ASP.NET Core 入门教程 3、ASP.NET Core MVC路由入门

using System;
using Microsoft.AspNetCore.Mvc;

namespace Ken.Tutorial.Web.Controllers
{
    public class TutorialController : Controller
    {

    }
}

public IActionResult Index()
{
    return Content("ASP.NET Core Tutorial by ken from ken.io");
}

public IActionResult Welcome(string name, int age)
{
    return Content($"Welcome {name}(age:{age}) !");
}

routes.MapRoute(
        name: "TutorialPathValueRoute",
        template: "{controller}/{action}/{name}/{age}"
    );

routes.MapRoute(
        name: "TutorialPathValueRoute",
        template: "{controller}/{action}/{name}/{age?}"
    );

routes.MapRoute(
    name: "TutorialPrefixRoute",
    template: "jiaocheng/{action}",
    defaults: new { controller = "Tutorial" }
);

routes.MapRoute(
    name: "TutorialSuffixRoute",
    template: "{controller}/{action}.html"
);

using Microsoft.AspNetCore.Routing;
using Microsoft.AspNetCore.Routing.Constraints;

routes.MapRoute(
    name: "TutorialLengthRoute",
    template: "hello/{name}/{age?}",
    defaults: new { controller = "Tutorial", action = "Welcome", name = "ken" },
    constraints: new { name = new MaxLengthRouteConstraint(5) }
);

routes.MapRoute(
    name: "TutorialLengthRoute2",
    template: "hello2/{name:maxlength(5)}/{age?}",
    defaults: new { controller = "Tutorial", action = "Welcome", name = "ken" }
);

routes.MapRoute(
    name: "TutorialLengthRoute",
    template: "hello/{name}/{age?}",
    defaults: new { controller = "Tutorial", action = "Welcome", name = "ken" },
    constraints: new {  age = new CompositeRouteConstraint(new IRouteConstraint[] { 
                            new IntRouteConstraint(), 
                            new MinRouteConstraint(1), 
                            new MaxRouteConstraint(150) }) }
);

routes.MapRoute(
    name: "TutorialLengthRoute2",
    template: "hello2/{name}/{age:range(1,150)?}",
    defaults: new { controller = "Tutorial", action = "Welcome", name = "ken" }
);

routes.MapRoute(
    name: "TutorialRegexRoute",
    template: "welcome/{name}",
    defaults: new { controller = "Tutorial", Action = "Welcome" },
    constraints: new { name = @"k[a-z]*" }
);

routes.MapRoute(
    name: "TutorialRegexRoute2",
    template: "welcome2/{name:regex(k[a-z]*)}",
    defaults: new { controller = "Tutorial", Action = "Welcome" }
);

using System;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Routing;

namespace Ken.Tutorial.Web.Common
{
    public class NameRouteConstraint : IRouteConstraint
    {
        public bool Match(HttpContext httpContext, IRouter route, string routeKey, RouteValueDictionary values, RouteDirection routeDirection)
        {
            string name = values["name"]?.ToString();
            if (name == null) return true;
            if (name.Length > 5 && name.Contains(",")) return false;
            return true;
        }
    }
}

using Ken.Tutorial.Web.Common;

public void ConfigureServices(IServiceCollection services)
    {
        //引入MVC模块
        services.AddMvc();

        //引入自定义路由约束
        services.Configure<RouteOptions>(options =>
        {
            options.ConstraintMap.Add("name", typeof(NameRouteConstraint));
        });
    }

routes.MapRoute(
    name: "TutorialDiyConstraintRoute",
    template: "diy/{name}",
    defaults: new { controller = "Tutorial", action = "Welcome" },
    constraints: new { name = new NameRouteConstraint() }
);

routes.MapRoute(
    name: "TutorialDiyConstraintRoute2",
    template: "diy2/{name:name}",
    defaults: new { controller = "Tutorial", action = "Welcome" }
);

using System;
using Microsoft.AspNetCore.Mvc;

namespace Ken.Tutorial.Web.Controllers
{
    [Route("/test")]
    public class TestController : Controller
    {
        [Route("")]
        [Route("/test/home")]
        public IActionResult Index()
        {
            return Content("ASP.NET Core RouteAttribute test by ken from ken.io");
        }

        [Route("servertime")]
        [Route("/t/t")]
        public IActionResult Time(){
            return Content($"ServerTime：{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")} - ken.io");
        }
    }
}

routes.MapRoute(
    name: "Default",
    template: "test/home",
    defaults: new { controller = "Test", action = "Index" }
);

[Route("welcome/{name:name}")]
public IActionResult Welcome(string name){
    return Content($"Welcome {name} !");
}