Asp Net Core MVC 视图页面未正确加载

Question

Dot NET CORE 我正在尝试在 MVC CORE Web API 灵魂中添加 MVC 视图页面。我已经添加了控制器和视图，但是当我尝试访问它时，它会给出如下运行时错误。

如果我选择 Web 应用程序，则在创建项目时一切正常。但是我有一个现有的 rest API 项目，这使我创建了两个项目。如果需要，我认为我们可以扩展同一个项目来托管 Rest API 和网页。不能吗？

Startup.cs

     public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory)
        {
            loggerFactory.AddConsole(LogLevel.Debug);
            app.UseDeveloperExceptionPage();
            app.UseCors(options => options.AllowAnyOrigin().AllowAnyHeader().AllowAnyMethod());
            app.UseStaticFiles();
            app.UseOAuthValidation();
            app.UseOpenIddict();
            app.UseMvcWithDefaultRoute();
            app.UseStaticFiles();

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

 public void ConfigureServices(IServiceCollection services)
        {
            services.AddCors();
            services.AddMvc();
            services.AddAutoMapper();
            services.AddDbContext<ApplicationDbContext>(options =>

            services.AddIdentity<ApplicationUser, IdentityRole<Guid>>()
                .AddEntityFrameworkStores<ApplicationDbContext, Guid>()
                .AddDefaultTokenProviders();
            services.AddOpenIddict<ApplicationUser, IdentityRole<Guid>, ApplicationDbContext, Guid>()

                .AllowAuthorizationCodeFlow()
                .AllowPasswordFlow()
                .AllowRefreshTokenFlow()
                .DisableHttpsRequirement()

                .AddEphemeralSigningKey();
            services.AddTransient<IEmailSender, AuthMessageSender>();
        }

Project.json

{
  "buildOptions": {
    "emitEntryPoint": true,
    "debugType": "portable"
  },
  "dependencies": {

    "Microsoft.AspNetCore.Mvc": "1.0.0",
    "Microsoft.AspNetCore.Mvc.Formatters.Json": "1.0.0",
    "Microsoft.AspNetCore.Server.IISIntegration": "1.0.0",
    "Microsoft.AspNetCore.Server.Kestrel": "1.0.0",
    "Microsoft.Extensions.Logging.Console": "1.0.0",
    "OpenIddict": "1.0.0-alpha2-0448",
    "Microsoft.NETCore.App": {
      "type": "platform",
      "version": "1.0.0"
    },
    "Microsoft.AspNetCore.Razor.Tools": {
      "version": "1.0.0-preview2-final",
      "type": "build"
    },
    "Microsoft.AspNetCore.Mvc.TagHelpers": "1.0.0",
    "AspNet.Security.OAuth.Validation": "1.0.0-alpha2-final",
    "Microsoft.AspNetCore.StaticFiles": "1.0.0",
    "Microsoft.AspNetCore.Hosting.Abstractions": "1.0.0",
    "Microsoft.Extensions.Configuration.FileExtensions": "1.0.0",
    "Microsoft.Extensions.Configuration.Json": "1.0.0",
    "Microsoft.AspNetCore.Identity.EntityFrameworkCore": "1.0.0",
    "Microsoft.EntityFrameworkCore": "1.0.1",
    "Microsoft.EntityFrameworkCore.Design": "1.0.0-preview2-final",
    "Microsoft.EntityFrameworkCore.SqlServer": "1.0.1",
    "Microsoft.AspNetCore.Cors": "1.0.0",
    "Microsoft.AspNetCore.Authentication.OpenIdConnect": "1.0.0",
    "Microsoft.AspNetCore.Authentication.JwtBearer": "1.0.0",
    "AutoMapper": "5.1.1",
    "AutoMapper.Extensions.Microsoft.DependencyInjection": "1.1.2",
    "Microsoft.DotNet.ProjectModel": "1.0.0-rc3-003121",
    "Microsoft.AspNetCore.Diagnostics": "1.0.0-rc2-final",
    "datalayer": "1.0.0.0",
    "Common": "1.0.0-*"
  },
  "frameworks": {
    "netcoreapp1.0": { }
  },
  "tools": {
    "Microsoft.AspNetCore.Server.IISIntegration.Tools": {
      "version": "1.0.0-preview2-final"
    },
    "Microsoft.EntityFrameworkCore.Tools": {
      "version": "1.0.0-preview2-final"
    }
  },
  "scripts": {
    "prepublish": [ "bower install" ],
    "postpublish": "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%"
  },
  "publishOptions": {
    "include": [ "wwwroot" ],
    "includeFiles": [ "appsettings.json" ]
  }
}

控制器

 public class ActivationController : Controller
    {
        // GET: /<controller>/
        public IActionResult Index()
        {
            return View();
        }
    }

查看（索引.cshtml）

<h1>Hello world!</h1>

Answer 1

看来我们需要在 project.json 中将 preserveCompilationContext 设置为 true。 Razor 视图的运行时编译是必需的。

  "buildOptions": {
        "emitEntryPoint": true,
        "debugType": "portable",
        "preserveCompilationContext": true
      },