浅析pinyin4j源码 简单利用pinyin4j对中文字符进行自然排序

package demo;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import net.sourceforge.pinyin4j.PinyinHelper;

public class ConvertTest {

    public static void main(String[] args) {
        String src = "我们中间出了一个叛徒";
        char[] arr = src.toCharArray();
        System.out.println("数组长度是："+arr.length);
        System.out.print("原始顺序：");
        for (char temp : arr) {
            System.out.print(temp+" ");
        }
        System.out.println();
        convertToHanyuPinyin(arr);
    }
    
    private static List<String> convertToHanyuPinyin(char[] array){
        HashMap<String, String> map = new HashMap<String, String>();
        for (int i = 0; i < array.length; i++) {
            //得到拼音首字母
            String value = (PinyinHelper.toHanyuPinyinStringArray(array[i]))[0].substring(0, 1);
            map.put(String.valueOf(array[i]), value);
        }
        System.out.println(map);
        List<String> list = sort(map);
        return list;
    }
    
    private static List<String> sort(Map map){
         List<Map.Entry<String, String>> infoIds = 
                         new ArrayList<Map.Entry<String, String>>(map.entrySet());
        // 对HashMap中的 value 进行排序  
        Collections.sort(infoIds, new Comparator<Map.Entry<String, String>>() {
            @Override
            public int compare(Map.Entry<String, String> o1,  
                    Map.Entry<String, String> o2) {  
                return (o1.getValue()).compareTo(o2.getValue());  
            }  
        });  
  
        List<String> list = new ArrayList<String>();
        /*****************FOR　TEST***********************/
        List<String> letterList = new ArrayList<String>();
        /*****************FOR　TEST***********************/
        // 对HashMap中的 value 进行排序后  显示排序结果  
        for (int i = 0; i < infoIds.size(); i++) {  
            Map.Entry<String,String> entry = infoIds.get(i); 
            list.add(entry.getKey());
            letterList.add(entry.getValue());
        }
        
        /*****************FOR　TEST***********************/
        System.out.print("自然顺序:");
        for (String string : list) {
            System.out.print(string + "   ");
        }
        
        System.out.println();
        
        System.out.print("字母顺序:");
        for (String string : letterList) {
            System.out.print(string +" ");
        }
        /*****************FOR　TEST***********************/
        return list;
    }
}