C# MVC重定向到默认路由
以下是我的默认路线:C# MVC重定向到默认路由,c#,asp.net-mvc-3,asp.net-mvc-routing,C#,Asp.net Mvc 3,Asp.net Mvc Routing,以下是我的默认路线: routes.MapRouteLowercase( "Default", "{country}/{controller}/{action}/{id}", new { country = "uk", controller = "Home", action = "I
routes.MapRouteLowercase(
"Default",
"{country}/{controller}/{action}/{id}",
new {
country = "uk",
controller = "Home",
action = "Index",
id = UrlParameter.Optional
},
new[] { "Presentation.Controllers" }
);
我们知道,当有人访问www.domain.com/MVC时,其路由将根据上述路由确定要执行的默认控制器和操作,但URL将保持不变。对于每个使用默认值的路由,是否有一种内置的或优雅的方式来执行从www.domain.com/到www.domain.com/uk/{controller}/{action}/的301重定向?在我的项目中,我的路由中通常有“IndexRedirect”作为默认操作(其URL永远不可见),它除了重定向到“真正的”索引页外,什么也不做(其URL将始终可见)
您可以在所有控制器类的基类中创建此操作。我已经创建了一个自定义路由处理程序,在路由级别执行重定向。多亏了 这是完整的工作 重定向路由处理程序
public class RedirectRouteHandler : IRouteHandler
{
private string _redirectUrl;
public RedirectRouteHandler(string redirectUrl)
{
_redirectUrl = redirectUrl;
}
public IHttpHandler GetHttpHandler(RequestContext requestContext)
{
if (_redirectUrl.StartsWith("~/"))
{
string virtualPath = _redirectUrl.Substring(2);
Route route = new Route(virtualPath, null);
var vpd = route.GetVirtualPath(requestContext,
requestContext.RouteData.Values);
if (vpd != null)
{
_redirectUrl = "~/" + vpd.VirtualPath;
}
}
return new RedirectHandler(_redirectUrl, false);
}
}
public class RedirectHandler : IHttpHandler
{
private readonly string _redirectUrl;
public RedirectHandler(string redirectUrl, bool isReusable)
{
_redirectUrl = redirectUrl;
IsReusable = isReusable;
}
public bool IsReusable { get; private set; }
public void ProcessRequest(HttpContext context)
{
context.Response.Status = "301 Moved Permanently";
context.Response.StatusCode = 301;
context.Response.AddHeader("Location", _redirectUrl);
}
}
重定向http处理程序
public class RedirectRouteHandler : IRouteHandler
{
private string _redirectUrl;
public RedirectRouteHandler(string redirectUrl)
{
_redirectUrl = redirectUrl;
}
public IHttpHandler GetHttpHandler(RequestContext requestContext)
{
if (_redirectUrl.StartsWith("~/"))
{
string virtualPath = _redirectUrl.Substring(2);
Route route = new Route(virtualPath, null);
var vpd = route.GetVirtualPath(requestContext,
requestContext.RouteData.Values);
if (vpd != null)
{
_redirectUrl = "~/" + vpd.VirtualPath;
}
}
return new RedirectHandler(_redirectUrl, false);
}
}
public class RedirectHandler : IHttpHandler
{
private readonly string _redirectUrl;
public RedirectHandler(string redirectUrl, bool isReusable)
{
_redirectUrl = redirectUrl;
IsReusable = isReusable;
}
public bool IsReusable { get; private set; }
public void ProcessRequest(HttpContext context)
{
context.Response.Status = "301 Moved Permanently";
context.Response.StatusCode = 301;
context.Response.AddHeader("Location", _redirectUrl);
}
}
路线延伸
public static class RouteExtensions
{
public static void Redirect(this RouteCollection routes, string url, string redirectUrl)
{
routes.Add(new Route(url, new RedirectRouteHandler(redirectUrl)));
}
}
有了这些,我可以在Global.asax.cs中映射路由时执行类似的操作
routes.Redirect("", "/uk/Home/Index");
routes.Redirect("uk", "/uk/Home/Index");
routes.Redirect("uk/Home", "/uk/Home/Index");
.. other routes
您可以从默认控制器执行重定向,例如,索引操作路由是否应该。重定向优先于所有其他路由(ex MapRoute)?这对旧的.aspx页面路由有效吗?foo.aspx->/fooThis是最好的解决方案!一个新颖的想法,但愿我自己也想到过!