汉字转拼音(支持多音字)

pom文件引入pinyin4j


    
	    com.belerweb
	    pinyin4j
	    2.5.1
	
package com.toutiao_efficiency.modules.documet_file.service;

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

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;

public class Pinyin4jUtil {    
    
    /**  
     * 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()));    
    }    
    
    /**  
     * 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()));    
    }    
    
    /**  
     * 去除多音字重复数据  
     *   
     * @param theStr  
     * @return  
     */    
    private static List> discountTheChinese(String theStr) {    
        // 去除重复拼音后的拼音列表    
        List> mapList = new ArrayList>();    
        // 用于处理每个字的多音字,去掉重复    
        Map onlyOne = null;    
        String[] firsts = theStr.split(" ");    
        // 读出每个汉字的拼音    
        for (String str : firsts) {    
            onlyOne = new Hashtable();    
            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;    
    }    
    
    /**  
     * 解析并组合拼音,对象合并方案(推荐使用)  
     *   
     * @return  
     */    
    private static String parseTheChineseByObject(    
            List> list) {    
        Map 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 temp = new Hashtable();    
            // 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;    
    }    
    
    public static void main(String[] args) {
    	System.out.println(Pinyin4jUtil.converterToSpell("徐长城"));
	}
}    

 

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