将 Autofac 与 ASP.Net Core 3.1 通用主机“Worker Service"一起使用应用 [英] Using Autofac with ASP.Net Core 3.1 generic host "Worker Service" application
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问题描述
在 ASP.Net Core 应用程序中,使用以下命令可以轻松配置 Autofac:
In an ASP.Net Core application, its easy to configure Autofac using:
public class Program
{
public static void Main(string[] args)
{
// ASP.NET Core 3.0+:
// The UseServiceProviderFactory call attaches the
// Autofac provider to the generic hosting mechanism.
var host = Host.CreateDefaultBuilder(args)
.UseServiceProviderFactory(new AutofacServiceProviderFactory())
.ConfigureWebHostDefaults(webHostBuilder => {
webHostBuilder
.UseContentRoot(Directory.GetCurrentDirectory())
.UseIISIntegration()
.UseStartup<Startup>();
})
.Build();
host.Run();
}
}
public class Startup
{
// Omitting extra stuff so you can see the important part...
public void ConfigureServices(IServiceCollection services)
{
// Add controllers as services so they'll be resolved.
services.AddMvc().AddControllersAsServices();
}
public void ConfigureContainer(ContainerBuilder builder)
{
// If you want to set up a controller for, say, property injection
// you can override the controller registration after populating services.
builder.RegisterType<MyController>().PropertiesAutowired();
}
}
但在通用主机中,Worker 类没有任何对 ConfigureServices
和 ConfigureContainer
的内置支持.
But in a generic host, the Worker class does not have any built in support for ConfigureServices
and ConfigureContainer
.
如何为非 ASP.Net Core 应用程序中的通用主机启用相同的功能?
How do I enable the same for a generic host in a non ASP.Net Core application?
推荐答案
通用主机构建器 确实具有对 ConfigureContainer
和 ConfigureServices
var host = Host.CreateDefaultBuilder(args)
.UseServiceProviderFactory(new AutofacServiceProviderFactory())
.ConfigureContainer<ContainerBuilder>(builder => {
builder.RegisterType<MyDependencyType>();
//...
})
.ConfigureServices(services => {
services.AddHostedService<Worker>();
//...
})
.ConfigureWebHostDefaults(webHostBuilder => {
webHostBuilder
.UseContentRoot(Directory.GetCurrentDirectory())
.UseIISIntegration()
.UseStartup<Startup>();
})
.Build();
host.Run();
参考 .NET 通用主机
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