如何在c＃中创建自定义IoC容器？ [英] How to create a custom IoC Container in c#?

问题描述

我想创建自己的自定义IoC容器，并附上每一步的说明。任何人都可以帮帮我吗？

I want to create my own custom IoC container with the explanation for every step.Can anyone please help me out?

推荐答案

嗯，这很简单，事实上，这里是容器的完整源代码：

Well, it is pretty simple, as a matter of fact, here is the full source code for the container:

public class DemoContainer
{
    public delegate object Creator(DemoContainer container);

    private readonly Dictionary<string, object> configuration
                   = new Dictionary<string, object>();
    private readonly Dictionary<Type, Creator> typeToCreator
                   = new Dictionary<Type, Creator>();

    public Dictionary<string, object> Configuration
    {
        get { return configuration; }
    }

    public void Register<T>(Creator creator)
    {
        typeToCreator.Add(typeof(T),creator);
    }

    public T Create<T>()
    {
        return (T) typeToCreator[typeof (T)](this);
    }

    public T GetConfiguration<T>(string name)
    {
        return (T) configuration[name];
    }
}

不是很难弄清楚，对吧？客户端代码非常简单：

Not really hard to figure out, right? And the client code is as simple:

DemoContainer container = new DemoContainer();
//registering dependecies
container.Register<IRepository>(delegate
{
    return new NHibernateRepository();
});
container.Configuration["email.sender.port"] = 1234;
container.Register<IEmailSender>(delegate
{
    return new SmtpEmailSender(container.GetConfiguration<int>("email.sender.port"));
});
container.Register<LoginController>(delegate
{
    return new LoginController(
        container.Create<IRepository>(),
        container.Create<IEmailSender>());
});

//using the container
Console.WriteLine(
    container.Create<LoginController>().EmailSender.Port
    );

阅读本文 [ ^ ]获取指向多个不同IOC容器的链接。您可以查看它们并选择您最喜欢的那个。

Read this[^] to get links to several different IOC Containers. You can look them over and pick the one you like best.

阅读Sacha Barber撰写的这篇文章野蛮人IoC [ ^ ]

Have a read of this article by Sacha Barber Barbarian IoC[^]

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