C# RoleManager类代码示例

 public UserController(IUserService service, RoleManager<IdentityRole> roleManager, IClanService clanService)
 {
     Service = service;
     RoleManager = roleManager;
     UserManager = new UserManager<ApplicationUser>(new UserStore<ApplicationUser>(new ApplicationDbContext()));
     ClanService = clanService;
 }

 public AccountController(
     UserManager userManager,
     IMultiTenancyConfig multiTenancyConfig,
     IUserEmailer userEmailer,
     RoleManager roleManager,
     TenantManager tenantManager,
     IUnitOfWorkManager unitOfWorkManager,
     ITenancyNameFinder tenancyNameFinder,
     ICacheManager cacheManager,
     IAppNotifier appNotifier,
     IWebUrlService webUrlService,
     AbpLoginResultTypeHelper abpLoginResultTypeHelper,
     IUserLinkManager userLinkManager,
     INotificationSubscriptionManager notificationSubscriptionManager)
 {
     _userManager = userManager;
     _multiTenancyConfig = multiTenancyConfig;
     _userEmailer = userEmailer;
     _roleManager = roleManager;
     _tenantManager = tenantManager;
     _unitOfWorkManager = unitOfWorkManager;
     _tenancyNameFinder = tenancyNameFinder;
     _cacheManager = cacheManager;
     _webUrlService = webUrlService;
     _appNotifier = appNotifier;
     _abpLoginResultTypeHelper = abpLoginResultTypeHelper;
     _userLinkManager = userLinkManager;
     _notificationSubscriptionManager = notificationSubscriptionManager;
 }

 public DevelopmentDefaultData(IOptions<DevelopmentSettings> options, IDataContext dataContext, UserManager<User> userManager, RoleManager<Role> roleManager)
 {
     this.settings = options.Value;
     this.dataContext = dataContext;
     this.userManager = userManager;
     this.roleManager = roleManager;
 }

        internal void AddUserAndRole()
        {
            // access the application context and create result variables.
            Models.ApplicationDbContext context = new ApplicationDbContext();
            IdentityResult IdRoleResult;
            IdentityResult IdUserResult;

            // create roleStore object that can only contain IdentityRole objects by using the ApplicationDbContext object.
            var roleStore = new RoleStore<IdentityRole>(context);
            var roleMgr = new RoleManager<IdentityRole>(roleStore);

            // create admin role if it doesn't already exist
            if (!roleMgr.RoleExists("admin"))
            {
                IdRoleResult = roleMgr.Create(new IdentityRole { Name = "admin" });
            }

            // create a UserManager object based on the UserStore object and the ApplicationDbContext object.
            // defines admin email account
            var userMgr = new UserManager<ApplicationUser>(new UserStore<ApplicationUser>(context));
            var appUser = new ApplicationUser
            {
                UserName = "[email protected]",
                Email = "[email protected]"
            };
            IdUserResult = userMgr.Create(appUser, "Pa$$word1");

            // If the new admin user was successfully created, add the new user to the "admin" role.
            if (!userMgr.IsInRole(userMgr.FindByEmail("[email protected]").Id, "admin"))
            {
                IdUserResult = userMgr.AddToRole(userMgr.FindByEmail("[email protected]").Id, "admin");
            }
        }

        public static void Initialize(MacheteContext DB)
        {
            IdentityResult ir;

            var rm = new RoleManager<IdentityRole>
               (new RoleStore<IdentityRole>(DB));
            ir = rm.Create(new IdentityRole("Administrator"));
            ir = rm.Create(new IdentityRole("Manager"));
            ir = rm.Create(new IdentityRole("Check-in"));
            ir = rm.Create(new IdentityRole("PhoneDesk"));
            ir = rm.Create(new IdentityRole("Teacher"));
            ir = rm.Create(new IdentityRole("User"));
            ir = rm.Create(new IdentityRole("Hirer")); // This role is used exclusively for the online hiring interface

            var um = new UserManager<ApplicationUser>(
                new UserStore<ApplicationUser>(DB));
            var user = new ApplicationUser()
            {
                UserName = "jadmin",
                IsApproved = true,
                Email = "[email protected]"
            };

            ir = um.Create(user, "ChangeMe");
            ir = um.AddToRole(user.Id, "Administrator"); //Default Administrator, edit to change
            ir = um.AddToRole(user.Id, "Teacher"); //Required to make tests work
            DB.Commit();
        }

 public ActionResult ChangeRoleOfUserInGroup(string mail)
 {
     //SKapa VM instans
     UserChangeRoleViewModel changeVM = new UserChangeRoleViewModel();
     var roleManager = new RoleManager<IdentityRole>(new RoleStore<IdentityRole>(new ApplicationDbContext()));
     var userManager = new UserManager<ApplicationUser>(new UserStore<ApplicationUser>(new ApplicationDbContext()));
     //Välj en user till Viewmodell
     //ViewBag.Name = changeVM.Name;
     changeVM.Users = repo.ApplicationUsers().Select(u => new SelectListItem
     {
         Text = u.UserName,
         Value = u.Id,
     });
     //ApplicationUser usr = repo.ApplicationUsers().First();
     //Välj vilken av users roll som skall ändras
     //List<IdentityRole> cVM = new List<IdentityRole>();
     changeVM.SelectedUser = repo.ApplicationUsers().Single(m => m.Email == mail).Id;
     changeVM.OldRoles = userManager.GetRoles(changeVM.SelectedUser).Select(o => new SelectListItem
     {
         Text = o,
         Value = o
     });
     //Välj en ny roll till Viewmodell
     changeVM.Roles = repo.RolesList().Select(r => new SelectListItem
     {
         Text = r.Name,
         Value = r.Name
     });
     //Returna View med VM
     return View(changeVM);
 }

        public ActionResult Users()
        {
            var roleManager = new RoleManager<IdentityRole>(new RoleStore<IdentityRole>(db));
            if (!roleManager.RoleExists("user"))
            {
                var nRole = new IdentityRole("user");
                roleManager.Create(nRole);
            }
            if (!roleManager.RoleExists("admin"))
            {
                var nRole = new IdentityRole("admin");
                roleManager.Create(nRole);
            }
            if (!roleManager.RoleExists("moderator"))
            {
                var nRole = new IdentityRole("moderator");
                roleManager.Create(nRole);
            }
            if (!roleManager.RoleExists("journalist"))
            {
                var nRole = new IdentityRole("journalist");
                roleManager.Create(nRole);
            }

            var vm = new AdminUsersViewModel();

            vm.Users = db.Users.OrderBy(x => x.UserName).ToList();
            vm.Roles = db.Roles.ToList();

            return View(vm);
        }

 public UserRepository()
 {
     UserManager =
         new UserManager<ApplicationUser>(
             new UserStore<ApplicationUser>(ApplicationDbContext.Create()));
     RoleManager = new RoleManager<IdentityRole>(new RoleStore<IdentityRole>(ApplicationDbContext.Create()));
 }

 public UserService(DbContext context, IRepository<User> users, IRepository<Message, int> messages)
 {
     this.users = users;
     this.messages = messages;
     this.userManager = new UserManager<User>(new UserStore<User>(context));
     this.roleManager = new RoleManager<IdentityRole>(new RoleStore<IdentityRole>(context));
 }

        private void SeedRolesAndUsers(ETCCanadaContext context)
        {
            RoleManager<ApplicationRole> roleManager = new RoleManager<ApplicationRole>(new RoleStore<ApplicationRole>(context));

            if (!roleManager.RoleExists("Administrator"))
            {
                roleManager.Create(new ApplicationRole("Administrator"));
            }

            if (!roleManager.RoleExists("User"))
            {
                roleManager.Create(new ApplicationRole("User"));
            }

            List<ApplicationUser> users = new List<ApplicationUser>();
            ApplicationUser user1 = new ApplicationUser { UserName = "[email protected]", Email = "[email protected]", FirstName = "Administrator", LastName = "Administrator", IsApproved = true };
            ApplicationUser user2 = new ApplicationUser { UserName = "[email protected]", Email = "[email protected]", FirstName = "User", LastName = "User", IsApproved = true };
            users.Add(user1);
            users.Add(user2);

            SeedDefaultUser(context, user1, "Administrator");
            SeedDefaultUser(context, user2, "User");

            //http://stackoverflow.com/questions/20470623/asp-net-mvc-asp-net-identity-seeding-roles-and-users
            //http://stackoverflow.com/questions/19280527/mvc5-seed-users-and-roles
            //http://stackoverflow.com/questions/19745286/asp-net-identity-db-seed
        }

        public async Task<ActionResult> Create(UserRoles role)
        {
            if (ModelState.IsValid)
            {
                // Create a RoleStore object by using the ApplicationDbContext object. 
                // The RoleStore is only allowed to contain IdentityRole objects. 
                var roleStore = new RoleStore<IdentityRole>(context);
                // Create a RoleManager object that is only allowed to contain IdentityRole objects. 
                // When creating the RoleManager object, you pass in (as a parameter) a new RoleStore object. 
                var roleMgr = new RoleManager<IdentityRole>(roleStore);
                // Then, you create the "Administrator" role if it doesn't already exist.
                if (!roleMgr.RoleExists(role.RoleName))
                {
                    IdRoleResult = roleMgr.Create(new IdentityRole(role.RoleName));
                    if (IdRoleResult.Succeeded)
                    { // Handle the error condition if there's a problem creating the RoleManager object. 
                        ViewBag.StatusMessage = "Role has been added Successfully";
                    }
                    else
                    {
                        ViewBag.StatusMessage = "The Role Already Exists";
                    }
                }
            }

            // If we got this far, something failed, redisplay form
            return View();
        }

 public AdminController(
     IAuthorizationService authorizationService,
     ITypeFeatureProvider typeFeatureProvider,
     ISession session,
     IStringLocalizer<AdminController> stringLocalizer,
     IHtmlLocalizer<AdminController> htmlLocalizer,
     ISiteService siteService,
     IShapeFactory shapeFactory,
     RoleManager<Role> roleManager,
     IRoleProvider roleProvider,
     INotifier notifier,
     IEnumerable<IPermissionProvider> permissionProviders
     )
 {
     TH = htmlLocalizer;
     _notifier = notifier;
     _roleProvider = roleProvider;
     _typeFeatureProvider = typeFeatureProvider;
     _permissionProviders = permissionProviders;
     _roleManager = roleManager;
     _shapeFactory = shapeFactory;
     _siteService = siteService;
     T = stringLocalizer;
     _authorizationService = authorizationService;
     _session = session;
 }

 public AuthRepository()
 {
     _ctx = new NotificacionesContext();
     var store = new UserStore<ApplicationUser>(_ctx);
     _userManager = new UserManager<ApplicationUser>(store);
     _roleManaller = new RoleManager<IdentityRole>(new RoleStore<IdentityRole>(_ctx));
 }

        public void Configuration(IAppBuilder app)
        {
            AreaRegistration.RegisterAllAreas();
            GlobalConfiguration.Configure(WebApiConfig.Register);
            RouteConfig.RegisterRoutes(RouteTable.Routes);
            MappingConfig.RegisterMapping();

            ConfigureOAuth(app);
            app.UseCors(CorsOptions.AllowAll);

            UserManagerFactory = () =>
            {
                var usermanager =
                    new UserManager<IdentityEmployee>(new UserStore<IdentityEmployee>(new IdentityContext()));

                usermanager.UserValidator = new UserValidator<IdentityEmployee>(usermanager)
                {
                    AllowOnlyAlphanumericUserNames = false
                };

                return usermanager;
            };
            RoleManagerFactory = () =>
            {
                var rolemanager = new RoleManager<IdentityRole>(new RoleStore<IdentityRole>(new IdentityContext()));
                return rolemanager;
            };
        }

        protected void Application_Start()
        {
            AreaRegistration.RegisterAllAreas();
            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
            RouteConfig.RegisterRoutes(RouteTable.Routes);
            BundleConfig.RegisterBundles(BundleTable.Bundles);

            // Tạo role sẵn
            var roleManager = new RoleManager<IdentityRole>(new RoleStore<IdentityRole>(new ApplicationDbContext()));

            List<string> roleNameList = new List<string> { "Admin"
                                                         , "Designer"
                                                         , "Mod"
                                                         , "Uploader"
                                                         , "Subteam"
                                                         , "Subber"
                                                         , "VIP"
                                                         , "Member" };
            foreach (string roleName in roleNameList)
            {
                if (!roleManager.RoleExists(roleName))
                {
                    var newRole = new IdentityRole();
                    newRole.Name = roleName;
                    roleManager.Create(newRole);
                }
            }
        }