Java中文转汉语拼音类库pinyin4j使用示例详解编程语言

pinyin4j的java开源类库，提供中文转汉语拼音(并且支持多音字)

pinyin4j官方网址:http://pinyin4j.sourceforge.net/

import java.util.HashSet; 
import java.util.Set; 
 
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.HanyuPinyinVCharType; 
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination; 
 
public class pinyin4j { 
  
 /** 
  * 字符串集合转换字符串(逗号分隔) 
  * @author wyh 
  * @param stringSet 
  * @return 
  */ 
 public static String makeStringByStringSet(Set<String> stringSet){ 
  StringBuilder str = new StringBuilder(); 
  int i=0; 
  for(String s : stringSet){ 
   if(i == stringSet.size() - 1){ 
    str.append(s); 
   }else{ 
    str.append(s + ","); 
   } 
   i++; 
  } 
  return str.toString().toLowerCase(); 
 } 
  
 /** 
  * 获取拼音集合 
  * @author wyh 
  * @param src 
  * @return Set<String> 
  */ 
 public static Set<String> getPinyin(String src){ 
  if(src!=null && !src.trim().equalsIgnoreCase("")){ 
   char[] srcChar ; 
   srcChar=src.toCharArray(); 
   //汉语拼音格式输出类 
   HanyuPinyinOutputFormat hanYuPinOutputFormat = new HanyuPinyinOutputFormat(); 
 
//输出设置，大小写，音标方式等 
   hanYuPinOutputFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);  
   hanYuPinOutputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE) 
   hanYuPinOutputFormat.setVCharType(HanyuPinyinVCharType.WITH_V); 
    
   String[][] temp = new String[src.length()][]; 
   for(int i=0;i<srcChar.length;i++){ 
    char c = srcChar[i]; 
    //是中文或者a-z或者A-Z转换拼音(我的需求，是保留中文或者a-z或者A-Z) 
    if(String.valueOf(c).matches("[//u4E00-//u9FA5]+")){ 
     try{ 
      temp[i] = PinyinHelper.toHanyuPinyinStringArray(srcChar[i], hanYuPinOutputFormat); 
     }catch(BadHanyuPinyinOutputFormatCombination e) { 
      e.printStackTrace(); 
     } 
    }else if(((int)c>=65 && (int)c<=90) || ((int)c>=97 && (int)c<=122)){ 
     temp[i] = new String[]{String.valueOf(srcChar[i])}; 
    }else{ 
     temp[i] = new String[]{""}; 
    } 
   } 
   String[] pingyinArray = Exchange(temp); 
   Set<String> pinyinSet = new HashSet<String>(); 
   for(int i=0;i<pingyinArray.length;i++){ 
    pinyinSet.add(pingyinArray[i]); 
   } 
   return pinyinSet; 
  } 
  return null; 
 } 
  
 /** 
  * 递归 
  * @author wyh 
  * @param strJaggedArray 
  * @return 
  */ 
    public static String[] Exchange(String[][] strJaggedArray){ 
        String[][] temp = DoExchange(strJaggedArray); 
        return temp[0];        
    } 
    
    /** 
     * 递归 
     * @author wyh 
     * @param strJaggedArray 
     * @return 
     */ 
    private static String[][] DoExchange(String[][] strJaggedArray){ 
        int len = strJaggedArray.length; 
        if(len >= 2){            
            int len1 = strJaggedArray[0].length; 
            int len2 = strJaggedArray[1].length; 
            int newlen = len1*len2; 
            String[] temp = new String[newlen]; 
            int Index = 0; 
            for(int i=0;i<len1;i++){ 
                for(int j=0;j<len2;j++){ 
                    temp[Index] = strJaggedArray[0][i] + strJaggedArray[1][j]; 
                    Index ++; 
                } 
            } 
            String[][] newArray = new String[len-1][]; 
            for(int i=2;i<len;i++){ 
                newArray[i-1] = strJaggedArray[i];                            
            } 
            newArray[0] = temp; 
            return DoExchange(newArray); 
        }else{ 
         return strJaggedArray;    
        } 
    } 
    
 /** 
  * @param args 
  */ 
 public static void main(String[] args) { 
  String str = "单田芳"; 
  System.out.println(makeStringByStringSet(getPinyin(str))); 
 
} 
 
}