pinyin4J 使用示例(支持多音字)

/**
 * 汉字转换拼音工具类
 * 
 * @Project UserCenter
 * @Author shiming.xin
 * @Version 1.0
 * @Date Mar 30, 2011 10:36:07 AM
 */
public class PinYin4JCn {

 /**
  * 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(重当参:cdc,zds,cds,zdc)
  * 
  * @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<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;
 }

 /**
  * 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;
 }

 /**
  * 解析并组合拼音,循环读取方案(不灵活,不推荐使用)
  * 
  * 现在有如下几个数组: {1,2,3} {4,5} {7,8,9} {5,2,8}
  * 要求写出算法对以上数组进行数据组合,如:1475,1472,1478,1485,1482....如此类推,得到的组合刚好是以上数组的最隹组合(不多不少).
  * 注:要求有序组合(并非象“全排列算法”那般得到的组合是无序的):组合过程中,第一组数组排第一位、第二组排第二位、第三组排第三位....
  * 
  * @param list
  * @return
  */
 private static String parseTheChineseByFor(List<Map<String, Integer>> list) {
  StringBuffer sbf = new StringBuffer();
  int size = list.size();
  switch (size) {
  case 1:
   for (String s : list.get(0).keySet()) {
    String str = s;
    sbf.append(str + ",");
   }
   break;
  case 2:
   for (String s : list.get(0).keySet()) {
    for (String s1 : list.get(1).keySet()) {
     String str = s + s1;
     sbf.append(str + ",");
    }
   }
   break;
  case 3:
   for (String s : list.get(0).keySet()) {
    for (String s1 : list.get(1).keySet()) {
     for (String s2 : list.get(2).keySet()) {
      String str = s + s1 + s2;
      sbf.append(str + ",");
     }
    }
   }
   break;
  // 此处省略了数据组装过程,组装后的数据结构如下。
  // 注:List<Map<String, Integer>> list:List存的就是有多少组数据上面的是4组
  // Map就是具体的某一个数组(此处用Map主要是方便对其中数组中重复元素作处理)
  // StringBuffer sbf = new StringBuffer();--用于记录组合字符的缓冲器
  case 4:
   for (String s : list.get(0).keySet()) {
    for (String s1 : list.get(1).keySet()) {
     for (String s2 : list.get(2).keySet()) {
      for (String s3 : list.get(3).keySet()) {
       String str = s + s1 + s2 + s3;
       // 此处的sbf为StringBuffer
       sbf.append(str + ",");
      }
     }
    }
   }
   break;
  case 5:
   for (String s : list.get(0).keySet()) {
    for (String s1 : list.get(1).keySet()) {
     for (String s2 : list.get(2).keySet()) {
      for (String s3 : list.get(3).keySet()) {
       for (String s4 : list.get(4).keySet()) {
        String str = s + s1 + s2 + s3 + s4;
        sbf.append(str + ",");
       }
      }
     }
    }
   }
   break;
  case 6:
   for (String s : list.get(0).keySet()) {
    for (String s1 : list.get(1).keySet()) {
     for (String s2 : list.get(2).keySet()) {
      for (String s3 : list.get(3).keySet()) {
       for (String s4 : list.get(4).keySet()) {
        for (String s5 : list.get(5).keySet()) {
         String str = s + s1 + s2 + s3 + s4 + s5;
         sbf.append(str + ",");
        }
       }
      }
     }
    }
   }
   break;
  case 7:
   for (String s : list.get(0).keySet()) {
    for (String s1 : list.get(1).keySet()) {
     for (String s2 : list.get(2).keySet()) {
      for (String s3 : list.get(3).keySet()) {
       for (String s4 : list.get(4).keySet()) {
        for (String s5 : list.get(5).keySet()) {
         for (String s6 : list.get(6).keySet()) {
          String str = s + s1 + s2 + s3 + s4 + s5 + s6;
          sbf.append(str + ",");
         }
        }
       }
      }
     }
    }
   }
   break;
  }
  String str = sbf.toString();
  return str.substring(0, str.length() - 1);
 }

 public static void main(String[] args) {
  // 重当参差 重庆的j 刘煜,帕哈丁
  String str = "重当参";
  System.out.println(converterToFirstSpell(str));
  System.out.println(converterToSpell(str));
 }

}


 

使用pinyin4j将汉字转换成拼音需要下载pinyin4j的jar包,这里使用的是pinyin4j-2.5.0.jar;下载地址:http://sourceforge.net/projects/pinyin4j/files/latest/download?source=files

历史各个版本下载地址:http://sourceforge.net/projects/pinyin4j/files/

 

本文转自:http://hi.baidu.com/stevenblake/item/fc3906eba5dc2bf0fa42ba0b

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