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

我正在使用asp.net核心默认网站模板和身份验证作为单个用户帐户.如何创建角色并将其分配给用户，以便可以在控制器中使用角色来过滤访问权限.

I am using asp.net core default web site template and authentication selected as individual user account. How can I create role and assign it to user so that I can use role in controller to filter the access.

推荐答案

我在帐户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影响默认用户的admin角色(您可能应该删除默认用户在生产中):

I created a action in the account controller that call a function to create the roles and affect the admin role to a 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);
        }
  }

之后，您可以创建控制器来管理用户的角色.

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

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