/// <summary>
        /// 页面加载
        /// </summary>
        /// <param name="e"></param>
        protected async override void OnNavigatedTo(NavigationEventArgs e)
        {
            base.OnNavigatedTo(e);

            Object[] parameters = e.Parameter as Object[];
            if (parameters != null && parameters.Length == 1)
            {
                _news = parameters[0] as CnNews;

                BlogTitle.Text   = _news.Title;
                NewsSource.Text  = _news.SourceName;
                PublishTime.Text = _news.PublishTime;
                Diggs.Text       = "[" + _news.Diggs + "]";
                Views.Text       = _news.Views;
                Comments.Text    = _news.Comments;

                string newsContent = await NewsService.GetNewsContentAsync(_news.Id);

                if (newsContent != null)
                {
                    //string pattern = "<img src=\"(.*)\"";
                    //news_content = Regex.Replace(news_content, pattern, m => $"<img src=\"{_image_bridge}{m.Groups[1].Value}\"");
                    HideScrollbar(ref newsContent);
                    NewsContent.NavigateToString(newsContent);
                }

                // 获取评论数据
                _commentsTotalHtml = CommentTool.BaseChatHtml;
                HideScrollbar(ref _commentsTotalHtml);
                NewsComment.NavigateToString(_commentsTotalHtml);

                List <CnNewsComment> refreshComments = await NewsService.GetNewsCommentsAysnc(_news.Id, 1, 200);

                if (refreshComments != null)
                {
                    string comments = "";
                    foreach (CnNewsComment comment in refreshComments)
                    {
                        comments += CommentTool.Receive(comment.AuthorAvatar,
                                                        comment.AuthorName,
                                                        comment.Content, comment.PublishTime, comment.Id);
                    }
                    comments += "<a id='ok'></a>";

                    _commentsTotalHtml = _commentsTotalHtml.Replace("<a id='ok'></a>", "") + comments + "<a id='ok'></a>";

                    HideScrollbar(ref _commentsTotalHtml);
                    NewsComment.NavigateToString(_commentsTotalHtml);

                    Loading.IsActive = false;
                }

                Loading.IsActive = false;
            }
        }
        protected async override void OnNavigatedTo(NavigationEventArgs e)
        {
            base.OnNavigatedTo(e);
            object[] parameters = e.Parameter as object[];
            if (parameters != null)
            {
                if (parameters.Length == 1 && (parameters[0] as CnBlog) != null)
                {
                    _blog = parameters[0] as CnBlog;

                    BlogTitle.Text     = _blog.Title;
                    AuthorName.Content = _blog.AuthorName;
                    PublishTime.Text   = _blog.PublishTime;
                    Views.Text         = _blog.Views;
                    Diggs.Text         = "[" + _blog.Diggs + "]";
                    Comments.Text      = _blog.Comments;
                    BitmapImage bi = new BitmapImage {
                        UriSource = new Uri(_blog.AuthorAvator)
                    };
                    Avatar.Source  = bi;
                    AuthorName.Tag = _blog.BlogApp;
                    string blogBody = await BlogService.GetBlogContentAsync(_blog.Id);

                    if (blogBody != null)
                    {
                        HideScrollbar(ref blogBody);
                        BlogContent.NavigateToString(blogBody);
                    }

                    // 获取评论数据
                    _commentHtml = CommentTool.BaseChatHtml;
                    HideScrollbar(ref _commentHtml);
                    BlogComment.NavigateToString(_commentHtml);
                    List <CnBlogComment> listComments = await BlogService.GetBlogCommentsAsync(_blog.Id, 1, 199);

                    if (listComments != null)
                    {
                        string comments = "";
                        foreach (CnBlogComment comment in listComments)
                        {
                            comments += CommentTool.Receive(comment.AuthorAvatar,
                                                            comment.AuthorName == _blog.AuthorName ? "[博主]" + _blog.AuthorName : comment.AuthorName,
                                                            comment.Content, comment.PublishTime, comment.Id);
                        }

                        _commentHtml = _commentHtml.Replace("<a id='ok'></a>", "") + comments + "<a id='ok'></a>";
                        Debug.Write(_commentHtml);
                        HideScrollbar(ref _commentHtml);
                        BlogComment.NavigateToString(_commentHtml);
                    }

                    Loading.IsActive = false;
                }
            }
        }