C# PageReference类代码示例

        public string ConvertUrlToExternal(PageData pageData = null, PageReference p = null)
        {
            if (pageData == null && p == null)
            {
                return string.Empty;
            }
            var page = pageData ?? _repository.Get<PageData>(p);

            var pageUrlBuilder = new UrlBuilder(page.LinkURL);

            Global.UrlRewriteProvider.ConvertToExternal(pageUrlBuilder, page.PageLink, Encoding.UTF8);

            string pageURL = pageUrlBuilder.ToString();

            UriBuilder uriBuilder = new UriBuilder(SiteDefinition.Current.SiteUrl);

            uriBuilder.Path = pageURL;
            var jj = ServiceLocator.Current.GetInstance<UrlResolver>().GetUrl(p);
            if (uriBuilder.Path == "/")
                return uriBuilder.Uri.AbsoluteUri;

            string[] words = uriBuilder.Uri.AbsoluteUri.Split(new char[] {':', '/', '.'},
                        StringSplitOptions.RemoveEmptyEntries);
            bool reoccurs = words.Count(q => q == "http") > 1;

            if (reoccurs)
                return uriBuilder.Uri.LocalPath.StartsWith("/") ? uriBuilder.Uri.LocalPath.Remove(0,1) : uriBuilder.Uri.LocalPath;

            return uriBuilder.Uri.AbsoluteUri;
        }

        private static void CreateNews()
        {
            var dir = new DirectoryInfo(@"c:\temp\news");

            foreach (var fil in dir.GetFiles())
            {
                using (var stream = fil.OpenRead())
                using (var reader = new StreamReader(stream))
                {
                    var title = reader.ReadLine();
                    var ingress = reader.ReadLine();
                    var content = reader.ReadLine();

                    var pagereference = new PageReference(5);

                    var repo = ServiceLocator.Current.GetInstance<IContentRepository>();

                    var newPage = repo.GetDefault<Nyhet>(pagereference);
                    newPage.PageName = title;
                    newPage.MainIntro = ingress;
                    newPage.MainBody = new XhtmlString(content);
                    repo.Save(newPage, SaveAction.Publish);
                }
            }
        }

        protected override void establish_context()
        {
            base.establish_context();

            _repository = new PageDataRepository(new DataFactoryQueryExecutor());

            var pageType = PageType.List().First();

            _root = PageReference.RootPage;
            var start = DataFactory.Instance.GetDefaultPageData(_root, pageType.ID);
            start.PageName = "start";
            start.URLSegment = "start";
            _start = DataFactory.Instance.Save(start, SaveAction.Publish);

            var child = DataFactory.Instance.GetDefaultPageData(start.PageLink, pageType.ID);
            child.PageName = "child";
            child.URLSegment = "child";
            _child = DataFactory.Instance.Save(child, SaveAction.Publish);

            var child2 = DataFactory.Instance.GetDefaultPageData(start.PageLink, pageType.ID);
            child2.PageName = "child";
            child2.URLSegment = "child";
            child2.StopPublish = DateTime.Today;
            _child2 = DataFactory.Instance.Save(child2, SaveAction.Publish);
        }

        private PageReference CreatePageFromJson(PageObject pageObject, PageReference parent, IContentRepository contentRepo)
        {
            BasePage newPage;
            switch (pageObject.Type)
            {
                case 0:
                    ArticlePage aPage = contentRepo.GetDefault<ArticlePage>(parent);
                    aPage.MainBody = pageObject.MainBodyText;
                    newPage = aPage;
                    break;
                case 1:
                    newPage = contentRepo.GetDefault<FolderPage>(parent);
                    break;
                case 2:
                    ListPage lPage = contentRepo.GetDefault<ListPage>(parent);
                    lPage.MainBody = pageObject.MainBodyText;
                    newPage = lPage;
                    break;
                case 3:
                    newPage = contentRepo.GetDefault<PersonPage>(parent);
                    break;
                case 4:
                    newPage = contentRepo.GetDefault<PortalPage>(parent);
                    break;
                default:
                    newPage = contentRepo.GetDefault<ArticlePage>(parent);
                    break;
            }

            newPage.PageName = pageObject.PageName;
            newPage.IntroText = pageObject.IntroText;
            contentRepo.Save(newPage, SaveAction.Publish);
            return newPage.PageLink;
        }

 public static RouteValueDictionary GetPageRoute(this RequestContext requestContext, PageReference pageLink)
 {
     var values = new RouteValueDictionary();
     values[RoutingConstants.NodeKey] = pageLink;
     values[RoutingConstants.LanguageKey] = ContentLanguage.PreferredCulture.Name;
     return values;
 }

        public override void Given()
        {
            base.Given();

            _startPageReference = ContentRepository
                .Publish<StartPage>(ContentReference.RootPage);

            _oldParentReference = ContentRepository
                .GetDefault<StartPage>(_startPageReference)
                .With(p =>
                    {
                        p.PageName = "OldParent";
                        p.LinkURL = "oldparent";
                    })
                .SaveAndPublish(ContentRepository);

            _newParent = ContentRepository.GetDefault<StartPage>(_startPageReference);
            _newParent.PageName = "NewParent";
            _newParent.LinkURL = "newparent";
            ContentRepository.Save(_newParent, SaveAction.Publish, AccessLevel.NoAccess);

            _pageToMove = ContentRepository.GetDefault<StartPage>(_oldParentReference);
            _pageToMove.PageName = "PageToMove";
            ContentRepository.Save(_pageToMove, SaveAction.Publish, AccessLevel.NoAccess);
        }

        public virtual PageDataCollection List(PageReference pageLink)
        {
            // Using functionality from
            // http://world.episerver.com/documentation/Items/Developers-Guide/EPiServer-CMS/9/Search/Searching-for-pages-based-on-page-type/
            string pageTypeId = _pageTypeRepository.Load<StandardPage>()?.ID.ToString();
            if (pageTypeId == null)
            {
                return new PageDataCollection();
            }

            PropertyCriteria productPageTypeCriterion = new PropertyCriteria
            {
                Name = "PageTypeID",
                Type = PropertyDataType.PageType,
                Value = pageTypeId,
                Condition = CompareCondition.Equal,
                Required = true
            };

            var criteria = new PropertyCriteriaCollection
            {
                productPageTypeCriterion
            };

            PageDataCollection pageDataCollection = _searchPages.FindPagesWithCriteria(pageLink, criteria);

            return pageDataCollection;
        }

        public PageDataCollection List(PageReference pageLink)
        {
            // This is to display before and after SessionState
            Thread.Sleep(3000);

            return new PageDataCollection();
        }

        /// <summary>
        /// Returns breadcrumbs specific to the block that should be added to navigation
        /// based on the current page reference.  This function is called during the page's
        /// oninit to load any initial breadcrumbs
        /// </summary>
        /// <param name="pageReference">The page reference.</param>
        /// <returns></returns>
        public override List<BreadCrumb> GetBreadCrumbs( PageReference pageReference )
        {
            var breadCrumbs = new List<BreadCrumb>();

            int controllerId = int.MinValue;
            if ( int.TryParse( PageParameter( "controller" ), out controllerId ) )
            {
                var controller = new RestControllerService( new RockContext() ).Get( controllerId );
                if ( controller != null )
                {
                    string name = controller.Name.SplitCase();
                    var controllerType = Reflection.FindTypes( typeof( Rock.Rest.ApiControllerBase ) )
                        .Where( a => a.Key.Equals( controller.ClassName ) ).Select( a => a.Value ).FirstOrDefault();
                    if ( controllerType != null )
                    {
                        var obsoleteAttribute = controllerType.GetCustomAttribute<System.ObsoleteAttribute>();
                        if (obsoleteAttribute != null)
                        {
                            hlblWarning.Text = string.Format( "Obsolete: {1}", controller.Name.SplitCase(), obsoleteAttribute.Message );
                        }
                    }

                    lControllerName.Text = name + " Controller";
                    breadCrumbs.Add( new BreadCrumb( name, pageReference ) );
                }
            }

            return breadCrumbs;
        }

        private void AddPersonToNews()
        {
            var employees = GetEmployees().Select(e => e.FirstName + " " + e.LastName).ToArray();
            var random = new Random();

            var repo = ServiceLocator.Current.GetInstance<IContentRepository>();
            var pagereference = new PageReference(5);

            var news = repo.GetChildren<Nyhet>(pagereference);

            foreach (var n in news)
            {
                if (!string.IsNullOrEmpty(n.Author))
                {
                    continue;
                }
                var clone = (Nyhet) n.CreateWritableClone();

                var empNo = random.Next(employees.Length);
                var emp = employees[empNo];

                clone.Author = emp;
                clone.MainIntro = n.MainIntro + " Oppdiktet av " + emp + ".";

                repo.Save(clone, SaveAction.Publish);
            }
        }

        public override bool IsInVirtualRole(IPrincipal principal, object context)
        {
            var httpContext = HttpContext.Current;
            if (httpContext == null)
                return false;

            var queryStringToken = httpContext.Request.QueryString["token"];
            if (string.IsNullOrEmpty(queryStringToken))
                return false;

            if (!ParseGuid(queryStringToken))
                return false;

            var pageRef = new PageReference(httpContext.Request.QueryString["id"]);
            var pageLanguage = httpContext.Request.QueryString["epslanguage"];
            
            var tokenGuid = new Guid(queryStringToken);
            if (tokenGuid == Guid.Empty)
                return false;

            Logger.InfoFormat("Token present and has the correct format {0}", tokenGuid);

            var tokenStore = new AccessTokenDataStore();
            return tokenStore.PresentToken(tokenGuid, pageRef.ID, pageRef.WorkID, pageLanguage);
        }

		/// <summary>
		/// Lists the versions.
		/// </summary>
		/// <param name="pageLink">The page link.</param>
		/// <param name="languageBranch">The language branch.</param>
		/// <returns></returns>
		public override PageVersionCollection ListVersions(PageReference pageLink, string languageBranch)
		{
			var versions = new PageVersionCollection();
			versions.AddRange(PageVersion.List(pageLink).Where(version =>
				version.LanguageBranch.Equals(languageBranch, StringComparison.OrdinalIgnoreCase)));
			return versions;
		}

        /// <summary>
        /// Returns breadcrumbs specific to the block that should be added to navigation
        /// based on the current page reference.  This function is called during the page's
        /// oninit to load any initial breadcrumbs
        /// </summary>
        /// <param name="pageReference">The page reference.</param>
        /// <returns></returns>
        public override List<BreadCrumb> GetBreadCrumbs( PageReference pageReference )
        {
            var rockContext = new RockContext();
            var breadCrumbs = new List<BreadCrumb>();

            ConnectionRequest connectionRequest = null;

            int? requestId = PageParameter( "ConnectionRequestId" ).AsIntegerOrNull();
            if ( requestId.HasValue && requestId.Value > 0 )
            {
                connectionRequest = new ConnectionRequestService( rockContext ).Get( requestId.Value );
            }

            if ( connectionRequest != null )
            {
                breadCrumbs.Add( new BreadCrumb( connectionRequest.PersonAlias.Person.FullName, pageReference ) );
            }
            else
            {
                var connectionOpportunity = new ConnectionOpportunityService( rockContext ).Get( PageParameter( "ConnectionOpportunityId" ).AsInteger() );
                if ( connectionOpportunity != null )
                {
                    breadCrumbs.Add( new BreadCrumb( String.Format( "New {0} Connection Request", connectionOpportunity.Name ), pageReference ) );
                }
                else
                {
                    breadCrumbs.Add( new BreadCrumb( "New Connection Request", pageReference ) );
                }
            }

            return breadCrumbs;
        }

        public string GetNewUrl(string oldUrl)
        {
            if(!oldUrl.EndsWith("/"))
            {
                oldUrl += "/";
            }

            // lookup Url in DDS
            var store = typeof(UrlRemapEntity).GetStore();
            var foundItem = store.Items<UrlRemapEntity>().FirstOrDefault(i => i.OldUrl.Equals(oldUrl));

            if(foundItem != null)
            {
                var reference = new PageReference(foundItem.PageId);
                var pageData = DataFactory.Instance.GetPage(reference);
                pageData = pageData.GetPageLanguage(foundItem.LanguageBranch);
                var builder = new UrlBuilder(UriSupport.AddLanguageSelection(pageData.LinkURL, pageData.LanguageBranch));

                if(Global.UrlRewriteProvider.ConvertToExternal(builder, pageData.PageLink, Encoding.UTF8))
                {
                    return builder.Uri.ToString();
                }
            }

            return null;
        }

        protected internal ContentReference(PageReference pageReference)
        {
            if(pageReference == null)
                throw new ArgumentNullException("pageReference");

            this._pageReference = pageReference;
        }