public ActionResult Index(User user, string returnUrl)
{
if (ModelState.IsValid && CheckUser(user))
{
FormsAuthentication.SetAuthCookie(user.UserId, false);
return RedirectToLocal(returnUrl);
}
// 如果我们进行到这一步时某个地方出错，则重新显示表单
ModelState.AddModelError("", "提供的用户名或密码不正确。");
return View(user);
}
private bool CheckUser(User user)
{
return ctx.Users.Where(u => u.UserId == user.UserId
&& u.Password == user.Password).Any();
}
