/// <summary>
        /// 抓取页面
        /// </summary>
        /// <param name="obj"></param>
        /// <param name="url"></param>
        /// <returns></returns>
        public static HttpHelpers SetUrl(this HttpHelpers obj, string url, CookieContainer cc = null)
        {
            cc = cc ?? new CookieContainer();
            HttpItems item = new HttpItems();

            item.Url       = url;
            item.Container = cc;
            return(obj.AddHttpItem(item));
        }
 public static HttpResults GetHttpResult(this HttpHelpers obj)
 {
     return(obj.GetHtml());
 }
 /// <summary>
 /// 拓展参数
 /// </summary>
 /// <param name="obj"></param>
 /// <param name="item"></param>
 /// <returns></returns>
 public static HttpHelpers AddHttpItem(this HttpHelpers obj, HttpItems item)
 {
     obj.SetHttpItems(item);
     return(obj);
 }