Пример #1
0
        /// <summary>
        /// 获取下级元素
        /// </summary>
        /// <param name="elementName"></param>
        /// <returns></returns>
        public static List <HtmlInfo> ChildDescendants(this  IEnumerable <HtmlInfo> htmlInfoList, string elementName = null)
        {
            var          html = htmlInfoList.First().InnerHtml;
            XHtmlElement xhe  = new XHtmlElement(html);

            return(xhe.RootDescendants(html).Where(c => elementName == null || c.TagName == elementName).ToList());
        }
Пример #2
0
        /// <summary>
        /// 获取最近的相同层级的HTML元素
        /// </summary>
        /// <param name="elementName">等于null为所有元素</param>
        /// <returns></returns>
        public static List <HtmlInfo> Descendants(this  IEnumerable <HtmlInfo> htmlInfoList, string elementName = null)
        {
            var          html = htmlInfoList.First().InnerHtml;
            XHtmlElement xhe  = new XHtmlElement(html);

            return(xhe.Descendants(elementName));
        }
Пример #3
0
        /// <summary>
        /// 获取父级
        /// </summary>
        /// <param name="htmlInfoList"></param>
        /// <returns></returns>
        public static List <HtmlInfo> ParentDescendant(this  IEnumerable <HtmlInfo> htmlInfoList, string fullHtml)
        {
            var    saveLeveHtml = htmlInfoList.First().SameLeveHtml;
            string replaceGuid  = Guid.NewGuid().ToString();

            fullHtml = fullHtml.Replace(saveLeveHtml, replaceGuid);
            var parentHtml = Regex.Match(fullHtml, @"<[^<]+?>[^<]*?" + replaceGuid + @".*?<\/.+?>").Value;

            parentHtml = parentHtml.Replace(replaceGuid, saveLeveHtml);
            XHtmlElement xhe = new XHtmlElement(parentHtml);

            return(xhe.RootDescendants());
        }