JAVA将中文转换为拼音

import com.github.promeg.pinyinhelper.Pinyin;
import com.hankcs.hanlp.HanLP;
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.exception.BadHanyuPinyinOutputFormatCombination;

public class PinyinBenchmark {
    public static void main(String[] args) {
        String chinese = "中华人民共和国，欢迎您！";

        long startTime, endTime;

        // TinyPinyin
        startTime = System.currentTimeMillis();
        for (int i = 0; i < 10000; i++) {
            Pinyin.toPinyin(chinese, "");
        }
        endTime = System.currentTimeMillis();
        System.out.println("TinyPinyin: " + (endTime - startTime) + " ms");

        // HanLP
        startTime = System.currentTimeMillis();
        for (int i = 0; i < 10000; i++) {
            HanLP.convertToPinyinString(chinese, " ", false);
        }
        endTime = System.currentTimeMillis();
        System.out.println("HanLP: " + (endTime - startTime) + " ms");

        // Pinyin4j
        startTime = System.currentTimeMillis();
        for (int i = 0; i < 10000; i++) {
            convertUsingPinyin4j(chinese);
        }
        endTime = System.currentTimeMillis();
        System.out.println("Pinyin4j: " + (endTime - startTime) + " ms");
    }

    public static String convertUsingPinyin4j(String chinese) {
        HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
        format.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);

        StringBuilder pinyin = new StringBuilder();

        for (char c : chinese.toCharArray()) {
            try {
                if (Character.toString(c).matches("[\\u4E00-\\u9FA5]+")) {
                    String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(c, format);
                    if (pinyinArray != null) {
                        pinyin.append(pinyinArray[0]);
                    }
                } else {
                    pinyin.append(c);
                }
            } catch (BadHanyuPinyinOutputFormatCombination e) {
                e.printStackTrace();
            }
        }

        return pinyin.toString();
    }
}