wlyy2.0/business/base-service/src/main/java/com/yihu/jw/utils/PinYinUtil.java

package com.yihu.jw.utils;

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;

import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

public class PinYinUtil {
	/** 
     * 获取汉字串拼音首字母，英文字符不变 
     * @param chinese 汉字串 
     * @return 汉语拼音首字母 
     */ 
    public static String getFirstSpell(String chinese) { 
        StringBuffer pybf = new StringBuffer();
        char[] arr = chinese.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
            for (int i = 0; i < arr.length; i++) {
                    if (arr[i] > 128) {
                            try {
                                    String[] temp = PinyinHelper.toHanyuPinyinStringArray(arr[i], defaultFormat);
                                    if (temp != null) {
                                            pybf.append(temp[0].charAt(0));
                                    }
                            } catch (BadHanyuPinyinOutputFormatCombination e) {
                                    e.printStackTrace();
                            }
                    } else {
                            pybf.append(arr[i]);
                    }
            }
            return pybf.toString().replaceAll("\\W", "").trim();
    } 

    /** 
     * 获取汉字串拼音，英文字符不变 
     * @param chinese 汉字串 
     * @return 汉语拼音 
     */ 
    public static String getFullSpell(String chinese) { 
            StringBuffer pybf = new StringBuffer(); 
            char[] arr = chinese.toCharArray(); 
            HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat(); 
            defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE); 
            defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE); 
            for (int i = 0; i < arr.length; i++) { 
                    if (arr[i] > 128) { 
                            try { 
                                    pybf.append(PinyinHelper.toHanyuPinyinStringArray(arr[i], defaultFormat)[0]); 
                            } catch (BadHanyuPinyinOutputFormatCombination e) { 
                                    e.printStackTrace(); 
                            } 
                    } else { 
                            pybf.append(arr[i]); 
                    } 
            } 
            return pybf.toString(); 
    }

    /**
     * 字符串按拼音排序
     * @param list
     * @return
     */
    public static Map<String,List<Object>> pingYinSortByString(List<String> list){
            Map<String,List<Object>>  map =  new LinkedHashMap<>();
            String[] alphatables = {"a", "b", "c", "d", "e", "f", "g", "h", "i",
                    "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"};
            for (String alpha : alphatables){
                    for(String one:list){
                            String firstSpell = PinYinUtil.getFirstSpell(one).substring(0,1);
                            if (alpha.equals(firstSpell)){
                                    List<Object> resultList = null;
                                    if(map.get(alpha)==null){
                                            resultList = new ArrayList();
                                    }else{
                                            resultList = map.get(alpha);
                                    }
                                    resultList.add(one);
                                    map.put(alpha,resultList);
                            }
                    }
            }
            return map;
    }

    /**
    * 字符串按拼音排序
    * @param
    * @return
    */
    public static Map<String,Object> pingYinSort(List<Map<String,Object>> result){
            Map<String,Object>  map =  new LinkedHashMap <>();
            String[] alphatables = {"a", "b", "c", "d", "e", "f", "g", "h", "i",
                    "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"};
            if (result.size() > 0) {
                    for (String alpha : alphatables){
                            List<Map<String,Object>> resultList = new ArrayList<>();
                            for (Map<String,Object> one : result){
                                    String name = String.valueOf(one.get("name"));
                                    String firstSpell = PinYinUtil.getFirstSpell(name).substring(0,1);
                                    if (alpha.equals(firstSpell)){
                                            resultList.add(one);
                                            map.put(alpha,resultList);
                                    }
                            }
                    }
                    return map;
            } else {
                    return map;
            }
    }
}