java汉字转拼音工具类分享

本文实例为大家分享了java汉字转拼音工具类的具体代码，供大家参考，具体内容如下

import com.google.common.base.Strings;
import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.TreeSet;

public class PinyinUtils {
  private static final Logger logger = LoggerFactory.getLogger(PinyinUtils.class);

  
  public static String[] convert(String str) {
    String[] reslut = null;
    HanyuPinyinOutputFormat hanyuPinyinOutputFormat = new HanyuPinyinOutputFormat();
    hanyuPinyinOutputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
    try {
      reslut = PinyinHelper.toHanyuPinyinStringArray(str.charAt(0), hanyuPinyinOutputFormat);
      TreeSet stringTreeSet = new TreeSet<>();
      for (int i = 0; i < reslut.length; i++) {
 if(reslut.length >=3) {
   break;
 }
 stringTreeSet.add(reslut[i].replace("u:","v"));
      }
      reslut = new String[stringTreeSet.size()];
      reslut = stringTreeSet.toArray(reslut);
    } catch (BadHanyuPinyinOutputFormatCombination badHanyuPinyinOutputFormatCombination) {
      badHanyuPinyinOutputFormatCombination.printStackTrace();
    } catch (Exception e) {
      logger.error("[convert]: ", e);
    }
    return reslut;
  }

  
  public static String getSelling(String chs) {
    return translate(chs, false);
  }

  
  private static String translate(String chs, boolean acronym) {
    StringBuffer buffer=new StringBuffer();
    if (Strings.isNullOrEmpty(chs))
      return "";
    try {
      List> temps = new ArrayList<>();
      int len = chs.length();
      int len1 = 0;
      for (int i = 0; i < len; i++) {
 List stringList = new ArrayList<>();
 String key = chs.charAt(i) + "";
 if (key.getBytes().length >= 2) {
   String[] temp = convert(key);
   if(temp.length == 0) {
     continue;
   }
   if (temp == null) {
     stringList.add("");
   } else {
     for (String v : temp) {
stringList.add(v);
     }
   }
 } else {
   stringList.add(key);
 }
 temps.add(stringList);
 len1++;
      }
      List> t = new ArrayList<>();
      for (int i = 0; i < len1; i++) {
 List currentList = new ArrayList<>();
 List stringList = temps.get(i);
 if (stringList != null) {
   for (String s : stringList) {
     if (acronym) {
s = s.charAt(0) + "";
     }
     if (i > 0) {
List preList = t.get(i - 1);
if (preList != null) {
  for (String s1 : preList) {
    currentList.add(s1 + s);
  }
}
     }else{
currentList.add(s);
     }
   }
 }
 t.add(i, currentList);
      }
      if (t.size()>0){
 List currentList= t.get(t.size()-1);
 if (currentList!=null){
   for(String current : currentList){
     buffer.append(current);
     buffer.append("");
   }
 }
      }
      return buffer.toString();
    } catch (Exception e) {
      logger.error("[getSortLetters]: ", e);
      return "";
    }
  }

  
  public static String getSmallSelling(String chs) {
    return translate(chs, true);
  }

  
  public static String getSortLetters(String pingyin) {
    try {
      String sortString = pingyin.substring(0, 1).toUpperCase(Locale.getDefault());
      // 正则表达式，判断首字母是否是英文字母
      if (sortString.matches("[A-Z]")) {
 return sortString.toUpperCase(Locale.getDefault());
      }
    } catch (Exception e) {
      logger.error("[getSortLetters]: ", e);
    }
    return "#";
  }

  public static void main(String [] args) {
    PinyinUtils p = new PinyinUtils();

    System.out.println(p.getSelling("单个"));
    System.out.println(p.getSmallSelling("测试"));
  }
}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持考高分网。