一、mvc和webapi使用autofac如下:
1、安装Autofac包,如下图:
2、Program类中添加如下代码(红色部分):public class Program
{
public static void Main(string[] args)
{
CreateHostBuilder(args).Build().Run();
}
public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args)
.UseServiceProviderFactory(new AutofacServiceProviderFactory()) //使用autofac依赖注入
.ConfigureWebHostDefaults(webBuilder =>
{
webBuilder.UseStartup<Startup>();
});
}
3、Startup类中
a、添加ConfigureContainer方法,如下(红色部分):
public class Startup
{
//autofac
public void ConfigureContainer(ContainerBuilder containerBuilder)
{
string repositoryImplAssembly = "RepositoryImpl";//接口仓库实现层程序集
string repositorySuffix = "Repository";//仓库后缀
//单个注册
//containerBuilder.RegisterType<GoodsRepository>().As<IGoodsRepository>();
//批量注册Repository仓库(需要引用RepositoryImpl,不然这里读取不到)
Assembly repositoryAssemblies = Assembly.Load(repositoryImplAssembly);
containerBuilder.RegisterAssemblyTypes(repositoryAssemblies)
.Where(w => w.Name.EndsWith(repositorySuffix, StringComparison.CurrentCultureIgnoreCase))//根据后缀筛选
.Where(x => x.IsClass) //筛选类
.AsImplementedInterfaces() //接口实现类
.InstancePerLifetimeScope();//生命周期
}
public void ConfigureServices(IServiceCollection services)
{
......
}
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
......
}
}
b、ConfigureServices方法中添加如下代码(蓝色部分):
//mvc
services.AddControllersWithViews()
.AddControllersAsServices();//依赖注入需要
4、controller中使用,如下:
public class HomeController : Controller
{
private readonly ITestRepository testRepository;
public HomeController(ITestRepository _testRepository)
{
testRepository = _testRepository;
}
public IActionResult Index()
{
string ss = testRepository.MyTest();
return View();
}
}
二、控制台程序使用autofac如下:
1、安装Autofac包,如上所述。
2、代码如下:
class Program
{
private static ITestRepository testRepository;
static void Main(string[] args)
{
//builder
var builder = new ContainerBuilder();
//单个注册
builder.RegisterType<TestRepository>().As<ITestRepository>();
//容器实例
IContainer instance = builder.Build();
//仓库实例
testRepository = instance.Resolve<ITestRepository>();
var str = testRepository.MyTest();
Console.WriteLine(str);
Console.ReadKey();
}
}