private ClientContentItem TransCurrentNodeToClientContentItem()
        {
            if (string.IsNullOrEmpty(content) && string.IsNullOrEmpty(link) && this.type == TagType.Default)
            {
                return(null);
            }
            var currentItem = new ClientContentItem();

            if (this.type == TagType.Image)
            {
                currentItem.Text     = src;//TODO:解析onclick和src
                currentItem.TextType = ClientTextType.Photo;
                if (!string.IsNullOrEmpty(link))
                {
                    currentItem.Link = link;
                }
            }
            else if (this.type == TagType.Breaking)
            {
                if (!string.IsNullOrEmpty(content))
                {
                    currentItem.Text = content;
                }
                else
                {
                    currentItem.Text = string.Empty;
                }
                currentItem.Text    += "\r\n";
                currentItem.TextType = ClientTextType.Text;
                if (!string.IsNullOrEmpty(link))
                {
                    currentItem.Link     = link;
                    currentItem.TextType = ClientTextType.Href;
                }
            }
            else if (this.type == TagType.Default && !string.IsNullOrEmpty(link))
            {
                if (!string.IsNullOrEmpty(content))
                {
                    currentItem.Text = content;
                }
                currentItem.Link     = link;
                currentItem.TextType = ClientTextType.Href;
            }
            else
            {
                if (!string.IsNullOrEmpty(content))
                {
                    currentItem.Text = content;
                }
                currentItem.TextType = ClientTextType.Text;
            }
            return(currentItem);
        }
        public bool JoinAbleWith(ClientContentItem curItem)
        {
            if (this.TextType == curItem.TextType)
            {
                switch (this.TextType)
                {
                case ClientTextType.Href:
                {
                    return(this.Link == curItem.Link);
                }

                case ClientTextType.Text:
                {
                    return(true);
                }
                }
            }
            return(false);
        }
        public List <ClientContentItem> BackOrderTravel()
        {
            List <ClientContentItem> reList = new List <ClientContentItem>();

            //后续遍历
            if (ChildTags != null && ChildTags.Count > 0)
            {
                foreach (var r in ChildTags)
                {
                    AddClientContentItems(ref reList, r.BackOrderTravel(), this.link);
                }
            }

            //访问根节点
            ClientContentItem item = TransCurrentNodeToClientContentItem();

            //加入根节点
            if (item != null)
            {
                if (reList.Count > 0)
                {
                    var lastitem = reList.Last();
                    if (lastitem.JoinAbleWith(item))
                    {
                        lastitem.JoinWith(item);
                    }
                    else
                    {
                        reList.Add(item);
                    }
                }
                else
                {
                    reList.Add(item);
                }
            }

            return(reList);
        }
        public void JoinWith(ClientContentItem curItem)
        {
            if (this.TextType == curItem.TextType)
            {
                switch (this.TextType)
                {
                case ClientTextType.Href:
                {
                    if (this.Link == curItem.Link)
                    {
                        this.Text = (this.Text ?? String.Empty) + curItem.Text;
                    }
                    break;
                }

                case ClientTextType.Text:
                {
                    this.Text = (this.Text ?? String.Empty) + curItem.Text;
                    break;
                }
                }
            }
        }