问题描述
我需要从控制器中获取应用程序的MembershipProvider的实例。我有一个自定义的成员资格实现，它具有描述登录用户的自定义User属性。问题的核心是我需要检索这个User对象。
I need to get an instance of the application's MembershipProvider from within a controller. I have a custom membership implementation that has a custom User property that describes the logged in user. At the heart of the issue is that I need to retrieve this User object.
我的应用程序已经完成了MembershipProvider的骨架实现，但它工作正常，正确地验证了用户尝试登录或创建新帐户。因此，我保留了ASP.NET MVC应用程序开箱即用的AccountController的默认实现。
My application has done a skeletal implementation of the MembershipProvider, but it works fine and correctly validates users that attempt to login or create a new account. Because of that, I have kept the default implementation of the AccountController that comes out of the box for an ASP .NET MVC application.
如果你需要更多的细节，我会乐意为他们提供。
If you need anymore details, I would be happy to provide them.
推荐答案
如果在Visual Studio中创建一个新的ASP.NET MVC项目，它将自动创建一个名为 AccountController 为您。这个控制器提供了如何在ASP.NET MVC中访问MembershipProvider的例子。
If you create a new ASP.NET MVC project in Visual Studio, it will automatically create a controller called AccountController for you. This controller provides an example of how you are supposed to access the MembershipProvider in ASP.NET MVC.
简而言之，它通过隐藏来促进依赖注入（DI）和松散耦合code> IMembershipService 界面下的MembershipProvider。
In short, it promotes Dependency Injection (DI) and loose coupling by hiding the MembershipProvider behind the IMembershipService interface.
类 AccountMembershipService 将 IMembershipService 实现为， MembershipProvider 。
您可以注入一个 IMembershipService 进入任何需要它的控制器，就像 AccountController 一样。
You can inject an instance of IMembershipService into any controller that needs it, just like the AccountController does.
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