Question

我将VS2015RC MVC 6 Web项目（DNVM）从beta5升级到beta6，并将所有依赖项升级到beta5。经过许多细微的调整后，我想到了一个问题。在启动时追逐配置更改后，我发现Startup方法的签名已更改，并包含一个无法解析的接口。

错误CS0433“Microsoft.Framework.Runtime.Abstractions，Version = 1.0.0.0，Culture = neutral，PublicKeyToken = null”和“Microsoft.Framework.Runtime.Interfaces，Version = 1.0”中存在“IApplicationEnvironment”类型。 0.0，Culture = neutral，PublicKeyToken = null'Web.DNX 4.5.1 D：\ Repositories \ Web \ Startup.cs 35

我尝试使用nuget添加beta4抽象和接口，但都没有用。

我错过了哪些程序集升级或添加到项目中？

public Startup(IHostingEnvironment env, **IApplicationEnvironment** appEnv)
        {
            var configuration = new ConfigurationBuilder(appEnv.ApplicationBasePath)
               .AddJsonFile("config.json")
               .AddEnvironmentVariables();

谢谢！

Answer 1

跟踪它。

只需在project.json中使用“Microsoft.Framework.Runtime.Abstractions”：“1.0.0-beta5”，并删除接口依赖项（如果有）。

我的project.json

"dependencies": {
    "EntityFramework.Commands": "7.0.0-beta5",
    "EntityFramework.SqlServer": "7.0.0-beta5",
    "Microsoft.AspNet.Authentication.Cookies": "1.0.0-beta5",
    "Microsoft.AspNet.Authentication.Facebook": "1.0.0-beta5",
    "Microsoft.AspNet.Authentication.Google": "1.0.0-beta5",
    "Microsoft.AspNet.Authentication.MicrosoftAccount": "1.0.0-beta5",
    "Microsoft.AspNet.Authentication.Twitter": "1.0.0-beta5",
    "Microsoft.AspNet.Diagnostics": "1.0.0-beta5",
    "Microsoft.AspNet.Diagnostics.Entity": "7.0.0-beta5",
    "Microsoft.AspNet.Identity.EntityFramework": "3.0.0-beta5",
    "Microsoft.AspNet.Mvc": "6.0.0-beta5",
    "Microsoft.AspNet.Mvc.TagHelpers": "6.0.0-beta5",
    "Microsoft.AspNet.Server.IIS": "1.0.0-beta5",
    "Microsoft.AspNet.Server.WebListener": "1.0.0-beta5",
    "Microsoft.AspNet.SignalR.Server": "3.0.0-beta5",
    "Microsoft.AspNet.StaticFiles": "1.0.0-beta5",
    "Microsoft.AspNet.Tooling.Razor": "1.0.0-beta5",
    "Microsoft.Framework.CodeGenerators.Mvc": "1.0.0-beta5",
    "Microsoft.Framework.CommandLineUtils": "1.0.0-beta4",
    "Microsoft.Framework.Configuration": "1.0.0-beta5",
    "Microsoft.Framework.Configuration.CommandLine": "1.0.0-beta5",
    "Microsoft.Framework.Configuration.EnvironmentVariables": "1.0.0-beta5",
    "Microsoft.Framework.Configuration.Ini": "1.0.0-beta5",
    "Microsoft.Framework.Configuration.Json": "1.0.0-beta5",
    "Microsoft.Framework.Configuration.UserSecrets": "1.0.0-beta5",
    "Microsoft.Framework.DependencyInjection": "1.0.0-beta5",
    "Microsoft.Framework.Logging": "1.0.0-beta5",
    "Microsoft.Framework.Logging.Console": "1.0.0-beta5",
    "Microsoft.Framework.Runtime.Abstractions": "1.0.0-beta5",

  },

Answer 2

我刚刚自己开始工作，上面的答案缺少一部分关于Startup.cs也需要的一些小改动，希望这有助于其他人从beta4升级到beta5：

在project.json依赖项中添加：

using Microsoft.Framework.Runtime;

在您的Startup.cs中，请确保使用以下内容：

.Build()

启动方法看起来像这样（包括最后的public Startup(IHostingEnvironment env, IApplicationEnvironment appEnv) { Configuration = new ConfigurationBuilder(appEnv.ApplicationBasePath) .AddJsonFile("config.json") .AddEnvironmentVariables() .Build(); }，现在也需要。

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VS 2015RC中的MVC 6升级

2 个答案: