public ActionResult Login(LoginInfo loginInfo, string returnUrl = "")
{
if (!ModelState.IsValid)
{
return View();
}
if (Membership.ValidateUser(loginInfo.UserName, loginInfo.Password))
{
FormsAuthentication.SetAuthCookie(loginInfo.UserName, false);
if (string.IsNullOrEmpty(returnUrl))
{
return Redirect("/");
}
return Redirect(returnUrl);
}
else
{
//这段代码为了演示“自动化”异常处理
if (Membership.FindUsersByName(loginInfo.UserName).Count == 0)
{
throw new InvalidUserNameException("Specified user account does not exists!");
}
throw new InvalidPasswordException("Specified password is incorrect!");
}
}
/// <summary>
/// 用于处理从Action方法Login中抛出的异常
/// </summary>
/// <remarks>
/// 1、Login页面会被呈现
/// 2、输入的用户名会显示在用户名文本框中
/// 3、错误信息会显示在ValidationSummary中
/// </remarks>
public ActionResult OnLoginError(LoginInfo loginInfo)
{
return View(loginInfo);
}