public class ApplicationContext : DbContext
    {
        public DbSet<User> Users { get; set; }

        public ApplicationContext()
            : base("ApplicationConnection")
        {
            //Database.Create();
            Database.SetInitializer(new SystemInitializer());
        }
    }

    public class SystemInitializer : DropCreateDatabaseIfModelChanges<ApplicationContext>
    {
        protected override void Seed(ApplicationContext context)
        {
            var user = new User()
            {
                UserName="admin",
                DisplayName="系统管理员",
                Password = "admin",
                Email="admintest@126.com"
            };
            context.Users.Add(user);
        }
    }