Link 图文的构造方式

List<WeChatApiMessage.Article> articles=new list<WeChatApiMessage.Article>();

WeChatApiMessage.Article article = new WeChatApiMessage.Article();

article.Title = 'Title';

article.Description = 'Description';

article.PicUrl = PicUrl';

article.Url = 'Url';

articles.add(article);

WeChatApiMessage.New link = new WeChatApiMessage.News();

link.Articles = articles;