android实现汉字转拼音功能 带多音字识别

 /** * 汉字转成ASCII码 * * @param chs * @return */  private int getChsAscii(String chs) {   int asc = 0;   try {    byte[] bytes = chs.getBytes("gb2312");    if (bytes == null || bytes.length > 2 || bytes.length <= 0) {     throw new RuntimeException("illegal resource string");    }    if (bytes.length == 1) {     asc = bytes[0];    }    if (bytes.length == 2) {     int hightByte = 256 + bytes[0];     int lowByte = 256 + bytes[1];     asc = (256 * hightByte + lowByte) - 256 * 256;    }   } catch (Exception e) {    System.out.println("ERROR:ChineseSpelling.class-getChsAscii(String chs)" + e);   }   return asc;  }

public String getSellingWithPolyphone(String chs){   if(polyphoneMap != null && polyphoneMap.isEmpty()){    polyphoneMap = initDictionary();   }   String key, value, resultPy = null;   buffer = new StringBuilder();   for (int i = 0; i < chs.length(); i++) {    key = chs.substring(i, i + 1);    if (key.getBytes().length >= 2) {     value = (String) convert(key);     if (value == null) {      value = "unknown";     }    } else {     value = key;    }    resultPy = value;    String left = null;    if(i>=1 && i+1 <= chs.length()){     left = chs.substring(i-1,i+1);     if(polyphoneMap.containsKey(value) && polyphoneMap.get(value).contains(left)){      resultPy = value;     }    }//    if(chs.contains("重庆")){     String right = null; //向右多取一个字,例如 [长]沙     if(i<=chs.length()-2){      right = chs.substring(i,i+2);      if(polyphoneMap.containsKey(right)){       resultPy = polyphoneMap.get(right);      }     }//    }    String middle = null; //左右各多取一个字,例如 龙[爪]槐    if(i>=1 && i+2<=chs.length()){     middle = chs.substring(i-1,i+2);     if(polyphoneMap.containsKey(value) && polyphoneMap.get(value).contains(middle)){      resultPy = value;     }    }    String left3 = null; //向左多取2个字,如 芈月[传],列车长    if(i>=2 && i+1<=chs.length()){     left3 = chs.substring(i-2,i+1);     if(polyphoneMap.containsKey(value) && polyphoneMap.get(value).contains(left3)){      resultPy = value;     }    }    String right3 = null; //向右多取2个字,如 [长]孙无忌    if(i<=chs.length()-3){     right3 = chs.substring(i,i+3);     if(polyphoneMap.containsKey(value) && polyphoneMap.get(value).contains(right3)){      resultPy = value;     }    }    buffer.append(resultPy);   }   return buffer.toString();  }

 public HashMap<String, String> initDictionary(){  String fileName = "py4j.dic";  InputStreamReader inputReader = null;  BufferedReader bufferedReader = null;  HashMap<String, String> polyphoneMap = new HashMap<String, String>();  try{   inputReader = new InputStreamReader(MyApplication.mContext.getResources().getAssets().open(fileName),"UTF-8");   bufferedReader = new BufferedReader(inputReader);   String line = null;   while((line = bufferedReader.readLine()) != null){    String[] arr = line.split(PINYIN_SEPARATOR);    if(isNotEmpty(arr[1])){     String[] dyzs = arr[1].split(WORD_SEPARATOR);     for(String dyz: dyzs){      if(isNotEmpty(dyz)){       polyphoneMap.put(dyz.trim(),arr[0]);      }     }    }   }  }catch(Exception e){   e.printStackTrace();  }finally{   if(inputReader != null){    try {     inputReader.close();    } catch (IOException e) {     // TODO Auto-generated catch block     e.printStackTrace();    }   }   if(bufferedReader != null){    try {     bufferedReader.close();    } catch (IOException e) {     // TODO Auto-generated catch block     e.printStackTrace();    }   }  }  return polyphoneMap; }