com.litongjava.utils.pinyin.PinyinUtil Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of litongjava-utils Show documentation
java开发常用工具类封装
There is a newer version: 1.1.0
package com.litongjava.utils.pinyin;

import java.util.ArrayList;
import java.util.List;

import lombok.extern.slf4j.Slf4j;
import net.sourceforge.pinyin4j.PinyinHelper;

/**
 * @author Administrator
 * @date 2019年1月17日_下午4:31:16 
 * @version 1.0 
 */
@Slf4j
public class PinyinUtil {
  // 汉字正则式
  private String hanyuRegex = "[\\u4E00-\\u9FA5]+";
  // 数字正则式
  private String numRegex = "[0-9]";

  /**
   * char转拼音
   * @param c
   * @return
   */
  public String[] toPinyin(char c) {
    String[] array = PinyinHelper.toHanyuPinyinStringArray(c);
    return array;
  }

  /**
   * String转拼音
   */
  public List toPinin(String input) {
    List list = new ArrayList();
    char[] array = input.toCharArray();
    for (char c : array) {
      String[] pinYinArray = PinyinHelper.toHanyuPinyinStringArray(c);
      list.add(pinYinArray);
    }
    return list;
  }

  /**
   * String转拼音
   */
  public String toPinyinString(String input) {
    StringBuffer stringBuffer = new StringBuffer();
    char[] array = input.toCharArray();
    for (char c : array) {
      String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(c);

      if (pinyinArray.length < 1) { // 返回空
        return null;
      }
      // 判断最后一个元素是否是数字结尾
      String last = pinyinArray[0].substring(pinyinArray[0].length() - 1);

      if (last.matches(hanyuRegex)) { // 数字结尾,取出数字前面的内容
        String pinyin = pinyinArray[0].substring(0, pinyinArray[0].length() - 1);
        stringBuffer.append(pinyin);
      } else { // 末尾没有数字
        stringBuffer.append(pinyinArray[0]);
      }
    }
    return stringBuffer.toString();
  }

  /**
   * 如果是汉字返回true
   */
  public boolean isHanzi(String input) {
    for (int i = 0; i < input.length(); i++) {
      String current = input.substring(i, i + 1);
      if (current.matches(hanyuRegex)) {
        return true;
      }
    }
    return false;
  }

  /**
   * 
   * @param string
   * @return
   */
  public List toListPinyinBean(String string) {

    List pinyinList = new ArrayList<>();
    char[] chars = string.toCharArray();
    for (char c : chars) {
      String[] pinyinArray = PinyinHelper.toHanyuPinyinStringArray(c);
      if (pinyinArray == null) { // 返回空
        log.info("string:" + string);
        log.info("返回null");
        return null;
      }
      // 判断最后一个元素是否是数字结尾
      String last = pinyinArray[0].substring(pinyinArray[0].length() - 1);

      if (last.matches(numRegex)) { // 数字结尾,取出数字前面的内容
        String pinyin = pinyinArray[0].substring(0, pinyinArray[0].length() - 1);
        pinyinList.add(new PinyinBean(c, pinyin));
      } else { // 末尾没有数字
        pinyinList.add(new PinyinBean(c, pinyinArray[0]));
      }
    }
    return pinyinList;
  }
}