pinyin4j简单用法

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pinyin4j是一个支持将中文转换到拼音的Java开源类库，pinyin4j能够根据中文字符获取其对应的拼音，而且拼音的格式可以定制。pinyin4j的主页：http://pinyin4j.sourceforge.net/
1. 支持简体中文和繁体中文字符；
2. 支持转换到汉语拼音，通用拼音, 威妥玛拼音（威玛拼法）, 注音符号第二式, 耶鲁拼法和国语罗马字；
3. 支持多音字，即可以获取一个中文字符的多种发音；
4. 支持多种字符串输出格式，比如支持Unicode格式的字符ü和声调符号(阴平 "ˉ",阳平"ˊ",上声"ˇ",去声"ˋ")的输出。

简单的例子(支持多音字)：

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;

/*******************************************************************************
* pinyin4j is a plug-in, you can kind of Chinese characters into phonetic.Multi-tone character,Tone
* Detailed view http://pinyin4j.sourceforge.net/
*
* @author Administrator
* @ClassName: Pinyin4jUtil
* @Description: TODO
* @author wang_china@foxmail.com
* @date Jan 13, 2012 9:28:28 AM
*/
public class Pinyin4jUtil {

/***************************************************************************
* 获取中文汉字拼音默认输出
* @Name: Pinyin4jUtil.java
* @Description: TODO
* @author: wang_chian@foxmail.com
* @version: Jan 13, 2012 9:54:01 AM
* @param chinese
* @return
*/
public static String getPinyin(String chinese) {
return getPinyinZh_CN(makeStringByStringSet(chinese));
}

/***************************************************************************
* 拼音大写输出
*
* @Name: Pinyin4jUtil.java
* @Description: TODO
* @author: wang_chian@foxmail.com
* @version: Jan 13, 2012 9:58:45 AM
* @param chinese
* @return
*/
public static String getPinyinToUpperCase(String chinese) {
return getPinyinZh_CN(makeStringByStringSet(chinese)).toUpperCase();
}

/***************************************************************************
* 拼音小写输出
*
* @Name: Pinyin4jUtil.java
* @Description: TODO
* @author: wang_chian@foxmail.com
* @version: Jan 13, 2012 9:58:45 AM
* @param chinese
* @return
*/
public static String getPinyinToLowerCase(String chinese) {
return getPinyinZh_CN(makeStringByStringSet(chinese)).toLowerCase();
}

/***************************************************************************
* 首字母大写输出
*
* @Name: Pinyin4jUtil.java
* @Description: TODO
* @author: wang_chian@foxmail.com
* @version: Jan 13, 2012 10:00:54 AM
* @param chinese
* @return
*/
public static String getPinyinFirstToUpperCase(String chinese) {
return getPinyin(chinese);
}

/***************************************************************************
* 拼音简拼输出
*
* @Name: Pinyin4jUtil.java
* @Description: TODO
* @author: wang_chian@foxmail.com
* @version: Jan 13, 2012 11:08:15 AM
* @param chinese
* @return
*/
public static String getPinyinJianPin(String chinese) {
return getPinyinConvertJianPin(getPinyin(chinese));
}

/***************************************************************************
* 字符集转换
*
* @Name: Pinyin4jUtil.java
* @Description: TODO
* @author: wang_chian@foxmail.com
* @version: Jan 13, 2012 9:34:11 AM
* @param chinese
*            中文汉字
* @throws BadHanyuPinyinOutputFormatCombination
*/
public static Set<String> makeStringByStringSet(String chinese) {
  char[] chars = chinese.toCharArray();
  if (chinese != null && !chinese.trim().equalsIgnoreCase("")) {
   char[] srcChar = chinese.toCharArray();
   String[][] temp = new String[chinese.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
if (String.valueOf(c).matches("[\\u4E00-\\u9FA5]+")) {

     try {
      temp[i] = PinyinHelper.toHanyuPinyinStringArray(
        chars[i], getDefaultOutputFormat());

     } 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.valueOf(srcChar[i]) };
                }
   }
   String[] pingyinArray = Exchange(temp);
   Set<String> zhongWenPinYin = new HashSet<String>();
   for (int i = 0; i < pingyinArray.length; i++) {
    zhongWenPinYin.add(pingyinArray[i]);
   }
   return zhongWenPinYin;
  }
  return null;
}

/***************************************************************************
* Default Format 默认输出格式
*
* @Name: Pinyin4jUtil.java
* @Description: TODO
* @author: wang_chian@foxmail.com
* @version: Jan 13, 2012 9:35:51 AM
* @return
*/
public static HanyuPinyinOutputFormat getDefaultOutputFormat() {
  HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
  format.setCaseType(HanyuPinyinCaseType.LOWERCASE);// 小写
  format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);// 没有音调数字
  format.setVCharType(HanyuPinyinVCharType.WITH_U_AND_COLON);// u显示
  return format;
}

/***************************************************************************
*
* @Name: Pinyin4jUtil.java
* @Description: TODO
* @author: wang_chian@foxmail.com
* @version: Jan 13, 2012 9:39:47 AM
* @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] = capitalize(strJaggedArray[0][i])
       + capitalize(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;
  }
}

/***************************************************************************
* 首字母大写
*
* @Name: Pinyin4jUtil.java
* @Description: TODO
* @author: wang_chian@foxmail.com
* @version: Jan 13, 2012 9:36:18 AM
* @param s
* @return
*/
public static String capitalize(String s) {
        char ch[];
        ch = s.toCharArray();
        if (ch!= null && ch.length > 0) { //修改[/color]
         if (ch[0] >= 'a' && ch[0] <= 'z') {
             ch[0] = (char) (ch[0] - 32);
         }
        }
        String newString = new String(ch);
        return newString;
    }

/***************************************************************************
* 字符串集合转换字符串(逗号分隔)
*
* @Name: Pinyin4jUtil.java
* @Description: TODO
* @author: wang_chian@foxmail.com
* @version: Jan 13, 2012 9:37:57 AM
* @param stringSet
* @return
*/
public static String getPinyinZh_CN(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();
}

/***************************************************************************
* 获取每个拼音的简称
*
* @Name: Pinyin4jUtil.java
* @Description: TODO
* @author: wang_chian@foxmail.com
* @version: Jan 13, 2012 11:05:58 AM
* @param chinese
* @return
*/
public static String getPinyinConvertJianPin(String chinese) {
  String[] strArray = chinese.split(",");
  String strChar = "";
  for (String str : strArray) {
   char arr[] = str.toCharArray(); // 将字符串转化成char型数组
   for (int i = 0; i < arr.length; i++) {
    if (arr[i] >= 65 && arr[i] < 91) { // 判断是否是大写字母
     strChar += new String(arr[i] + "");
    }
   }
   strChar += ",";
  }
  return strChar;
}

/***************************************************************************
* Test
*
* @Name: Pinyin4jUtil.java
* @Description: TODO
* @author: wang_chian@foxmail.com
* @version: Jan 13, 2012 9:49:27 AM
* @param args
*/
public static void main(String[] args) {
  String str = "单强";
  System.out.println("小写输出：" + getPinyinToLowerCase(str));
  System.out.println("大写输出：" + getPinyinToUpperCase(str));
  System.out.println("首字母大写输出：" + getPinyinFirstToUpperCase(str));
  System.out.println("简拼输出：" + getPinyinJianPin(str));

}
}

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