package com.cmc.util;

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

        return patter.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();

    }

}