import java.util.regex.Pattern;

 public class CharUtil {

     public static void main(String[] args) {

         String[] strArr = new String[] { "www.micmiu.com",

                 "!@#$%^&*()_+{}[]|\"'?/:;<>,.", "！￥……（）——：；“”‘’《》，。？、", "不要啊",

                 "やめて", "韩佳人", "???" };

         for (String str : strArr) {

             System.out.println("===========> 测试字符串：" + str);

             System.out.println("正则判断结果：" + isChineseByREG(str) + " -- "

                     + isChineseByName(str));

             System.out.println("Unicode判断结果 ：" + isChinese(str));

             System.out.println("详细判断列表：");

             char[] ch = str.toCharArray();

             for (int i = 0; i < ch.length; i++) {

                 char c = ch[i];

                 System.out.println(c + " --> " + (isChinese(c) ? "是" : "否"));

             }

         }

     }

     // 根据Unicode编码完美的判断中文汉字和符号

     private 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;

     }

     // 完整的判断中文汉字和符号

     public static boolean isChinese(String strName) {

         char[] ch = strName.toCharArray();

         for (int i = 0; i < ch.length; i++) {

             char c = ch[i];

             if (isChinese(c)) {

                 return true;

             }

         }

         return false;

     }

     // 只能判断部分CJK字符（CJK统一汉字）

     public static boolean isChineseByREG(String str) {

         if (str == null) {

             return false;

         }

         Pattern pattern = Pattern.compile("[\\u4E00-\\u9FBF]+");

         return pattern.matcher(str.trim()).find();

     }

     // 只能判断部分CJK字符（CJK统一汉字）

     public static boolean isChineseByName(String str) {

         if (str == null) {

             return false;

         }

         // 大小写不同：\\p 表示包含，\\P 表示不包含

         // \\p{Cn} 的意思为 Unicode 中未被定义字符的编码，\\P{Cn} 就表示 Unicode中已经被定义字符的编码

         String reg = "\\p{InCJK Unified Ideographs}&&\\P{Cn}";

         Pattern pattern = Pattern.compile(reg);

         return pattern.matcher(str.trim()).find();

     }

 }