【转】Asp.Net MVC4 之Url路由

//直接方法重载+匿名对象
            routes.MapRoute(
                name: "Default",
                url: "{controller}/{action}/{id}",
                defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
            );

            //构造路由然后添加
            Route myroute = new Route("{controller}/{action}", new MvcRouteHandler());
            routes.Add("MyRoute0", myroute);

            //跨命名空间路由
            routes.MapRoute(
                "AddContollerRoute",
                "Home/{action}/{id}/{*catchall}",
                new { controller = "Home", action = "Index", id = UrlParameter.Optional },
                new[] { "URLsAndRoutes.AdditionalControllers" }
            );
            routes.MapRoute(
                "MyRoute1",
                "{controller}/{action}/{id}/{*catchall}",
                new { controller = "Home", action = "Index", id = UrlParameter.Optional },
                new[] { "URLsAndRoutes.Controllers" }
            );
            
            //可变长度路由 + 正则表达式匹配路由
            routes.MapRoute(
                "MyRoute2",
                "{controller}/{action}/{id}/{*catchall}",
                new { controller = "Home", action = "Index", id = UrlParameter.Optional },
                new { controller = "^H.*", action = "^Index$|^About$" },
                new[] { "URLsAndRoutes.Controllers" }
            );

            //指定请求方法
            routes.MapRoute("MyRoute3", "{controller}/{action}/{id}/{*catchall}",
                new { controller = "Home", action = "Index", id = UrlParameter.Optional },
                new { controller = "^H.*", action = "Index|About", httpMethod = new HttpMethodConstraint("GET") },
                new[] { "URLsAndRoutes.Controllers" }
            );

public static Route MapRoute(this RouteCollection routes, string name, string url, object defaults, object constraints, string[] namespaces);

routes.MapRoute(
　　name: "Default",
　　url: "{controller}/{action}/{id}",
　　defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
);

routes.MapRoute(
　　name: "Default",
   url: "{controller}/{action}/{id}/{*catchall}",
   defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
);

public ActionResult Index(string id,string catchall)
{
　　ViewBag.Message = "修改此模板以快速启动你的 ASP.NET MVC 应用程序。";

　　return View();
}

namespace MvcDebug.Controllers
{
    public class HomeController : Controller
    {
        public ActionResult Index(string id,string catchall)
        {
            ViewBag.Message = "修改此模板以快速启动你的 ASP.NET MVC 应用程序。";

            return View();
        }
    }
}

namespace MvcDebug.Controllers.Tauruswu
{
    public class HomeController : Controller
    {
        public ActionResult Index(string id, string catchall)
        {
            ViewBag.Message = "修改此模板以快速启动你的 ASP.NET MVC 应用程序。";

            return View();
        }
    }
}

private Type GetControllerTypeWithinNamespaces(RouteBase route, string controllerName, HashSet<string> namespaces)
{
　　// Once the master list of controllers has been created we can quickly index into it
　　ControllerTypeCache.EnsureInitialized(BuildManager);

　　ICollection<Type> matchingTypes = ControllerTypeCache.GetControllerTypes(controllerName, namespaces);
　　switch (matchingTypes.Count)
　　{
　　　　case 0:
    　　// no matching types
    　　return null;

    　　 case 1:
    　　// single matching type
    　　return matchingTypes.First();

     　　default:
     　　// multiple matching types
     　　throw CreateAmbiguousControllerException(route, controllerName, matchingTypes);
　　}
}

routes.MapRoute(
　　name: "Default",
　　url: "{controller}/{action}/{id}/{*catchall}",
　　defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional },
　　namespaces: new[] { "MvcDebug.Controllers.Tauruswu" }
);

routes.MapRoute(
　　name: "Default",
　　url: "{controller}/{action}/{id}/{*catchall}",
　　defaults: new { controller = "Demo", action = "Index", id = UrlParameter.Optional },
　　constraints: new { controller = "^H.*" },
　　namespaces: new[] { "MvcDebug.Controllers.Tauruswu" }
);

routes.MapRoute(
　　name: "Default",
　　url: "{controller}/{action}/{id}/{*catchall}",
　　defaults: new { controller = "Demo", action = "Index", id = UrlParameter.Optional },
　　constraints: new { httpMethod = new HttpMethodConstraint("POST"), },
　　namespaces: new[] { "MvcDebug.Controllers.Tauruswu" }
);

[HttpGet]
public ActionResult Index()
{
　　ViewBag.Message = "修改此模板以快速启动你的 ASP.NET MVC 应用程序。";

　　return View();
}

public interface IRouteConstraint
{
　　bool Match(HttpContextBase httpContext, Route route, string parameterName, RouteValueDictionary values, RouteDirection routeDirection);
}

public class CustomConstraint : IRouteConstraint
{
　　private string requiredAgent;

　　public CustomConstraint(string agentArgs)
　　{
　　　　this.requiredAgent = agentArgs;
　　}

　　public bool Match(HttpContextBase httpContext, Route route, string parameterName, RouteValueDictionary values, RouteDirection routeDirection)
　　{
　　　　return httpContext.Request.UserAgent != null && httpContext.Request.UserAgent.Contains(requiredAgent);
　　}

}

routes.MapRoute(
　　name: "Default",
　　url: "{controller}/{action}/{id}/{*catchall}",
　　defaults: new { controller = "Demo", action = "Index", id = UrlParameter.Optional },
　　constraints: new { customConstraint = new CustomConstraint("IE"), },
　　namespaces: new[] { "MvcDebug.Controllers.Tauruswu" }
);

Route route = new Route(url, new MvcRouteHandler())
{
　　Defaults = CreateRouteValueDictionary(defaults),
　　Constraints = CreateRouteValueDictionary(constraints),
　　DataTokens = new RouteValueDictionary()
};

.....

routes.Add(name, route);

routes.Add(new Route("DemoUrl",new DemoRouteHandler());