public static void RegisterRoutes(RouteCollection routes){routes.IgnoreRoute("{resource}.axd/{*pathInfo}");  //可有可无，默认存在的// 《一》----------------------------------------------  -----------------------  -----------------------  -----------------------// routes.MapRoute(//    name: "Default",//    url: "{controller}/{action}/{id}",//    defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional },//    constraints: new//    {//        id = @"^\d*$",  //使用正则使参数具体化//        httpMethod = new HttpMethodConstraint("get")//    },// 限制访问方法//    namespaces: new[] { "MVC.Controllers" }  //防止有重复 Home  与 Index 出现//);//<二>----------------------------------------------  -----------------------  -----------------------  -----------------------//   routes.MapRoute("", "XM{controller}/{action}", new { controller = "Home", action = "Index" }, namespaces: new[] { "MVC.Controllers" }); //访问路径前加上  静态字段//《三》----------------------------------------------  -----------------------  -----------------------  -----------------------//  routes.MapRoute("", "Home/{action}", new { controller = "Admin" }, namespaces: new[] { "MVC.Controllers" });  //更改文件不更改 访问名称//<四>----------------------------------------------  -----------------------  -----------------------  -----------------------//  routes.MapRoute("", "Home/{action}", new { controller = "Admin", action = "Index" }, namespaces: new[] { "MVC.Controllers" });//<五>----------------------------------------------  -----------------------  -----------------------  -----------------------//routes.MapRoute("MyRoute", "{controller}/{action}/{id}",//MyRoute 以自己命名为准，// new// {//     controller = "Home",//     action = "Index",//     id = "DefaultId"  //也可以赋值为默认值  UrlParameter.Optional// });//给路径定义参数默认值  //取参数在该方法下面使用  Route.data["id"]   来取值  ,同样也可以参数取值  （string id）//<六>----------------------------------------------  -----------------------  -----------------------  -----------------------// routes.MapRoute("MyRoute", "{controller}/{action}/{id}/{*catchall}", new { controller = "Home", action = "Index", id = UrlParameter.Optional });   //*catchall  可以·获取·参数id  后面的所有“参数”/或“路径”//《七》----------------------------------------------  -----------------------  -----------------------  -----------------------//routes.MapRoute("MyRoute", "{controller}/{action}/{id}", //    new { controller = "Home", action = "Index", id = UrlParameter.Optional },//    new { controller = "^H.*", action = "^Index$|^About$" } );//使用正则 配置路由    { controller = "^H.*", action = "^Index$|^About$" } //controller 以H打头，action 只能是 Index);//<八>----------------------------------------------  -----------------------  -----------------------  -----------------------// routes.MapRoute("", "Home/{action}", //new { controller = "Admin", action = "Index", httpMethod = new HttpMethodConstraint("get") },//限制访问方法  httpMethod = new HttpMethodConstraint("get")  //namespaces: new[] { "MVC.Controllers" }); //《九》自定义路由限制--------------------------  -----------------------  -----------------------  -----------------------////1.第一种  直接在文件中配置完成，参数添加Chrome//routes.MapRoute("", "{controller}/{action}",//                new { controller = "Home", action = "Index" },//                new { customConstraint = new MyRouteConstraint() }, namespaces: new[] { "MVC.Controllers" }  //引入命名空间限制只有谷歌允许访问  添加配置文件 Filters /MyRouteConstraint  继承IRouteConstraint  必须实现方法 Match//            );////2.第二种动态配置 在RouteConfig中//routes.MapRoute("", "{controller}/{action}",//              new { controller = "Home", action = "Index1" },//              new { customConstraint = new mySzlConstraint("Firefox") }, namespaces: new[] { "MVC.Controllers" }  //引入命名空间限制只有火狐允许访问  添加配置文件 Filters/mySzlConstraint  继承IRouteConstraint  必须实现方法 Match//          );//routes.MapRoute("", "{controller}/{action}",//        new { controller = "Admin", action = "Index" },//       namespaces: new[] { "MVC.Controllers" }  //引入命名空间限制只有谷歌允许访问//    );//《第十种》添加静态页面掩饰掉 真正的路由访问路径------------添加文件Commom/myPage--------------  -----------------------  -----------------------  -----------------------//一.////1.设置 routes.RouteExistingFiles = true;//routes.RouteExistingFiles = true;////2.删除 IIS  配置文件，Control+F找到UrlRoutingModule-4.0，将这个节点的preCondition属性改为空//routes.MapRoute("myPage", "Commom/myPage.html",//        new { controller = "Home", action = "Index", }, namespaces: new[] { "MVC.Controllers" });//二//1.添加配置  routes.RouteExistingFiles = true;//2.设置 routes.IgnoreRouteroutes.IgnoreRoute("Commom/{file}.html");routes.MapRoute("", "Commom/myPage.html",new { controller = "Home", action = "Index5", });}

外部添加的文件《1》     public class MyRouteConstraint : IRouteConstraint    {

        public bool Match(HttpContextBase httpContext, Route route, string parameterName, RouteValueDictionary values, RouteDirection routeDirection)        {            return httpContext.Request.UserAgent.Contains("Chrome");        }    }《2》 public class mySzlConstraint : IRouteConstraint    {        private string myParam;//定义自己的参数 自己可访问

        public mySzlConstraint(string agentParam)        {            myParam = agentParam;  //构造函数        }

       /// <summary>       /// 实现 方法Match       /// </summary>       /// <param name="httpContext"> 一个数据上下文</param>        /// <param name="route">定义路由</param>       /// <param name="parameterName"> </param>       /// <param name="values"></param>       /// <param name="routeDirection"></param>       /// <returns></returns>        public bool Match(HttpContextBase httpContext, Route route, string parameterName,            RouteValueDictionary values, RouteDirection routeDirection)        {

            return httpContext.Request.UserAgent != null                && httpContext.Request.UserAgent.Contains(myParam);        }