//中心动态，搜的都是要有图片的新闻
public string LoadToutiaoNews()
{
List <T_Article> list = bll.GetListByContent(5, 2);
StringBuilder sb = new StringBuilder();
int i = 0;
foreach (var model in list)
{
//获得文章内容的简介
T_Article first = new T_Article();
first = bll.GetArticleById(model.ArticleId);
string ab = Regex.Replace(first.ArticleContent, @"<.*?>", "");
//如果文字没有超过100个字
if (ab.Length > 70)
{
ab = ab.Substring(0, 70);
}
ab = ab + "...";
if (i == 0)
{
//第一张提取图片
//精简文章主题内容
string imgurl = ImgHelper.getImgUrl(first.ArticleContent, @"<img[^>]+src=\s*(?:'(?<src>[^']+)'|""(?<src>[^""]+)""|(?<src>[^>\s]+))\s*[^>]*>", "src")[0].ToString();
sb.AppendFormat("<a href='articleDetail.aspx?articleId={0}'><img src='{1}'/></a><h3>{2}</h3><p>{3}</p>", model.ArticleId, imgurl, model.ArticleTitle, ab);
sb.AppendFormat("</div><div class='newsright'>");
}
else
{
sb.AppendFormat("<a href='articleDetail.aspx?articleId={0}'> <p class='nrtitle'>{1}</p></a><p class='nrtxt' style='font-size:0.84vw;'>{2}</p>", model.ArticleId, model.ArticleTitle, ab);
}
i++;
}
return(sb.ToString());
}