构造函数注入（C）

Created: November-22, 2018

public class Foo
{
    private readonly IBar _iBar;

    public Foo(IBar iBar)
    {
        _iBar = iBar;
    }

    public void DoStuff()
    {
        _bar.DoSomething();
    }
}

public interface IBar
{
    void DoSomething();
}