using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;using Autofac;namespace TianYa.DotNetShare.CoreAutofacDemo
{/// <summary>/// 注册Autofac模块/// </summary>public class AutofacModuleRegister : Autofac.Module{/// <summary>/// 重写Autofac管道Load方法，在这里注册注入/// </summary>protected override void Load(ContainerBuilder builder){//builder.RegisterType<StudentRepository>().As<IStudentRepository>().PropertiesAutowired()//    .InstancePerLifetimeScope();//builder.RegisterType<StudentService>().As<IStudentService>().PropertiesAutowired()//    .InstancePerLifetimeScope();
builder.RegisterAssemblyTypes(GetAssemblyByName("TianYa.DotNetShare.Repository")).Where(a => a.Name.EndsWith("Repository")).AsSelf().AsImplementedInterfaces().PropertiesAutowired().InstancePerLifetimeScope();builder.RegisterAssemblyTypes(GetAssemblyByName("TianYa.DotNetShare.Service")).Where(a => a.Name.EndsWith("Service")).AsSelf().AsImplementedInterfaces().PropertiesAutowired().InstancePerLifetimeScope();//注册MVC控制器，注册所有到控制器var controllersTypesInAssembly = typeof(Startup).Assembly.GetExportedTypes().Where(type => typeof(Microsoft.AspNetCore.Mvc.ControllerBase).IsAssignableFrom(type)).ToArray();builder.RegisterTypes(controllersTypesInAssembly).PropertiesAutowired();}/// <summary>/// 根据程序集名称获取程序集/// </summary>/// <param name="assemblyName">程序集名称</param>public static Assembly GetAssemblyByName(string assemblyName){return Assembly.Load(assemblyName);}}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;using Autofac;
using Autofac.Extensions.DependencyInjection;namespace TianYa.DotNetShare.CoreAutofacDemo
{public class Startup{public Startup(IConfiguration configuration){Configuration = configuration;}public IConfiguration Configuration { get; }// This method gets called by the runtime. Use this method to add services to the container.public IServiceProvider ConfigureServices(IServiceCollection services){services.Configure<CookiePolicyOptions>(options =>{// This lambda determines whether user consent for non-essential cookies is needed for a given request.options.CheckConsentNeeded = context => true;options.MinimumSameSitePolicy = SameSiteMode.None;});services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2).AddControllersAsServices();return RegisterAutofac(services); //注册Autofac
        }// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.public void Configure(IApplicationBuilder app, IHostingEnvironment env){if (env.IsDevelopment()){app.UseDeveloperExceptionPage();}else{app.UseExceptionHandler("/Home/Error");}app.UseStaticFiles();app.UseCookiePolicy();app.UseMvc(routes =>{routes.MapRoute(name: "default",template: "{controller=Home}/{action=Index}/{id?}");});}/// <summary>/// 注册Autofac/// </summary>private IServiceProvider RegisterAutofac(IServiceCollection services){//实例化Autofac容器var builder = new ContainerBuilder();//将services中的服务填充到Autofac中
            builder.Populate(services);//新模块组件注册    builder.RegisterModule<AutofacModuleRegister>();//创建容器var container = builder.Build();//第三方IoC容器接管Core内置DI容器 return new AutofacServiceProvider(container);}}
}

services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);

services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2).AddControllersAsServices();

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using TianYa.DotNetShare.CoreAutofacDemo.Models;using TianYa.DotNetShare.Service;
using TianYa.DotNetShare.Repository;
using TianYa.DotNetShare.Repository.Impl;namespace TianYa.DotNetShare.CoreAutofacDemo.Controllers
{public class HomeController : Controller{/// <summary>/// 定义仓储层学生抽象类对象/// </summary>private IStudentRepository _stuRepository;/// <summary>/// 定义服务层学生抽象类对象/// </summary>private IStudentService _stuService;/// <summary>/// 定义服务层学生抽象类对象/// 属性注入：访问修饰符必须为public，否则会注入失败。/// </summary>public IStudentService StuService { get; set; }/// <summary>/// 定义仓储层学生实现类对象/// 属性注入：访问修饰符必须为public，否则会注入失败。/// </summary>public StudentRepository StuRepository { get; set; }/// <summary>/// 通过构造函数进行注入/// 注意：参数是抽象类，而非实现类，因为已经在Startup.cs中将实现类映射给了抽象类/// </summary>/// <param name="stuRepository">仓储层学生抽象类对象</param>/// <param name="stuService">服务层学生抽象类对象</param>public HomeController(IStudentRepository stuRepository, IStudentService stuService){this._stuRepository = stuRepository;this._stuService = stuService;}public IActionResult Index(){var stu1 = StuRepository.GetStuInfo("10000");var stu2 = StuService.GetStuInfo("10001");var stu3 = _stuService.GetStuInfo("10002");var stu4 = _stuRepository.GetStuInfo("1003");string msg = $"学号：10000，姓名：{stu1.Name}，性别：{stu1.Sex}，年龄：{stu1.Age}<br />";msg += $"学号：10001，姓名：{stu2.Name}，性别：{stu2.Sex}，年龄：{stu2.Age}<br/>";msg += $"学号：10002，姓名：{stu3.Name}，性别：{stu3.Sex}，年龄：{stu3.Age}<br/>";msg += $"学号：10003，姓名：{stu4.Name}，性别：{stu4.Sex}，年龄：{stu4.Age}<br/>";return Content(msg, "text/html", System.Text.Encoding.UTF8);}public IActionResult Privacy(){return View();}[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]public IActionResult Error(){return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });}}
}

链接：https://pan.baidu.com/s/11RM9jUr9n342TmV8z8MEHA
提取码：86s0