/**
     * Uinx 时间戳转 字符日期
     * @param dateLong
     * @return
     */
    public static String longToStr(Long dateLong){
        if(dateLong == null || dateLong == 0L){
            return "";
        }

        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd ");
        String result = simpleDateFormat.format(new Date(dateLong * 1000L));

        return result;
    }