5]+")) {
                        pinyinName.append(PinyinHelper.toHanyuPinyinStringArray(c, defaultFormat)[0].charAt(0));
                    } else {
                        pinyinName.append(c);
                    }
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    System.out.println("汉字转换位汉语拼音首字母，英文字符不变异常:" + e.getMessage());
                }
            } else {
                pinyinName.append(c);
            }
        }
        return pinyinName.toString();
    }
}