如何在 ASP.NET Core 中创建角色并将其分配给用户? [英] How to create roles in ASP.NET Core and assign them to users?

问题描述

我使用的是 ASP.NET Core 默认网站模板，并将身份验证选为个人用户帐户".如何创建角色并将其分配给用户，以便我可以使用控制器中的角色来过滤访问?

I am using the ASP.NET Core default website template and have the authentication selected as "Individual User Accounts". How can I create roles and assign it to users so that I can use the roles in a controller to filter access?

推荐答案

我在 Accounts 控制器中创建了一个操作，该操作调用一个函数来创建角色并分配 Admin角色到默认用户.(您可能应该删除生产中的默认用户):

I have created an action in the Accounts controller that calls a function to create the roles and assign the Admin role to the default user. (You should probably remove the default user in production):

    private async Task CreateRolesandUsers()
    {  
        bool x = await _roleManager.RoleExistsAsync("Admin");
        if (!x)
        {
            // first we create Admin rool    
            var role = new IdentityRole();
            role.Name = "Admin";
            await _roleManager.CreateAsync(role);

            //Here we create a Admin super user who will maintain the website                   

            var user = new ApplicationUser();
            user.UserName = "default";
            user.Email = "[e-mail]";

            string userPWD = "somepassword";

            IdentityResult chkUser = await _userManager.CreateAsync(user, userPWD);

            //Add default User to Role Admin    
            if (chkUser.Succeeded)
            {
                var result1 = await _userManager.AddToRoleAsync(user, "Admin");
            }
        }

        // creating Creating Manager role     
        x = await _roleManager.RoleExistsAsync("Manager");
        if (!x)
        {
            var role = new IdentityRole();
            role.Name = "Manager";
            await _roleManager.CreateAsync(role);
        }

        // creating Creating Employee role     
        x = await _roleManager.RoleExistsAsync("Employee");
        if (!x)
        {
            var role = new IdentityRole();
            role.Name = "Employee";
            await _roleManager.CreateAsync(role);
        }
  }

在您可以创建一个控制器来管理用户的角色之后.

After you could create a controller to manage roles for the users.

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