判断字符是否属于中文 .txt

java开发中经常用到的代码

 public class IsChineseOrEnglish {
 //  GENERAL_PUNCTUATION 判断中文的“号
 //  CJK_SYMBOLS_AND_PUNCTUATION 判断中文的。号
 //  HALFWIDTH_AND_FULLWIDTH_FORMS 判断中文的，号
   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 void isChinese(String strName) {
      char[] ch = strName.toCharArray();
      for (int i = 0; i < ch.length; i++) {
    char c = ch[i];
    if(isChinese(c)==true){
     System.out.println(isChinese(c));
    return;
   }else{
     System.out.println(isChinese(c));
     return ;
    }
   }
   }
   
   public static void main(String[] args){

    isChinese("zhongguo");
    isChinese("中国");
  }

 }