java開源類庫pinyin4j的使用

2019-11-17 04:04:49

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import java.util.Arrays;
import java.util.Comparator;
import java.util.List;

import net.sourceforge.pinyin4j.PinyinHelper;

public class PinyinComparator implements Comparator<Object> {

    PRivate String concatPinyinStringArray(String[] pinyinArray) {
        StringBuffer pinyinStrBuf = new StringBuffer();

        if ((null != pinyinArray) && (pinyinArray.length > 0)) {
            for (int i = 0; i < pinyinArray.length; i++) {
                pinyinStrBuf.append(pinyinArray[i]);
            }
        }
        String outputString = pinyinStrBuf.toString();
        return outputString;
    }

    public int compare(Object o1, Object o2) {

        int length1 = ((String) o1).length();
        int length2 = ((String) o2).length();

        int length = length1 - length2 > 0 ? length2 : length1;

        for (int i = 0; i < length; i++) {
            char c1 = ((String) o1).charAt(i);
            char c2 = ((String) o2).charAt(i);

            String c1topinyin = concatPinyinStringArray(PinyinHelper.toHanyuPinyinStringArray(c1));
            String c2topinyin = concatPinyinStringArray(PinyinHelper.toHanyuPinyinStringArray(c2));

            if ("".equals(c1topinyin) && "".equals(c2topinyin)) {
                if (c1 - c2 == 0) {
                    continue;
                }
                else {
                    return c1 - c2;
                }

            }
            else if ("".equals(c1topinyin) && !"".equals(c2topinyin)) {
                return -1;
            }
            else if (!"".equals(c1topinyin) && "".equals(c2topinyin)) {
                return 1;
            }
            else {
                int pinyinCompareValue = c1topinyin.compareTo(c2topinyin);
                if (pinyinCompareValue == 0) {
                    if (c1 - c2 == 0) {
                        continue;
                    }
                    else {
                        //同音字按筆畫比較先不實現
                        return c1 - c2;
                    }

                }
                return pinyinCompareValue;
            }
        }

        return length1 - length2;
    }

    public static void main(String[] args) {
        String[] data = { "13", "12", "123a", "1234", "123", "張a", "李四", "張a1", "章a", "9", "7", "镕", "C", "H", "張A", "重申", "重量" };
        List list = Arrays.asList(data);
        Arrays.sort(data, new PinyinComparator());
        System.out.println(list);
    }

}

測試結果：

[12, 123, 1234, 123a, 13, 7, 9, C, H, 李四, 镕, 張A, 張a, 張a1, 章a, 重量, 重申]

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