services.AddScoped(typeof(IProductService), typeof(ProductService));

　　　　　/// <summary>  /// 获取程序集中的实现类对应的多个接口/// </summary>  /// <param name="assemblyName">程序集</param>public Dictionary<Type, Type[]> GetClassName(string assemblyName){if (!String.IsNullOrEmpty(assemblyName)){Assembly assembly = Assembly.Load(assemblyName);List<Type> ts = assembly.GetTypes().ToList();var result = new Dictionary<Type, Type[]>();foreach (var item in ts.Where(s => !s.IsInterface)){var interfaceType = item.GetInterfaces();result.Add(item, interfaceType);}return result;}return new Dictionary<Type, Type[]>();}

services.AddScoped(typeof(IProductService), typeof(ProductService));

　　　　　　　　//集中注册服务foreach (var item in GetClassName("Service")){foreach (var typeArray in item.Value){services.AddScoped(typeArray, item.Key);}}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using Microsoft.EntityFrameworkCore;
using Entity.Table;
using DAL;
using System.Reflection;
using Service;namespace ASP.NetCoreAPI
{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 void ConfigureServices(IServiceCollection services){services.AddDbContext<ProductContext>(options =>options.UseMySql(Configuration.GetConnectionString("MySqlConnection")));//添加Mysql支持//集中注册服务foreach (var item in GetClassName("Service")){foreach (var typeArray in item.Value){services.AddScoped(typeArray, item.Key);}}services.AddUnitOfWork<ProductContext>();//添加UnitOfWork支持//services.AddScoped(typeof(IProductService), typeof(ProductService));//用ASP.NET Core自带依赖注入(DI)注入使用的类services.AddMvc();}// 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();}app.UseMvc();}/// <summary>  /// 获取程序集中的实现类对应的多个接口/// </summary>  /// <param name="assemblyName">程序集</param>public Dictionary<Type, Type[]> GetClassName(string assemblyName){if (!String.IsNullOrEmpty(assemblyName)){Assembly assembly = Assembly.Load(assemblyName);List<Type> ts = assembly.GetTypes().ToList();var result = new Dictionary<Type, Type[]>();foreach (var item in ts.Where(s => !s.IsInterface)){var interfaceType = item.GetInterfaces();result.Add(item, interfaceType);}return result;}return new Dictionary<Type, Type[]>();}}
}