static void Main(string[] args)
{
var serviceCollection = new ServiceCollection();
//ITank是静态类型，typeof后才能拿到动态的类型描述
//AddScoped方法有多种重载，这里调用的是第一个参数为一个类型，第二个参数为谁实现了这个类型
serviceCollection.AddScoped(typeof(ITank), typeof(HeavyTank));
serviceCollection.AddScoped(typeof(IVehicle), typeof(Car));
serviceCollection.AddScoped <Driver>();
var serviceProvider = serviceCollection.BuildServiceProvider();
//-------------------以上为注册-------------------------------
ITank tank = serviceProvider.GetService <ITank>();
tank.Fire();
tank.run();
//--------------------------------------------------------------
Driver driver = serviceProvider.GetService <Driver>();
driver.Drive();
}
