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package com.example.f;

import java.util.Comparator;

import net.sourceforge.pinyin4j.PinyinHelper;

public class PinyinComparator implements Comparator {

public int compare(String o1, String o2) {

for (int i = 0; i < o1.length() && i < o2.length(); i++) {

int codePoint1 = o1.charAt(i);

int codePoint2 = o2.charAt(i);

if (Character.isSupplementaryCodePoint(codePoint1) || Character.isSupplementaryCodePoint(codePoint2)) {

i++;

}

if (codePoint1 != codePoint2) {

if (Character.isSupplementaryCodePoint(codePoint1) || Character.isSupplementaryCodePoint(codePoint2)) {

return codePoint1 - codePoint2;

}

String pinyin1 = pinyin((char) codePoint1);

String pinyin2 = pinyin((char) codePoint2);

if (pinyin1 != null && pinyin2 != null) {

// 兩個字符都是漢字

if (!pinyin1.equals(pinyin2)) {

return pinyin1.compareTo(pinyin2);

}

} else {

return codePoint1 - codePoint2;

}

}

}

return o1.length() - o2.length();

}

/** * 字符的拼音，多音字就得到第一個拼音。不是漢字，就return null。 */

private static String pinyin(char c) {

String[] pinyins = PinyinHelper.toHanyuPinyinStringArray(c);

if (pinyins == null) {

return null;

}

return pinyins[0];

}

}

//需要倒入pinyin4j－2.5.0.jar包！

}

}

}

}

}

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