Asp.net core Can';t通过IRouter更改目标控制器/操作
我有一个简单的MyRouter:Asp.net core Can';t通过IRouter更改目标控制器/操作,asp.net-core,routing,routes,asp.net-core-mvc,asp.net-core-2.1,Asp.net Core,Routing,Routes,Asp.net Core Mvc,Asp.net Core 2.1,我有一个简单的MyRouter: public class MyRouter : IRouter { private readonly IRouteBuilder _routeBuilder; public MyRouter(IRouteBuilder routeBuilder) { _routeBuilder = routeBuilder; } public async Task RouteAsync(RouteContext con
public class MyRouter : IRouter
{
private readonly IRouteBuilder _routeBuilder;
public MyRouter(IRouteBuilder routeBuilder)
{
_routeBuilder = routeBuilder;
}
public async Task RouteAsync(RouteContext context)
{
if (ShouldReroute(...))
{
SetNeededPath(context, reroute);
}
await GetDefaultRouter().RouteAsync(context);
}
private bool ShouldReroute(...)
{
return true;
}
public VirtualPathData GetVirtualPath(VirtualPathContext context)
{
return GetDefaultRouter().GetVirtualPath(context);
}
private IRouter GetDefaultRouter()
{
return _routeBuilder.DefaultHandler;
}
private void SetNeededPath(RouteContext context, Reroute reroute)
{
context.RouteData.Values.Clear();
context.RouteData.Values["action"] = "StoreContacts";
context.RouteData.Values["controller"] = "Information";
}
}
如您所见,它应该将请求的目标更改为:
[Route("")]
public class InformationController : Controller
{
[Route("StoreContacts")]
public IActionResult StoreContacts()
{
return View();
}
}
Startup.cs中的路由器描述为:
app.UseMvc(routes =>
{
routes.MapRoute(
name: "areas",
template: "{area:exists}/{controller=Home}/{action=Index}");
routes.MapRoute(
name: "default",
template: "{controller=Home}/{action=Index}/{id?}");
routes.Routes.Add(new MyRouter(routes));
});
因此,在我的大脑中,它应该重定向所有未映射的请求,比如mysite.com/unexistingRoute应该转到InformationController.StoreContacts
,但我只得到404
此外,mysite.com/StoreContacts也可以通过直接URL访问。属性路由将取代传统路由,因此您可以删除属性路由:
public class InformationController : Controller
{
public IActionResult StoreContacts()
{
return View();
}
}
并通过IRouter将您的逻辑移动到自定义路由中mysite.com/unexistingRoute
不会映射到Startup.cs中的现有路由模板配置。所以删除属性应该在您的场景中起作用。要映射其他url,如mysite.com/OtherAction
,您可以编写如下自定义逻辑:
if (context.HttpContext.Request.Path.Value.StartsWith("/StoreContacts"))
{
context.RouteData.Values["controller"] = "Information";
context.RouteData.Values["action"] = "StoreContacts";
}