// As for Autofac, I think we just can use constructor injection not setter injection.
// And I think Attribute injection is so complex.
public static void Run()
{
Console.WriteLine($"开始运行{nameof(Demo3)}");
// 使用 StudentDal1
ContainerBuilder cb = new ContainerBuilder();
cb.RegisterType <StudentBll>().As <IStudentBll>();
cb.RegisterType <StudentDal1>().As <IStudentDal>();
IContainer container = cb.Build();
IStudentBll studentBll = container.Resolve <IStudentBll>();
IStudentDal studentDal = container.Resolve <IStudentDal>();
IEnumerable <Student> students = studentBll.GetStudents();
foreach (Student student in students)
{
Console.WriteLine(student);
}
// 使用 StudentDal2
cb = new ContainerBuilder();
cb.RegisterType <StudentBll>().As <IStudentBll>();
cb.RegisterType <StudentDal2>().As <IStudentDal>();
container = cb.Build();
studentBll = container.Resolve <IStudentBll>();
students = studentBll.GetStudents();
foreach (Student student in students)
{
Console.WriteLine(student);
}
Console.WriteLine($"结束运行{nameof(Demo3)}");
}
public void Run()
{
Console.WriteLine($"开始运行{nameof(FactoryTest)}");
var builder = new ObjectContainerBuilder();
builder.Register <StudentBll, IStudentBll>();
builder.Register <StudentDal1, IStudentDal>();
ICustomContainer container = builder.Build();
// 使用 StudentDal1
//IStudentBll studentBll = new StudentBll(new StudentDal1());
IStudentBll studentBll = container.Resolve <IStudentBll>();
var students = studentBll.GetStudents();
foreach (var student in students)
{
Console.WriteLine(student);
}
// 使用 StudentDal2
studentBll = new StudentBll(new StudentDal2());
students = studentBll.GetStudents();
foreach (var student in students)
{
Console.WriteLine(student);
}
Console.WriteLine($"结束运行{nameof(FactoryTest)}");
}