Character.UnicodeBlock中cjk的说明详解

本文为大家分享了Character.UnicodeBlock中cjk的说明，供大家参考，具体内容如下

Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS ： 4E00-9FBF：CJK 统一表意符号
Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS ：F900-FAFF：CJK 兼容象形文字 Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A ：3400-4DBF：CJK 统一表意符号扩展 A
CJK的意思是“Chinese，Japanese，Korea”的简写 ，实际上就是指中日韩三国的象形文字的Unicode编码
Character.UnicodeBlock.GENERAL_PUNCTUATION ：2000-206F：常用标点 Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION ：3000-303F：CJK 符号和标点 Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS ：FF00-FFEF：半角及全角形式

  public static boolean isChineseChar(char c) {
    try {
      return String.valueOf(c).getBytes("UTF-8").length > 1;
    } catch (UnsupportedEncodingException e) {
      e.printStackTrace();
      return false;
    }
  }

  
  public static char validateLegalString(String content) {
    String illegal = "`~!#%^&*=+\|{};:'",<>/?○●★☆☉♀♂※¤╬の〆";
    char isLegalChar = 't';
    L1: for (int i = 0; i < content.length(); i++) {
      for (int j = 0; j < illegal.length(); j++) {
 if (content.charAt(i) == illegal.charAt(j)) {
   isLegalChar = content.charAt(i);
   break L1;
 }
      }
    }
    return isLegalChar;
  }

  
  public static boolean isRightChar(char c) {
    return isChinese(c) || isWord(c);
  }

  
  public static boolean isWord(char c) {
    String regEx = "[\w]";
    Pattern p = Pattern.compile(regEx);
    Matcher m = p.matcher("" + c);
    return m.matches();
  }

  
  public static boolean isChinese(char c) {
    Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);
    if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
 || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS
 || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
 || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION
 || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
 || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {
      return true;
    }
    return false;
  }

  
  public static boolean checkNameChese(String name) {
    boolean res = true;
    char[] cTemp = name.toCharArray();
    for (int i = 0; i < name.length(); i++) {
      if (!isChinese(cTemp[i])) {
 res = false;
 break;
      }
    }
    return res;
  }

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