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  • mysql无法压缩存储表情

    原文链接:https://www.cnblogs.com/SimonHu1993/p/7573868.html

    mysql无法压缩存储表情compress(str),就选择过滤把emoji表情符号替换成□。查了unicode码表,做了一个过滤的工具类,使用正则表达式过滤表情字符,有更好解决方案欢迎留言

    import java.util.regex.Matcher;
    import java.util.regex.Pattern;
     
    import org.apache.commons.lang.StringUtils;
    /**
     *
     * @ClassName: EmojiUtils
     * @Description:过滤emoji表情
     * @author: Simon
     * @date: 2017年9月22日 上午11:11:00
     */
    public class EmojiUtils {
        public final static String unicodeReg = "[" + "u4E00-u9FBF" + // :CJK
                                                                        // 统一表意符号
                                                                        // (CJK
                                                                        // Unified
                                                                        // Ideographs)
                "u4DC0-u4DFF" + // :易经六十四卦符号 (Yijing Hexagrams Symbols)
                "u0000-u007F" + // :C0控制符及基本拉丁文 (C0 Control and Basic Latin)
                "u0080-u00FF" + // :C1控制符及拉丁:补充-1 (C1 Control and Latin 1
                                    // Supplement)
                "u0100-u017F" + // :拉丁文扩展-A (Latin Extended-A)
                "u0180-u024F" + // :拉丁文扩展-B (Latin Extended-B)
                "u0250-u02AF" + // :国际音标扩展 (IPA Extensions)
                "u02B0-u02FF" + // :空白修饰字母 (Spacing Modifiers)
                "u0300-u036F" + // :结合用读音符号 (Combining Diacritics Marks)
                "u0370-u03FF" + // :希腊文及科普特文 (Greek and Coptic)
                "u0400-u04FF" + // :西里尔字母 (Cyrillic)
                "u0500-u052F" + // :西里尔字母补充 (Cyrillic Supplement)
                "u0530-u058F" + // :亚美尼亚语 (Armenian)
                "u0590-u05FF" + // :希伯来文 (Hebrew)
                "u0600-u06FF" + // :阿拉伯文 (Arabic)
                "u0700-u074F" + // :叙利亚文 (Syriac)
                "u0750-u077F" + // :阿拉伯文补充 (Arabic Supplement)
                "u0780-u07BF" + // :马尔代夫语 (Thaana)
                // "u07C0-u077F"+//:西非书面语言 (N'Ko)
                "u0800-u085F" + // :阿维斯塔语及巴列维语 (Avestan and Pahlavi)
                "u0860-u087F" + // :Mandaic
                "u0880-u08AF" + // :撒马利亚语 (Samaritan)
                "u0900-u097F" + // :天城文书 (Devanagari)
                "u0980-u09FF" + // :孟加拉语 (Bengali)
                "u0A00-u0A7F" + // :锡克教文 (Gurmukhi)
                "u0A80-u0AFF" + // :古吉拉特文 (Gujarati)
                "u0B00-u0B7F" + // :奥里亚文 (Oriya)
                "u0B80-u0BFF" + // :泰米尔文 (Tamil)
                "u0C00-u0C7F" + // :泰卢固文 (Telugu)
                "u0C80-u0CFF" + // :卡纳达文 (Kannada)
                "u0D00-u0D7F" + // :德拉维族语 (Malayalam)
                "u0D80-u0DFF" + // :僧伽罗语 (Sinhala)
                "u0E00-u0E7F" + // :泰文 (Thai)
                "u0E80-u0EFF" + // :老挝文 (Lao)
                "u0F00-u0FFF" + // :藏文 (Tibetan)
                "u1000-u109F" + // :缅甸语 (Myanmar)
                "u10A0-u10FF" + // :格鲁吉亚语 (Georgian)
                "u1100-u11FF" + // :朝鲜文 (Hangul Jamo)
                "u1200-u137F" + // :埃塞俄比亚语 (Ethiopic)
                "u1380-u139F" + // :埃塞俄比亚语补充 (Ethiopic Supplement)
                "u13A0-u13FF" + // :切罗基语 (Cherokee)
                "u1400-u167F" + // :统一加拿大土著语音节 (Unified Canadian Aboriginal
                                    // Syllabics)
                "u1680-u169F" + // :欧甘字母 (Ogham)
                "u16A0-u16FF" + // :如尼文 (Runic)
                "u1700-u171F" + // :塔加拉语 (Tagalog)
                "u1720-u173F" + // :Hanunóo
                "u1740-u175F" + // :Buhid
                "u1760-u177F" + // :Tagbanwa
                "u1780-u17FF" + // :高棉语 (Khmer)
                "u1800-u18AF" + // :蒙古文 (Mongolian)
                "u18B0-u18FF" + // :Cham
                "u1900-u194F" + // :Limbu
                "u1950-u197F" + // :德宏泰语 (Tai Le)
                "u1980-u19DF" + // :新傣仂语 (New Tai Lue)
                "u19E0-u19FF" + // :高棉语记号 (Kmer Symbols)
                "u1A00-u1A1F" + // :Buginese
                "u1A20-u1A5F" + // :Batak
                "u1A80-u1AEF" + // :Lanna
                "u1B00-u1B7F" + // :巴厘语 (Balinese)
                "u1B80-u1BB0" + // :巽他语 (Sundanese)
                "u1BC0-u1BFF" + // :Pahawh Hmong
                "u1C00-u1C4F" + // :雷布查语(Lepcha)
                "u1C50-u1C7F" + // :Ol Chiki
                "u1C80-u1CDF" + // :曼尼普尔语 (Meithei/Manipuri)
                "u1D00-u1D7F" + // :语音学扩展 (Phone tic Extensions)
                "u1D80-u1DBF" + // :语音学扩展补充 (Phonetic Extensions Supplement)
                "u1DC0-u1DFF" + // 结合用读音符号补充 (Combining Diacritics Marks
                                    // Supplement)
                "u1E00-u1EFF" + // :拉丁文扩充附加 (Latin Extended Additional)
                "u1F00-u1FFF" + // :希腊语扩充 (Greek Extended)
                "u2000-u206F" + // :常用标点 (General Punctuation)
                "u2070-u209F" + // :上标及下标 (Superscripts and Subscripts)
                "u20A0-u20CF" + // :货币符号 (Currency Symbols)
                "u20D0-u20FF" + // :组合用记号 (Combining Diacritics Marks for Symbols)
                "u2100-u214F" + // :字母式符号 (Letterlike Symbols)
                "u2150-u218F" + // :数字形式 (Number Form)
                "u2190-u21FF" + // :箭头 (Arrows)
                "u2200-u22FF" + // :数学运算符 (Mathematical Operator)
                "u2300-u23FF" + // :杂项工业符号 (Miscellaneous Technical)
                "u2400-u243F" + // :控制图片 (Control Pictures)
                "u2440-u245F" + // :光学识别符 (Optical Character Recognition)
                "u2460-u24FF" + // :封闭式字母数字 (Enclosed Alphanumerics)
                "u2500-u257F" + // :制表符 (Box Drawing)
                "u2580-u259F" + // :方块元素 (Block Element)
                "u25A0-u25FF" + // :几何图形 (Geometric Shapes)
                "u2600-u26FF" + // :杂项符号 (Miscellaneous Symbols)
                "u2700-u27BF" + // :印刷符号 (Dingbats)
                "u27C0-u27EF" + // :杂项数学符号-A (Miscellaneous Mathematical
                                    // Symbols-A)
                "u27F0-u27FF" + // :追加箭头-A (Supplemental Arrows-A)
                "u2800-u28FF" + // :盲文点字模型 (Braille Patterns)
                "u2900-u297F" + // :追加箭头-B (Supplemental Arrows-B)
                "u2980-u29FF" + // :杂项数学符号-B (Miscellaneous Mathematical
                                    // Symbols-B)
                "u2A00-u2AFF" + // :追加数学运算符 (Supplemental Mathematical Operator)
                "u2B00-u2BFF" + // :杂项符号和箭头 (Miscellaneous Symbols and Arrows)
                "u2C00-u2C5F" + // :格拉哥里字母 (Glagolitic)
                "u2C60-u2C7F" + // :拉丁文扩展-C (Latin Extended-C)
                "u2C80-u2CFF" + // :古埃及语 (Coptic)
                "u2D00-u2D2F" + // :格鲁吉亚语补充 (Georgian Supplement)
                "u2D30-u2D7F" + // :提非纳文 (Tifinagh)
                "u2D80-u2DDF" + // :埃塞俄比亚语扩展 (Ethiopic Extended)
                "u2E00-u2E7F" + // :追加标点 (Supplemental Punctuation)
                "u2E80-u2EFF" + // :CJK 部首补充 (CJK Radicals Supplement)
                "u2F00-u2FDF" + // :康熙字典部首 (Kangxi Radicals)
                "u2FF0-u2FFF" + // :表意文字描述符 (Ideographic Description Characters)
                "u3000-u303F" + // :CJK 符号和标点 (CJK Symbols and Punctuation)
                "u3040-u309F" + // :日文平假名 (Hiragana)
                "u30A0-u30FF" + // :日文片假名 (Katakana)
                "u3100-u312F" + // :注音字母 (Bopomofo)
                "u3130-u318F" + // :朝鲜文兼容字母 (Hangul Compatibility Jamo)
                "u3190-u319F" + // :象形字注释标志 (Kanbun)
                "u31A0-u31BF" + // :注音字母扩展 (Bopomofo Extended)
                "u31C0-u31EF" + // :CJK 笔画 (CJK Strokes)
                "u31F0-u31FF" + // :日文片假名语音扩展 (Katakana Phonetic Extensions)
                "u3200-u32FF" + // :封闭式 CJK 文字和月份 (Enclosed CJK Letters and
                                    // Months)
                "u3300-u33FF" + // :CJK 兼容 (CJK Compatibility)
                "u3400-u4DBF" + // :CJK 统一表意符号扩展 A (CJK Unified Ideographs
                                    // Extension A)
                "u4DC0-u4DFF" + // :易经六十四卦符号 (Yijing Hexagrams Symbols)
                "u4E00-u9FBF" + // :CJK 统一表意符号 (CJK Unified Ideographs)
                "uA000-uA48F" + // :彝文音节 (Yi Syllables)
                "uA490-uA4CF" + // :彝文字根 (Yi Radicals)
                "uA500-uA61F" + // :Vai
                "uA660-uA6FF" + // :统一加拿大土著语音节补充 (Unified Canadian Aboriginal
                                    // Syllabics Supplement)
                "uA700-uA71F" + // :声调修饰字母 (Modifier Tone Letters)
                "uA720-uA7FF" + // :拉丁文扩展-D (Latin Extended-D)
                "uA800-uA82F" + // :Syloti Nagri
                "uA840-uA87F" + // :八思巴字 (Phags-pa)
                "uA880-uA8DF" + // :Saurashtra
                "uA900-uA97F" + // :爪哇语 (Javanese)
                "uA980-uA9DF" + // :Chakma
                "uAA00-uAA3F" + // :Varang Kshiti
                "uAA40-uAA6F" + // :Sorang Sompeng
                "uAA80-uAADF" + // :Newari
                "uAB00-uAB5F" + // :越南傣语 (Vi?t Thái)
                "uAB80-uABA0" + // :Kayah Li
                "uAC00-uD7AF" + // :朝鲜文音节 (Hangul Syllables)
                // "uD800-uDBFF"+//:High-half zone of UTF-16
                // "uDC00-uDFFF"+//:Low-half zone of UTF-16
                "uE000-uF8FF" + // :自行使用区域 (Private Use Zone)
                "uF900-uFAFF" + // :CJK 兼容象形文字 (CJK Compatibility Ideographs)
                "uFB00-uFB4F" + // :字母表达形式 (Alphabetic Presentation Form)
                "uFB50-uFDFF" + // :阿拉伯表达形式A (Arabic Presentation Form-A)
                "uFE00-uFE0F" + // :变量选择符 (Variation Selector)
                "uFE10-uFE1F" + // :竖排形式 (Vertical Forms)
                "uFE20-uFE2F" + // :组合用半符号 (Combining Half Marks)
                "uFE30-uFE4F" + // :CJK 兼容形式 (CJK Compatibility Forms)
                "uFE50-uFE6F" + // :小型变体形式 (Small Form Variants)
                "uFE70-uFEFF" + // :阿拉伯表达形式B (Arabic Presentation Form-B)
                "uFF00-uFFEF" + // :半型及全型形式 (Halfwidth and Fullwidth Form)
                "uFFF0-uFFFF]";// :特殊 (Specials);
     
        /**
         * 将字符串转成unicode
         *
         * @param str
         *            待转字符串
         * @return unicode字符串
         */
        public static String convert(String str) {
            str = (str == null ? "" : str);
            String tmp;
            StringBuffer sb = new StringBuffer(1000);
            char c;
            int i, j;
            sb.setLength(0);
            for (i = 0; i < str.length(); i++) {
                c = str.charAt(i);
                sb.append("\u");
                j = (c >>> 8); // 取出高8位
                tmp = Integer.toHexString(j);
                if (tmp.length() == 1) {
                    sb.append("0");
                }
                sb.append(tmp);
                j = (c & 0xFF); // 取出低8位
                tmp = Integer.toHexString(j);
                if (tmp.length() == 1) {
                    sb.append("0");
                }
                sb.append(tmp);
     
            }
            return (new String(sb).toUpperCase());
        }
     
        /**
         * 2)unicode转成字符串,与上述过程反向操作即可 将unicode 字符串
         *
         * @param str
         *            待转字符串
         * @return 普通字符串
         */
        public static String revert(String str) {
            str = (str == null ? "" : str);
            if (str.indexOf("\u") == -1)// 如果不是unicode码则原样返回
                return str;
     
            StringBuffer sb = new StringBuffer(1000);
     
            for (int i = 0; i < str.length() - 6;) {
                String strTemp = str.substring(i, i + 6);
                String value = strTemp.substring(2);
                int c = 0;
                for (int j = 0; j < value.length(); j++) {
                    char tempChar = value.charAt(j);
                    int t = 0;
                    switch (tempChar) {
                    case 'a':
                        t = 10;
                        break;
                    case 'b':
                        t = 11;
                        break;
                    case 'c':
                        t = 12;
                        break;
                    case 'd':
                        t = 13;
                        break;
                    case 'e':
                        t = 14;
                        break;
                    case 'f':
                        t = 15;
                        break;
                    default:
                        t = tempChar - 48;
                        break;
                    }
     
                    c += t * ((int) Math.pow(16, (value.length() - j - 1)));
                }
                sb.append((char) c);
                i = i + 6;
            }
            return sb.toString();
        }
        /**
         *
         * @author: Simon
         * @Description:传入需要过滤的字符
         * @date: 2017年9月22日 上午11:11:33
         * @param string
         * @return
         */
        public static String emojiChange(String string) {
            // System.out.println("__________________________________");
            try {
                // System.out.println("all-string:"+string);
                // System.out.println("all-unicode:"+convert(string));
                Pattern pattern = Pattern.compile(unicodeReg);
                StringBuffer sbBuffer = new StringBuffer();
                for (int i = 0; i < string.length(); i++) {
                    char c = string.charAt(i);
                    String temp = String.valueOf(c);
                    Matcher matcher = pattern.matcher(temp);
                    if (matcher.find()) {
                        sbBuffer.append(temp);
                    } else {
                        sbBuffer.append("□");
                    }
                    // System.out.println("temp:"+temp+";unicode:"+convert(temp));
                }
                // System.out.println("sb:"+sbBuffer.toString());
                // System.out.println("--------------------------------------");
                return sbBuffer.toString();
            } catch (Exception e) {
                e.printStackTrace();
            }
            return "";
        }
    }
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  • 原文地址:https://www.cnblogs.com/fswhq/p/11019229.html
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