ASP.NET Core 2.2 网站显示来自 Kentico Cloud CMS 的数据。有些项目包含富文本字段。这些字段可能包含指向其他内容项的链接。这些链接应由网站解析为 URL。
这个docs建议通过实现 IContentLinkUrlResolver 接口(interface)来完成此操作。然而,该示例对于我们网站的目的来说太虚拟了。我们的解析器需要了解请求的上下文(如当前的 UI 文化,因为该站点是多语言环境)和路由定义,因为这是定义 url 外观的唯一位置。
事实上,解析器需要能够调用 Url.Action,因为它能够在 View 内部进行调用。
url 解析器应该尊重路由和当前的 ui 区域性。其逻辑预计如下:
if (the linked content item type is Page)
{
Url.Action("Page", "Home", new [] { codename = content item’s codename });
}
else if (the linked content item type is PageFont)
{
Url.Action("Font", "Home", new [] { codename = content item’s codename });
}
else
{
throw an error about an unsupported content type.
}
规则定义为:
var localizationOptions = app.ApplicationServices.GetService<IOptions<RequestLocalizationOptions>>();
app.UseRouter(routes =>
{
routes.MapMiddlewareRoute("{culture=en-US}/{*mvcRoute}", subApp =>
{
subApp.UseRequestLocalization(localizationOptions.Value);
subApp.UseMvc(mvcRoutes =>
{
mvcRoutes.MapRoute(
name: "areas",
template: "{culture=en-US}/{area:exists}/{controller=Home}/{action=Index}/{id?}");
mvcRoutes.MapRoute(
name: "sitemap",
defaults: new { controller = "Sitemap", action = "Index" },
template: "sitemap.xml");
mvcRoutes.MapRoute(
name: "font",
defaults: new { controller = "Home", action = "Font" },
template: "{culture=en-US}/font/{codename}");
mvcRoutes.MapRoute(
name: "page",
defaults: new { controller = "Home", action = "Page" },
template: "{culture=en-US}/{codename}");
mvcRoutes.MapRoute(
name: "default",
template: "{culture=en-US}/{controller=Home}/{action=Index}/{id?}");
});
});
});
如何解析尊重站点配置中的路由的链接?
最佳答案
这应该能够解析 View 中类似于 Url.Action
的 URL:
在Startup.cs
中:
services
.TryAddSingleton<IActionContextAccessor, ActionContextAccessor>();
services
.AddSingleton<IContentLinkUrlResolver, RoutesContentLinkUrlResolver>()
.AddDeliveryClient( ... )
;
在RoutesContentLinkUrlResolver.cs
中:
private readonly IUrlHelperFactory urlHelperFactory;
private readonly IActionContextAccessor actionContextAccessor;
public RoutesContentLinkUrlResolver(IUrlHelperFactory urlHelperFactory, IActionContextAccessor actionContextAccessor)
{
this.urlHelperFactory = urlHelperFactory;
this.actionContextAccessor = actionContextAccessor;
}
public string ResolveLinkUrl(ContentLink link)
{
IUrlHelper Url = urlHelperFactory.GetUrlHelper(actionContextAccessor.ActionContext);
switch (link.ContentTypeCodename)
{
case "Page":
return Url.Action("Page", "Home", new { codename = link.Codename });
}
}
尽可能晚地检索 IUrlHelper
实例,以确保它具有最新的运行时值。 IUrlHelperFactory
的默认实现使用缓存来提高性能:UrlHelperFactory line 44 .
关于c# - 如何在尊重路由配置的同时解析 Kentico Cloud 中的内容项链接?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55480990/