ps如何做网站导航图,宁德市人口,百度工具网站改版,大众点评seo关键词优化/*** Description 将字符串中的emoji表情转换成可以在utf-8字符集数据库中保存的格式(表情占4个字节#xff0c;需要utf8mb4字符集)* param str* 待转换字符串* return 转换后字符串* throws UnsupportedEncodingException* exception*/public static String emojiConvert1(St…/*** Description 将字符串中的emoji表情转换成可以在utf-8字符集数据库中保存的格式(表情占4个字节需要utf8mb4字符集)* param str* 待转换字符串* return 转换后字符串* throws UnsupportedEncodingException* exception*/public static String emojiConvert1(String str)throws UnsupportedEncodingException {String patternString ([\\x{10000}-\\x{10ffff}\ud800-\udfff]);Pattern pattern Pattern.compile(patternString);Matcher matcher pattern.matcher(str);StringBuffer sb new StringBuffer();while(matcher.find()) {try {matcher.appendReplacement(sb,[[ URLEncoder.encode(matcher.group(1),UTF-8) ]]);} catch(UnsupportedEncodingException e) {LOG.error(emojiConvert error, e);throw e;}}matcher.appendTail(sb);LOG.debug(emojiConvert str to sb.toString() , len sb.length());return sb.toString();}/*** Description 还原utf8数据库中保存的含转换后emoji表情的字符串* param str* 转换后的字符串* return 转换前的字符串* throws UnsupportedEncodingException* exception*/public static String emojiRecovery2(String str)throws UnsupportedEncodingException {String patternString \\[\\[(.*?)\\]\\];Pattern pattern Pattern.compile(patternString);Matcher matcher pattern.matcher(str);StringBuffer sb new StringBuffer();while(matcher.find()) {try {matcher.appendReplacement(sb,URLDecoder.decode(matcher.group(1), UTF-8));} catch(UnsupportedEncodingException e) {LOG.error(emojiRecovery error, e);throw e;}}matcher.appendTail(sb);LOG.debug(emojiRecovery str to sb.toString());return sb.toString();}来源https://www.cnblogs.com/shihaiming/p/5833244.html
