汉字转换拼音工具类

package com.util;

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

import org.apache.jasper.tagplugins.jstl.core.ForEach;

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;

/**
 * 功能说明:汉字转换拼音工具类
 */
public class PinyinUtil   {

    // 将汉字转换为拼音的全拼的大写,非汉字的原样输出
    public static StringBuilder getQuanPin(String str) {

        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < str.length(); i++) {
            char s = str.charAt(i);

            /**
             * PinyinHelper.toHanyuPinyinStringArray说明:
             * 1、参数传中文,返回值是这个汉字的小写拼音+这个汉字是几声。比如:参数传 "汉 ",return的String[ ] 就是 [han4] 
             * 2、当传字母时,返回值是null。 
             * 注意:toHanyuPinyinStringArray接收的参数是char,意思就是说一次只能转换一个,
             * 比如“美”是string,toHanyuPinyinStringArray不能直接接收,
             * 每次只能传一个,返回的那个String数组里肯定只有一个元素。
             */
            String[] s1 = PinyinHelper.toHanyuPinyinStringArray(s);

            if (null == s1) {
                sb.append(s);
            } else {
                String up = s1[0].substring(0, s1[0].length() - 1);
                up = up.toUpperCase();
                sb.append(up);
            }
        }
        return sb;
    }
    /**
     * 汉字转换位汉语拼音首字母,英文字符不变,特殊字符丢失 支持多音字,生成方式如(长沙市长:cssc,zssz,zssc,cssz)
     *
     * @param chines汉字

     *          
     * @return 拼音
     */
    public static String converterToFirstSpell(String chines) {
        StringBuffer pinyinName = new StringBuffer();
        char[] nameChar = chines.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (int i = 0; i < nameChar.length; i++) {
            if (nameChar[i] > 128) {
                try {
                    // 取得当前汉字的所有全拼
                    String[] strs = PinyinHelper.toHanyuPinyinStringArray(
                            nameChar[i], defaultFormat);
                    if (strs != null) {
                        for (int j = 0; j < strs.length; j++) {
                            // 取首字母
                            pinyinName.append(strs[j].charAt(0));
                            if (j != strs.length - 1) {
                                pinyinName.append(",");
                            }
                        }
                    }
                    // else {
                    // pinyinName.append(nameChar[i]);
                    // }
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    e.printStackTrace();
                }
            } else {
                pinyinName.append(nameChar[i]);
            }
            pinyinName.append(" ");
        }
        // return pinyinName.toString();
        return parseTheChineseByObject(discountTheChinese(pinyinName.toString()));
    }
    /**
     * 解析并组合拼音,对象合并方案(推荐使用)
     *
     * @return
     */
    private static String parseTheChineseByObject(
            List<Map<String, Integer>> list) {
        Map<String, Integer> first = null; // 用于统计每一次,集合组合数据
        // 遍历每一组集合
        for (int i = 0; i < list.size(); i++) {
            // 每一组集合与上一次组合的Map
            Map<String, Integer> temp = new Hashtable<String, Integer>();
            // 第一次循环,first为空
            if (first != null) {
                // 取出上次组合与此次集合的字符,并保存
                for (String s : first.keySet()) {
                    for (String s1 : list.get(i).keySet()) {
                        String str = s + s1;
                        temp.put(str, 1);
                    }
                }
                // 清理上一次组合数据
                if (temp != null && temp.size() > 0) {
                    first.clear();
                }
            } else {
                for (String s : list.get(i).keySet()) {
                    String str = s;
                    temp.put(str, 1);
                }
            }
            // 保存组合数据以便下次循环使用
            if (temp != null && temp.size() > 0) {
                first = temp;
            }
        }
        String returnStr = "";
        if (first != null) {
            // 遍历取出组合字符串
            for (String str : first.keySet()) {
                returnStr += (str + ",");
            }
        }
        if (returnStr.length() > 0) {
            returnStr = returnStr.substring(0, returnStr.length() - 1);
        }
        return returnStr;
    }

    /**
     * 去除多音字重复数据
     *
     * @param theStr
     * @return
     */
    private static List<Map<String, Integer>> discountTheChinese(String theStr) {
        // 去除重复拼音后的拼音列表
        List<Map<String, Integer>> mapList = new ArrayList<Map<String, Integer>>();
        // 用于处理每个字的多音字,去掉重复
        Map<String, Integer> onlyOne = null;
        String[] firsts = theStr.split(" ");
        // 读出每个汉字的拼音
        for (String str : firsts) {
            onlyOne = new Hashtable<String, Integer>();
            String[] china = str.split(",");
            // 多音字处理
            for (String s : china) {
                Integer count = onlyOne.get(s);
                if (count == null) {
                    onlyOne.put(s, new Integer(1));
                } else {
                    onlyOne.remove(s);
                    count++;
                    onlyOne.put(s, count);
                }
            }
            mapList.add(onlyOne);
        }
        return mapList;
    }



    /**
     * 汉字转换位汉语全拼,英文字符不变,特殊字符丢失
     * 支持多音字,生成方式如(重当参:zhongdangcen,zhongdangcan,chongdangcen
     * ,chongdangshen,zhongdangshen,chongdangcan)
     *
     * @param chines
     *            汉字
     * @return 拼音
     */
    public static String converterToSpell(String chines) {
        StringBuffer pinyinName = new StringBuffer();
        char[] nameChar = chines.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (int i = 0; i < nameChar.length; i++) {
            if (nameChar[i] > 128) {
                try {
                    // 取得当前汉字的所有全拼
                    String[] strs = PinyinHelper.toHanyuPinyinStringArray(
                            nameChar[i], defaultFormat);
                    if (strs != null) {
                        for (int j = 0; j < strs.length; j++) {
                            pinyinName.append(strs[j]);
                            if (j != strs.length - 1) {
                                pinyinName.append(",");
                            }
                        }
                    }
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    e.printStackTrace();
                }
            } else {
                pinyinName.append(nameChar[i]);
            }
            pinyinName.append(" ");
        }
        // return pinyinName.toString();
        return parseTheChineseByObject(discountTheChinese(pinyinName.toString()));

    }

    /**
     * 返回List集合
     * @param str 拼音字符串
     * @return 返回割分后的集合集合
     */
    public static List<Object> stringToList(String str){
        List<Object> list = new ArrayList<>();
        if(str.contains(",")) {
            String[] split = str.split(",");
            for (String string : split) {
                list.add(string);
            }
        }
        return list;
    }
    //测试
    public static void main(String[] args) {
        //多音字转全拼
        String str01 = PinyinUtil.converterToSpell("重长");
        //多音字转首字母
        String str02 = PinyinUtil.converterToFirstSpell("重长");
        System.out.println(str02+"	"+str01);
        //转为List
        List<Object> strList = PinyinUtil.stringToList(str02);
        for (Object object : strList) {
            if ("Zc ".trim().equalsIgnoreCase(object.toString())) {
                System.out.println("ok");
            }else{
                System.out.println("error");
            }
        }   
    }
}

maven导入的包

        <dependency>
            <groupId>com.belerweb</groupId>
            <artifactId>pinyin4j</artifactId>
            <version>2.5.0</version>
        </dependency>
勿忘初心 得过且过
原文地址:https://www.cnblogs.com/xpf1009/p/9227306.html