[英].NET Core and Swagger API generation
我正在創建一個准系統 .NET Core web api 項目(從下面的空白模板開始) https://andrewlock.net/removing-the-mvc-razor-dependencies-from-the-web-api-template-in-asp-網核/
下面的代碼運行良好,直到我添加了 Swashbuckle.AspNetCore(以及下面的配置代碼),現在我們得到了這個錯誤
InvalidOperationException:沒有注冊“Microsoft.AspNetCore.Mvc.ApiExplorer.IApiDescriptionGroupCollectionProvider”類型的服務。
有任何想法嗎?
請注意:我們沒有使用“builder.AppMvc()”,因為我們正在嘗試盡可能地精簡這個 api。
public class Startup
{
// This method gets called by the runtime. Use this method to add services to the container.
// For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
public void ConfigureServices(IServiceCollection services)
{
var builder = services.AddMvcCore();
builder.AddAuthorization();
builder.AddFormatterMappings();
builder.AddJsonFormatters();
builder.AddCors();
// Register the Swagger generator, defining one or more Swagger documents
services.AddSwaggerGen(c =>
{
c.SwaggerDoc("v1", new Info { Title = "My API", Version = "v1" });
});
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
{
loggerFactory.AddConsole();
if (env.IsDevelopment())
app.UseDeveloperExceptionPage();
app.UseMvc();
// Enable middleware to serve generated Swagger as a JSON endpoint.
app.UseSwagger();
// Enable middleware to serve swagger-ui (HTML, JS, CSS etc.), specifying the Swagger JSON endpoint.
app.UseSwaggerUI(c =>
{
c.SwaggerEndpoint("/swagger/v1/swagger.json", "My API V1");
});
}
}
[Route("api/[controller]")]
public class ValuesController : ControllerBase
{
// GET api/values
[HttpGet]
public IActionResult Get()
{
return Ok(new[] {"value1", "value2"});
}
}
解決方案:在 Startup.cs 中使用 AddMvc() 而不是 AddMvcCore() 它將起作用。
或寫:
services.AddMvcCore().AddApiExplorer();
這些鏈接可以幫助:
沒有注冊“Microsoft.AspNetCore.Mvc.ViewFeatures.ITempDataDictionaryFactory”類型的服務
https://github.com/domaindrivendev/Swashbuckle.AspNetCore/issues/299
對於 ASP.NET Core 2.2,您應該編寫:
services.AddMvcCore().AddApiExplorer();
如果您嘗試將帶有 Swagger UI 的 AspNetCore MVC 控制器添加到 AspNetCore Web 應用程序中,也會出現這些類型的錯誤。 只需將它們分成兩個不同的項目:mvc 控制器和 Web 應用程序。
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