ASP.NET Core如何自动生成小写的破折号路由

默认情况下，ASP.NET Core使用如  >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

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