获取所有在ASP.NET Core 2.0中具有特定角色的用户 [英] Get all users with a specific role in ASP.NET Core 2.0

问题描述

我刚刚开始将应用程序从ASP.NET MVC 5移植到ASP.NET Core 2.0(具有EF Core和Identity).一切都进行得很顺利，但是我遇到了一个我似乎找不到答案的问题.

I'm just getting started with porting a application from ASP.NET MVC 5 to ASP.NET Core 2.0 (with EF Core and Identity). All has been going smooth, but I've ran into a problem that I can't seem to find an answer to.

我要做的只是根据分配给他们的角色(管理员，用户等)获取数据库中的所有用户.

What I want to do is simply to fetch all users in a database, based on the role they are assigned (Admin, User, etc.).

在我刚刚使用的MVC 5中，这很简单:

This was simple in MVC 5 where I was just using:

_db.UserCompany.Where(x => x.User.Roles.Any(s => s.RoleId == adminRole.Id)

但是，使用.NET Core/Entity Framework Core，我似乎无法再导航到User-> Role.

However, with .NET Core / Entity Framework Core I don't seem to be able to navigate through the User -> Role anymore.

所以我的问题是，Identity/EF Core中是否已经存在一种实现我想要的方法?还是有必要实施自定义解决方案?

So my question is if there is a already implemented way in Identity/EF Core to achieve what I want? Or is it necessary to implement a custom solution?

提前谢谢！

推荐答案

对我来说，用户管理器是答案

For me, User Manager was the answer

private readonly UserManager<ApplicationUser> _userManager;

_userManager.GetUsersInRoleAsync("myRole").Result

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