4字节符号过滤

字节符号过滤"/>

4字节符号过滤

/**** 过滤特俗字符(特俗符号，16进制数据)**  比如 ♠♦♦♦✔☒▂▁▁☹♀♀●▼?ㄩí  \uD835\uDC73\uD835\uDC6D** @author xiongWei* * @date  2022/3/29* * @param * * @return **/
public static String filterEmojiStr(String source){if(containsEmoji(source)){return filterEmoji(source);}return source;
}/*** 判断字符串中是否含有表情* @param source* @return*/
public static boolean containsEmoji(String source) {int len = source.length();boolean isEmoji = false;for (int i = 0; i < len; i++) {char hs = source.charAt(i);if (0xd800 <= hs && hs <= 0xdbff) {if (source.length() > 1) {char ls = source.charAt(i + 1);int uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000;if (0x1d000 <= uc && uc <= 0x1f77f) {return true;}}} else {// non surrogateif (0x2100 <= hs && hs <= 0x27ff && hs != 0x263b) {return true;} else if (0x2B05 <= hs && hs <= 0x2b07) {return true;} else if (0x2934 <= hs && hs <= 0x2935) {return true;} else if (0x3297 <= hs && hs <= 0x3299) {return true;} else if (hs == 0xa9 || hs == 0xae || hs == 0x303d|| hs == 0x3030 || hs == 0x2b55 || hs == 0x2b1c|| hs == 0x2b1b || hs == 0x2b50 || hs == 0x231a) {return true;}if (!isEmoji && source.length() > 1 && i < source.length() - 1) {char ls = source.charAt(i + 1);if (ls == 0x20e3) {return true;}}}}return isEmoji;
}/*** 过滤掉字符串中的表情* @param source* @return*/
public static String filterEmoji(String source) {if (StringUtils.isBlank(source)) {return source;}StringBuilder buf = null;int len = source.length();for (int i = 0; i < len; i++) {char codePoint = source.charAt(i);if (isEmojiCharacter(codePoint)) {if (buf == null) {buf = new StringBuilder(source.length());}buf.append(codePoint);}}if (buf == null) {return source;} else {if (buf.length() == len) {buf = null;return source;} else {return buf.toString();}}
}/*** 判断某个字符是不是表情* @param codePoint* @return*/
private static boolean isEmojiCharacter(char codePoint) {return (codePoint == 0x0) || (codePoint == 0x9) || (codePoint == 0xA)|| (codePoint == 0xD)|| ((codePoint >= 0x20) && (codePoint <= 0xD7FF))|| ((codePoint >= 0xE000) && (codePoint <= 0xFFFD))|| ((codePoint >= 0x10000) && (codePoint <= 0x10FFFF));
}

public static void main(String[] args) {
System.out.println(“1111:”+filterEmoji(“简奢60\uD835\uDC73\uDC6D天丝凉感大豆夏被/ 夏被四件套COOL”));
System.out.println(“4444:”+filterEmoji(“简奢天丝凉感大豆夏被/ 夏被四件套COOL”));
System.out.println(“555:”+filterEmoji(“简奢天丝凉感大豆夏被&夏被四件套COOL”));
System.out.println(“66:”+filterEmoji(“简奢天丝凉感大豆夏被夏被四件套！@#￥%……&（）|、\?//qwertyuiopasdfghjklzxcvbnm`~1234567890-=——+||{}【】|、：：；“‘？、》《。，.”));
System.out.println(“7777:”+filterEmoji("[微笑]简奢天♠♦♦♦✔☒▂▁▁☹♀♀●▼?ㄩí天丝凉感大豆夏被/ 夏被四件套COOL"));

     System.out.println("1:"+filterEmoji1111("简奢60\uD835\uDC73\uDC6D天丝凉感大豆夏被/ 夏被四件套COOL"));System.out.println("2:"+filterEmoji1111("简奢天丝凉感大豆夏被/ 夏被四件套COOL"));System.out.println("3:"+filterEmoji1111("简奢天丝凉感大豆夏被&夏被四件套COOL"));System.out.println("4:"+filterEmoji1111("简奢天丝凉感大豆夏被夏被四件套！@#￥%……&*（）|、\\?//qwertyuiopasdfghjklzxcvbnm`~1234567890-=——+||{}【】|、：：；“‘？、》《。，*."));System.out.println("5:"+filterEmoji1111("[微笑]简奢天♠♦♦♦✔☒▂▁▁☹♀♀●▼?ㄩí天丝凉感大豆夏被/ 夏被四件套COOL"));}