/// <summary>
        /// 解析表结构
        /// </summary>
        protected void ParseStructure()
        {
            if (!EnvManager.Auto)
            {
                return;
            }
            if (table == null)
            {
                table = new DataTable();
            }
            //var cols = SolutionLocator.LocateElements(new List<By> { By.CssSelector("table thead tr th") });
            var cols = SolutionLocator.LocateElements(new List <By> {
                By.CssSelector("table thead tr th")
            });

            foreach (var col in cols)
            {
                string colName = col.Text;
                if (colName.NullOrWhiteSpace())
                {
                    table.Columns.Add(Guid.NewGuid().ToString());                             // 列头名称为空,使用自己字符串占位
                }
                else
                {
                    table.Columns.Add(colName, typeof(string));
                }
            }
        }
        /// <summary>
        /// 获取当前页的数据
        /// </summary>
        /// <returns></returns>
        public virtual DataTable GetPageData()
        {
            if (!EnvManager.Auto)
            {
                return(null);                  // 如果非自动化运行,应该返回null,以防止出现异常
            }
            if (table == null)
            {
                ParseStructure();
            }
            table.Clear();
            var rows = SolutionLocator.LocateElements(new By[] { By.CssSelector("table tbody tr") });

            foreach (var row in rows)
            {
                DataRow       dr        = table.NewRow();
                var           cols      = row.FindElements(By.CssSelector("td"));
                int           i         = 0;
                List <string> colValues = new List <string>();
                foreach (var col in cols)
                {
                    string colValue = col.Text;
                    colValues.Add(colValue);
                    i++;
                }
                dr.ItemArray = colValues.ToArray();
                table.Rows.Add(dr);
            }
            return(table);
        }