如何使用 mvcsitemapprovider 添加自定义 xml 标签到 sitemap.xml？

Question

根据 Google 在 Video sitemaps 中定义的内容，有一些 xml 标签应该添加到视频的站点地图中，并且应该是这样的：

<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
    xmlns:video="http://www.google.com/schemas/sitemap-video/1.1">
<url>
 <loc>http://www.example.com/videos/some_video_landing_page.html</loc>
 <video:video>
   <video:thumbnail_loc>http://www.example.com/thumbs/123.jpg</video:thumbnail_loc>
   <video:title>Grilling steaks for summer</video:title>
   <video:description>Alkis shows you how to get perfectly done steaks every
     time</video:description>
   <video:content_loc>http://www.example.com/video123.mp4</video:content_loc>
   <video:player_loc autoplay="ap=1">
     http://www.example.com/videoplayer.mp4?video=123</video:player_loc>
   <video:duration>600</video:duration>
   <video:expiration_date>2009-11-05T19:20:30+08:00</video:expiration_date>
   <video:rating>4.2</video:rating>
   <video:view_count>12345</video:view_count>
   <video:publication_date>2007-11-05T19:20:30+08:00</video:publication_date>
   <video:family_friendly>yes</video:family_friendly>
   <video:restriction relationship="allow">IE GB US CA</video:restriction>
   <video:gallery_loc title="Cooking Videos">http://cooking.example.com</video:gallery_loc>
   <video:price currency="EUR">1.99</video:price>
   <video:requires_subscription>yes</video:requires_subscription>
   <video:uploader info="http://www.example.com/users/grillymcgrillerson">GrillyMcGrillerson
     </video:uploader>
   <video:live>no</video:live>
 </video:video>

我想知道如何将这些自定义标签动态添加到我的 sitemap.xml？我正在使用 mvcsitemapprovider

Answer 1

由于 XML 站点地图功能不是 MvcSiteMapProvider 的主要目的，而是一个 "extra" 功能，因此它不是很灵活。

我开始致力于创建一种通用的方式来构建（和页面）XML 站点地图并支持 Google 的完整规范（包括视频）。但意识到这应该是一个完全独立于 MvcSiteMapProvider 的组件，并且从未发布过它。欢迎您从here.

中获取您需要的东西

Answer 2

好吧，我还不能使用 mvcsitemapprovider 来实现我的目标，但我做了这个临时解决方案，我正在尝试从中制作 nuget 包或将其作为功能添加到 mvcsitemapprovider 包中，这是代码我添加到控制器中的 ContentResult 并更改了 routeConfig 以在 url 看起来像这样时调用此方法 "/videoSiteMap.xml" :

public ContentResult VideoSiteMap()
    {
        XmlDocument xmlDoc = new XmlDocument();
        using (XmlWriter writer = xmlDoc.CreateNavigator().AppendChild())
        {
            //writer.Formatting = Formatting.Indented;
            writer.WriteStartDocument();
            writer.WriteStartElement("urlset", "http://www.sitemaps.org/schemas/sitemap/0.9");

            // add namespaces
            writer.WriteAttributeString("xmlns", "video", null, "http://www.google.com/schemas/sitemap-video/1.1");
            List<VideoSiteMap> siteMapp = null;
            siteMapp = ServiceHelper.GetGoogleSiteMap();//I invoked a service
            //you can use a fake loop instead: for (int i = 0; i < 10; i++)
            foreach( var content in siteMapp)
            {
                writer.WriteStartElement("url");

                // required
                writer.WriteElementString("loc", "http://example.com/myplayer.aspx");
                writer.WriteStartElement("video", "video", null);

                // start:optional
                writer.WriteElementString("video", "thumbnail_loc", null, "http://www.example.com/thumbs/123.jpg");
                writer.WriteElementString("video", "title", null, "");
                writer.WriteElementString("video", "description", null, "Alkis shows you how to get perfectly done steaks every time");
                writer.WriteElementString("video", "content_loc", null, "http://www.example.com/video123.mp4");

                writer.WriteStartElement("video", "player_loc", null);
                writer.WriteAttributeString("autoplay", "ap=1");
                writer.WriteString("http://www.example.com/videoplayer.mp4?video=123");
                writer.WriteEndElement(); // video:player_loc
                                          // end:optional

                writer.WriteElementString("video", "duration", null, "100");
                writer.WriteElementString("video", "expiration_date", null, "2009-11-05T19:20:30+08:00");
                writer.WriteElementString("video", "rating", null, "4.2");
                writer.WriteElementString("video", "view_count", null, "12345");
                writer.WriteElementString("video", "publication_date", null, "2007-11-05T19:20:30+08:00");
                writer.WriteElementString("video", "family_friendly", null, "yes");
                writer.WriteElementString("video", "category", null, "Cooking");

                writer.WriteStartElement("video", "restriction", null);
                writer.WriteAttributeString("relationship", "allow");
                writer.WriteString("IE GB US CA");
                writer.WriteEndElement();

                writer.WriteStartElement("video", "gallery_loc", null);
                writer.WriteAttributeString("title", "Cooking Videos");
                writer.WriteString("http://cooking.example.com");
                writer.WriteEndElement();

                writer.WriteStartElement("video", "price", null);
                writer.WriteAttributeString("currency", "EUR");
                writer.WriteString("1.99");
                writer.WriteEndElement();

                writer.WriteElementString("video", "requires_subscription", null, "yes");

                writer.WriteStartElement("video", "uploader", null);
                writer.WriteAttributeString("info", "http://www.example.com/users/grillymcgrillerson");
                writer.WriteString("GrillyMcGrillerson");
                writer.WriteEndElement();

                writer.WriteElementString("video", "live", null, "No");

                writer.WriteEndElement(); // video:video
                writer.WriteEndElement(); //url
            }

            writer.WriteEndElement(); //urlset 
            writer.WriteEndDocument();
            writer.Close();
        }

        var stringWriter = new StringWriter();
        var xmlTextWriter = XmlWriter.Create(stringWriter);
        xmlDoc.WriteTo(xmlTextWriter);
        xmlTextWriter.Flush();
        return Content(stringWriter.GetStringBuilder().ToString().replace("utf-16","utf-8"), "text/xml", Encoding.UTF8);

    }

我在返回 xml 数据时用 utf-8 替换了 utf-16，因为我找不到更简单的方法来更改 XmlWriter 的结果（默认情况下它总是 returns utf-16 格式)

我希望它能帮助其他人，如果有人帮我把它做成一个 nuget 包之类的，我会很高兴:D

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