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/**
     * 限制中文字符的长度
     */
    public static void lengthChineseFilter(final EditText editText, final int length) {
        InputFilter[] filters = new InputFilter[1];

        filters[0] = new InputFilter.LengthFilter(length) {
            public CharSequence filter(@NonNull CharSequence source, int start, int end, @NonNull Spanned dest, int dstart, int dend) {
                // 可以检查中文字符
                boolean isChinese = CharacterUtil.checkNameChese(source.toString());
                if (!isChinese || dest.toString().length() >= length) {
                    return "";
                }
                return source;
            }
        };
        // Sets the list of input filters that will be used if the buffer is Editable. Has no effect otherwise.
        editText.setFilters(filters);
    }