默认情况下，ASP.NET Core使用如http://localhost:5000/HomeIndex类的大驼峰路由。但是如果想使用小写的路由，并且这些路由用破折号分隔：http://localhost:5000/home-index它们比较常见且一致。

举例.NET常见路由http://localhost:5000/User/ListPages想要的效果http://localhost:5000/user/list-pages

1、如何生成小写的路由可以这样设置

services.ConfigureRouting(setupAction => { setupAction.LowercaseUrls = true;});

2、生成带破折号并且小写的路由可以这样设置

[Route("dashboard-settings")]class DashboardSettings:Controller { public IActionResult Index() { // ... }}

似乎上面使用特性路由可以解决这个问题。但是我不想使用，因为每个action都要手动去设置，太繁琐也很容易出错。

我想要的效果是在程序中写个扩展类做到可配置处理。

3、解决方案

以下支持Asp.Net Core Version>=2.2

要做到这一点，首先创建SlugifyParameterTransformer类应该如下所示

public class SlugifyParameterTransformer : IOutboundParameterTransformer{ public string TransformOutbound(object value) { // Slugify value return value == null ? null : Regex.Replace(value.ToString(), "([a-z])([A-Z])", "$1-$2").ToLower(); }}

3.1 对于Asp.Net Core2.2 MVC:

在StartUp中ConfiregeServices这样配置

services.AddRouting(option =>{ option.ConstraintMap["slugify"] = typeof(SlugifyParameterTransformer);});

路由如下配置：

app.UseMvc(routes =>{ routes.MapRoute( name: "default", template: "{controller:slugify}/{action:slugify}/{id?}", defaults: new { controller = "Home", action = "Index" }); });

3.2对于Asp.Net Core2.2 Web API:

在StartUp中ConfiregeServices这样配置

public void ConfigureServices(IServiceCollection services){ services.AddMvc(options => { options.Conventions.Add(new RouteTokenTransformerConvention(new SlugifyParameterTransformer())); }).SetCompatibilityVersion(CompatibilityVersion.Version_2_2);}

3.3对于Asp.Net Core>=3.0 MVC:

在StartUp中ConfiregeServices这样配置

services.AddRouting(option =>{ option.ConstraintMap["slugify"] = typeof(SlugifyParameterTransformer);});

路由如下配置：

app.UseEndpoints(endpoints =>{ endpoints.MapAreaControllerRoute( name: "AdminAreaRoute", areaName: "Admin", pattern: "admin/{controller:slugify=Dashboard}/{action:slugify=Index}/{id:slugify?}"); endpoints.MapControllerRoute( name: "default", pattern: "{controller:slugify}/{action:slugify}/{id:slugify?}", defaults: new { controller = "Home", action = "Index" });});

3.4对于Asp.Net Core>=3.0 Web API:

在StartUp中ConfiregeServices这样配置

services.AddControllers(options => { options.Conventions.Add(new RouteTokenTransformerConvention(new SlugifyParameterTransformer()));});

3.5对于Asp.Net Core>=3.0 Razor Pages:

在StartUp中ConfiregeServices这样配置

services.AddRazorPages(options => { options.Conventions.Add(new PageRouteTransformerConvention(new SlugifyParameterTransformer()));});

这样会使/Sys/UserList路由变为/sys/user-list

3.6 对于上面MVC项目，路由模板要调整很多，其实还可以通过实现IControllerModelConvention来实现。

public class DashedRoutingConvention : IControllerModelConvention { public void Apply(ControllerModel controller) { var hasRouteAttributes = controller.Selectors.Any(selector => selector.AttributeRouteModel != null); if (hasRouteAttributes) { // This controller manually defined some routes, so treat this // as an override and not apply the convention here. return; } foreach (var controllerAction in controller.Actions) { foreach (var selector in controllerAction.Selectors.Where(x => x.AttributeRouteModel == null)) { var template = new StringBuilder(); if (controllerAction.Controller.ControllerName != "Home") { template.Append(PascalToKebabCase(controller.ControllerName)); } if (controllerAction.ActionName != "Index") { template.Append("/" + PascalToKebabCase(controllerAction.ActionName)); } selector.AttributeRouteModel = new AttributeRouteModel() { Template = template.ToString() }; } } } public static string PascalToKebabCase(string value) { if (string.IsNullOrEmpty(value)) return value; return Regex.Replace( value, "(?<!^)([A-Z][a-z]|(?<=[a-z])[A-Z])", "-$1", RegexOptions.Compiled) .Trim() .ToLower(); }}

在StartUp中ConfiregeServices这样配置

public void ConfigureServices(IServiceCollection services){ // Add framework services. services.AddMvc(options => options.Conventions.Add(new DashedRoutingConvention()));}

译文：https://stackoverflow.com/questions/40334515/automatically-generate-lowercase-dashed-routes-in-asp-net-core

译者：realyrare

出处：https:///mhg215/

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