String[] titles = {"关羽","张飞","公孙瓒","诸葛亮","曹操","刘备","赵云","微微", "哈哈", "哈", "怡情", "用友", "医院", "小米", "11", "2", "23", "234", "xiao", "at", "ok", "false"}; Comparator comparator = Collator.getInstance(java.util.Locale.CHINA); Arrays.sort(titles,comparator); for(String str:titles){ System.out.print(str +" "); }
原理:重写Comparator接口,将中文转为拼音,而后进行比较.排序结果准确.php
引入pinyin4j的jar包java
<!-- https://mvnrepository.com/artifact/com.belerweb/pinyin4j --> <dependency> <groupId>com.belerweb</groupId> <artifactId>pinyin4j</artifactId> <version>2.5.1</version> </dependency>
public class PinyinComparator implements Comparator<Object> { public int compare(Object o1, Object o2) { char c1 = ((String) o1).charAt(0); char c2 = ((String) o2).charAt(0); return concatPinyinStringArray( PinyinHelper.toHanyuPinyinStringArray(c1)).compareTo( concatPinyinStringArray(PinyinHelper .toHanyuPinyinStringArray(c2))); } private String concatPinyinStringArray(String[] pinyinArray) { StringBuffer pinyinSbf = new StringBuffer(); if ((pinyinArray != null) && (pinyinArray.length > 0)) { for (int i = 0; i < pinyinArray.length; i++) { pinyinSbf.append(pinyinArray[i]); } } return pinyinSbf.toString(); } public static void main(String[] args) { String[] arr = {"关羽2", "关羽1", "张飞", "公孙瓒", "诸葛亮", "曹操", "刘备", "赵云", "微微", "哈哈", "哈", "怡情", "用友", "医院", "小米", "张三", "李四", "王五", "赵六", "JAVA", "java", "AVA", "php", "PHP", "123", "2", "234", "126", "011", "123", "$%$#", "哈哈A", "1哈哈A", "1哈哈b", "1哈哈a", "哈哈", "哈", "怡情"}; List<String> list = Arrays.asList(arr); Collections.sort(list, new PinyinComparator()); System.out.println(list); } }