使用实体框架在引用的 dll 中使用存储库

发布于 2024-11-07 21:00:16 字数 665 浏览 0 评论 0原文

我创建了一个DLL，其中包含大量身份验证和用户管理，我尝试在单独的项目（MVC 3 网站）中使用它们。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using TestProj.Authentication;

namespace TestSite.MVC.Areas.Admin.Controllers
{
    public class TestController : Controller
    {     
        AuthenticationRepository authrep = new AuthenticationRepository();

        public ActionResult Index()
        {
            authrep.DeleteUser(1);
            return View();
        }
    }
}

现在这显然行不通了，这是可以理解的。

我这里需要依赖注入吗？
在这种情况下，基本代码将如何查找？
我需要在构造函数中为引用的DLL 添加一些内容吗？

原文

I have created a DLL that contains lots of authentication and user management that I'm trying to use in a separate project (MVC 3 Website).

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using TestProj.Authentication;

namespace TestSite.MVC.Areas.Admin.Controllers
{
    public class TestController : Controller
    {     
        AuthenticationRepository authrep = new AuthenticationRepository();

        public ActionResult Index()
        {
            authrep.DeleteUser(1);
            return View();
        }
    }
}

Now this obviously does'nt work, which is understandable.

Is it dependency injection I need here?
And in that case, how would the basic code look for that?
Do I need to add something in the constructor for the referenced DLL?

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沧桑㈠ 2024-11-14 21:00:16

尝试像这样构造你的控制器：

public class TestController : Controller
    {     
        IAuthenticationRepository AuthenticationRepository { get;set; }

        public void TestController (IuthenticationRepository authenticationRepository)  
        {
          this.AuthenticationRepository = authenticationRepository;
        }

        public ActionResult Index()
        {
            this.AuthenticationRepository.DeleteUser(1);

            return View();
        }
    }

为你的存储库创建一个接口。然后，您可以使用 DI 框架（例如 MVC 3 的 Ninject）将 AuthenticationRepository 的实例注入到 IAuthenticationRepository 的使用中。

https://github.com/ninject/ninject/wiki

Try structuring your controller like this:

public class TestController : Controller
    {     
        IAuthenticationRepository AuthenticationRepository { get;set; }

        public void TestController (IuthenticationRepository authenticationRepository)  
        {
          this.AuthenticationRepository = authenticationRepository;
        }

        public ActionResult Index()
        {
            this.AuthenticationRepository.DeleteUser(1);

            return View();
        }
    }

Create an interface for your repository. You could then use a DI framework (like Ninject for MVC 3) to inject instances of AuthenticationRepository into usages of IAuthenticationRepository.

https://github.com/ninject/ninject/wiki

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