我是 Ninject 的新手,经过一些研究,我想出了一个例子:
public interface IWeapon
{
void Hit(Target target);
}
public class Sword : IWeapon
{
public void Hit(Target target)
{
//do something here
}
}
public class Character
{
private IWeapon weapon;
public Character(IWeapon weapon)
{
this.weapon = weapon;
}
public void Attack(Target target)
{
this.weapon.Hit(target);
}
}
public class Bindings : NinjectModule
{
public overrides void Load()
{
Bind<IWeapon>().To<Sword>();
}
}
public void Main()
{
Target sometarget = new Target();
Kernel kernel = new StandardKernel(new Bindings());
var weapon = kernel.Get<IWeapon>();
var character = new Character(weapon);
character.Attack(sometarget);
}
如您所见,为了解决依赖性,我必须使用 Kernel
拉取 IWeapon
实例并将其传递给 Character
的构造函数。我觉得这有点难看,我想知道有没有一种方法可以直接拉取 Character
实例,并且 Ninject 会自动解决与 IWeapon
的依赖关系?像这样的东西:
Character character = kernel.Resolve<Character>();
最佳答案
默认情况下,Ninject 将允许您使用正确的绑定(bind)自动解析具体类型。在您的实例中,您可以这样做:
public void Main()
{
Target sometarget = new Target();
IKernel kernel = new StandardKernel(new Bindings());
//var weapon = kernel.Get<IWeapon>();
var character = kernel.Get<Character>();
character.Attack(sometarget);
}
有关更多信息,请阅读 Ninject wiki:https://github.com/ninject/ninject/wiki/Dependency-Injection-With-Ninject
关于c# - Ninject 如何在一次调用中解决依赖关系,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/23100001/