使用 SyndicationFeed 输出 Rss

 1         #region 输出指定分类编号的消息源内容...
 2 
 3         /// <summary>
 4         /// 输出指定分类编号的消息源内容。
 5         /// </summary>
 6         public void OutputFeed()
 7         {
 8             //int categoryId, string customUrl
 9             int categoryId = 0;
10             string customUrl = string.Empty;
11             if (!string.IsNullOrEmpty(RequestUtility.GetQueryString("CategoryId")))
12             {
13                 categoryId = Convert.ToInt32(RequestUtility.GetQueryString("CategoryId"));
14             }
15             if (!string.IsNullOrEmpty(RequestUtility.GetQueryString("Custom")))
16             {
17                 customUrl = RequestUtility.GetQueryString("Custom");
18             }
19             StringBuilder xml = new StringBuilder();
20             xml.Append("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
21             xml.Append("<rss version=\"2.0\">\n");
22             xml.Append("<channel>\n");
23             CategoryInfo category = new CategoryInfo();
24             if (categoryId == 0 && string.IsNullOrEmpty(customUrl))
25             {
26                 xml.AppendFormat("<title>{0}</title>\n", string.Format(MemoryCacheProvider.GetLanguage("WebRssTitle", WeilogContext.Current.Application.Prefix), SettingInfo.Name));
27             }
28             else if (categoryId == 0 && !string.IsNullOrEmpty(customUrl))
29             {
30                 category = CategoryService.GetCategory(Provider, customUrl);
31                 xml.AppendFormat("<title>{0}</title>\n", string.Format(MemoryCacheProvider.GetLanguage("WebCategoryRssTitle", WeilogContext.Current.Application.Prefix), category.Name, SettingInfo.Name));
32             }
33             else
34             {
35                 category = CategoryService.GetCategory(Provider, categoryId);
36                 xml.AppendFormat("<title>{0}</title>\n", string.Format(MemoryCacheProvider.GetLanguage("WebCategoryRssTitle", WeilogContext.Current.Application.Prefix), category.Name, SettingInfo.Name));
37             }
38             xml.AppendFormat("<link>{0}</link>\n", SettingInfo.Url);
39             xml.AppendFormat("<description>{0}</description>\n", SettingInfo.Description);
40             xml.AppendFormat("<language>{0}</language>\n", SettingInfo.Language);//    <language>zh-cn</language>
41             xml.AppendFormat("<copyright>{0}</copyright>\n", "Copyright " + SettingInfo.Name);
42             xml.AppendFormat("<webMaster>{0}</webMaster>\n", SettingInfo.SmtpMail);
43             xml.AppendFormat("<generator>{0}</generator>\n", WeilogContext.Current.Application.FullVersion);
44             xml.Append("<image>\n");
45             xml.AppendFormat("\t<title>{0}</title>\n", SettingInfo.Name);
46             xml.AppendFormat("\t<url>{0}</url>\n", "/Common/Images/Logo.jpg");
47             xml.AppendFormat("\t<link>{0}</link>\n", SettingInfo.Url);
48             xml.AppendFormat("\t<description>{0}</description>\n", SettingInfo.Description);
49             xml.Append("</image>\n");
50             int totalRecords = 0;
51             List<PostInfo> articleList = new List<PostInfo>();
52             articleList = PostService.GetPostList(base.Provider, categoryId, null, null, PostType.Post, null, null, null, OrderField.ByPublishTime, OrderType.Desc, 1, 20, out totalRecords);
53             foreach (PostInfo item in articleList)
54             {
55                 xml.Append("<item>\n");
56                 xml.AppendFormat("\t<link>{0}</link>\n", string.Format(SitePath.PostLinkFormat, SettingInfo.Url, item.Locator));
57                 xml.AppendFormat("\t<title>{0}</title>\n", item.Title);
58                 xml.AppendFormat("\t<author>{0}</author>\n", item.AuthorName);
59                 xml.AppendFormat("\t<category>{0}</category>\n", CategoryService.GetCategory(Provider, item.CategoryId).Name);
60                 xml.AppendFormat("\t<pubDate>{0}</pubDate>\n", item.PublishTime);
61                 //xml.AppendFormat("\t<guid>{0}</guid>\n", string.Format(WebPath.PostLinkFormat, SettingInfo.Url, item.CustomUrl));
62                 xml.AppendFormat("\t<description>{0}</description>\n", StringUtil.CDATA(string.IsNullOrEmpty(item.Password) ? (SettingInfo.RssType == 0 ? item.Excerpt : item.Content) : MemoryCacheProvider.GetLanguage("MsgEncContent", WeilogContext.Current.Application.Prefix)));
63                 xml.Append("</item>\n");
64             }
65             xml.Append("</channel>\n");
66             xml.Append("</rss>");
67             HttpContext.Current.Response.ContentType = "text/xml";
68             HttpContext.Current.Response.Write(xml);
69         }
70 
71         #endregion

 1         /// <summary>
 2         /// 文章订阅。
 3         /// </summary>
 4         /// <returns>视图的执行结果。</returns>
 5         public ActionResult PostFeed()
 6         {
 7             var feed = new SyndicationFeed(
 8                                     base.Settings["Name"].ToString(),
 9                                     base.Settings["Description"].ToString(),
10                                     new Uri(Settings["Url"].ToString()),
11                                     "BlogRSS",
12                                     DateTime.UtcNow);
13 
14             if (!(bool)Settings["Status"])
15                 return new FeedActionResult() { Feed = feed };
16 
17             var items = new List<SyndicationItem>();
18             var posts = PostService.GetPostList(Provider, Data.Common.OrderField.ByPublishTime, Data.Common.OrderType.Desc, 20);
19             foreach (var post in posts)
20             {
21                 string blogPostUrl = Url.RouteUrl("Post", new { Id = post.Id }, "http");
22                 items.Add(new SyndicationItem(post.Title, post.Content, new Uri(blogPostUrl), String.Format("Blog:{0}", post.Id), post.PublishTime));
23             }
24             feed.Items = items;
25             return new FeedActionResult() { Feed = feed };
26         }