没关系，我发现这个有用的链接显示我想要的东西：

https://github.com/rustd/AspnetIdentitySample/blob/master/AspnetIdentitySample/App_Start/IdentityConfig.cs

我在Configuration类的seed()方法中执行此Configuration如下所示：

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 protected override void Seed(AuthContext context) { const string userName = "AdminUserName"; const string password = "AdminPassword"; const string roleName = "AdminRole"; const string phoneNumber = "PhoneNumber"; var appUserStore = new UserStore(context); var appUserManager = new UserManager(appUserStore); var appRoleManager = new ApplicationRoleManager(new RoleStore(context)); try { var user = context.Users.SingleOrDefault(u => u.UserName == userName); var role = context.Roles.SingleOrDefault(r => r.Name == roleName); if (role == null) { appRoleManager.CreateAsync(new IdentityRole(roleName)).Wait(); role = context.Roles.SingleOrDefault(r => r.Name == roleName); } if (user == null) { appUserManager.CreateAsync(new ApplicationUser { UserName = userName, PhoneNumber = phoneNumber}, password).Wait(); user = context.Users.SingleOrDefault(u => u.UserName == nationalCode); } var userRole = user.Roles.SingleOrDefault(r => r.RoleId == role.Id); if (userRole == null) { appUserManager.AddToRoleAsync(user.Id, roleName).Wait(); } } catch (Exception ex) { // Error catched! } }