我开始了我的第一个.NET CORE 2.0项目,它是一个WebAPI。一切都很顺利,直到我遇到配置Autofac的问题。我按照这里描述的说明进行操作。但不幸的是,我在StartUp中遇到了编译错误。显然,
FYI:
ContainerBuilder
没有包含Populate()
的定义。而且类型AutofacServiceProvider
无法找到。我在网上搜索了一段时间,试图找到正确的2.0文档。它们零散并且不总是清晰,不知道源代码是否针对1.0或2.0版本。不幸的是,所有选项都以编译错误告终,因此我决定坚持使用官方文档提供的实现。是否可能Autofac不支持.NET Core 2.0中的这种初始化形式?FYI:
using Autofac;
using System;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
namespace TEST.API
{
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
public IServiceProvider ConfigureServices(IServiceCollection services)
{
services.AddMvc();
var containerBuilder = new ContainerBuilder();
containerBuilder.RegisterModule<ServiceModule>();
containerBuilder.Populate(services);
var container = containerBuilder.Build();
return new AutofacServiceProvider(container);
}
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
app.UseMvc();
}
}
}
<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>netcoreapp2.0</TargetFramework>
</PropertyGroup>
<ItemGroup>
<Folder Include="wwwroot\" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\Model\Recipy.Model.csproj" />
<ProjectReference Include="..\Service\Recipy.Service.csproj" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="Autofac" Version="4.6.2" />
<PackageReference Include="Autofac.Extensions.DependencyInjection" Version="4.2.0" />
<PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.0" />
</ItemGroup>
<ItemGroup>
<DotNetCliToolReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Tools" Version="2.0.0" />
</ItemGroup>
</Project>