我需要提供一个路由机制,其中路由是在运行时从用户帐户创建生成的.比如http:// mysite / username / home.
我认为这可以通过路由完成,但我不知道从哪里开始使用ASP.Net Core.我在网上看到了一些MVC 5的例子,但ASP.Net Core似乎处理的路由有点不同.如何确保网站不会混淆http:// mysite / username / news是用户自定义登录页面和http:// mysite / news是网站新闻页面?
解决方法
我不确定以下方式是否正确.它适用于我,但你应该为你的场景测试它.
public interface IUserService { bool IsExists(string value); } public class UserService : IUserService { public bool IsExists(string value) { // your implementation } } // register it services.AddScoped<IUserService,UserService>();
然后为用户名创建路由约束:
public class UserNameRouteConstraint : IRouteConstraint { public bool Match(HttpContext httpContext,IRouter route,string routeKey,RouteValueDictionary values,RouteDirection routeDirection) { // check nulls object value; if (values.TryGetValue(routeKey,out value) && value != null) { var userService = httpContext.RequestServices.GetService<IUserService>(); return userService.IsExists(Convert.ToString(value)); } return false; } } // service configuration services.Configure<RouteOptions>(options => options.ConstraintMap.Add("username",typeof(UserNameRouteConstraint)));
最后写路由和控制器:
app.UseMvc(routes => { routes.MapRoute("default","{controller}/{action}/{id?}",new { controller = "Home",action = "Index" },new { controller = @"^(?!User).*$" }// exclude user controller ); routes.MapRoute("user","{username:username}/{action=Index}",new { controller = "User" },new { controller = @"User" }// only work user controller ); }); public class UserController : Controller { public IActionResult Index() { // } public IActionResult News() { // } } public class NewsController : Controller { public IActionResult Index() { // } }