第三方登入时昵称出现emoji表情致mysql插入失败_JAVA_编程开发_程序员俱乐部

class="java">
  static Range<Character> utf84ByteRange = Ranges.closed("\u1F601".charAt(0), "\u1F64F".charAt(0));
    //把utf-8了字节编码的字符去掉
    //参见: http://cenalulu.github.io/linux/character-encoding/
    // 所谓Emoji就是一种在Unicode位于\u1F601-\u1F64F区段的字符
    private static  String replaceUtf84byte(String str) {
        if (StringUtils.isBlank(str)) return StringUtils.EMPTY;

        char[] chars = str.toCharArray();
        for (int i = 0; i < chars.length; i++) {
            if (Character.isSurrogate(chars[i])) { //参见: http://stackoverflow.com/questions/14981109/checking-utf-8-data-type-3-byte-or-4-byte-unicode
                Logger.warn(chars[i] + "字符为 surrogate code unit, utf-8为4字节编码, 替换成空格");
                chars[i] = ' '; //替换成空格
            }else if (utf84ByteRange.contains(chars[i])) {
                Logger.warn(chars[i] + "字符为 在\\u1F601-\\u1F64F, utf-8为4字节编码, 替换成空格");
                chars[i] = ' '; //替换成空格
            }
        }
        return new String(chars);
    }