java 判断是否为中文字符，部分，。中文符号不能识别

     public static void main(String[] args) {
         int i = 0;
         for (char c : "，。判断一个字符串是否有中文一般情况是利用Unicode编码".toCharArray()) {
             i++;
             System.out.println(i + ":" + isChinese(c));

         }
     }

     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.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B
                 || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
                 || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS
                 || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION) {
             return true;
         }
         return false;
     }