我正在制作一个MVC在线网络购物应用,所以在购物车页面之后我有ProcessStepOne
动作,用户应在其中填充他的数据。
[Authentication]
public ActionResult ProcessStepOne()
{
ProcessOrderViewModel model = GetOrderData();
return View("ProcessOrderStepOne", model);
}
private ProcessOrderViewModel GetOrderData()
{
ProcessOrderViewModel model = (ProcessOrderViewModel)Session["Process"];
if(model==null)
{
model = new ProcessOrderViewModel();
}
return model;
}
我的ProcessOrderViewModel
模型是:
public class ProcessOrderViewModel
{
public ProcessOrderViewModel()
{
this.PrivateIndividualData = new PrivateIndividualModel();
this.OrderDiscoutPrice = new OrderDiscountPriceModel();
}
public PrivateIndividualModel PrivateIndividualData { get; set; }
public OrderDiscountPriceModel OrderDiscoutPrice { get; set; }
}
我的观点ProcessOrderStepOne
是:
@model ProcessOrderViewModel
<form id="formOrderData" method="post" action="@Url.Action("ProcessStepTwo")">
<div class="row">
<div class="col-xs-12 col-sm-6">
<div class="form-group">
<label> First Name </label>
@Html.TextBoxFor(x => x.PrivateIndividualData.FirstName, new { @class = "form-control" })
@Html.ValidationMessageFor(x => x.PrivateIndividualData.FirstName)
</div>
</div>
<div class="col-xs-12 col-sm-6">
<div class="form-group">
<label> Last Name </label>
@Html.TextBoxFor(x => x.PrivateIndividualData.Family, new { @class = "form-control" })
@Html.ValidationMessageFor(x => x.PrivateIndividualData.Family)
</div>
</div>
<div class="col-xs-12 col-sm-6">
<div class="form-group">
<label>Email</label>
@Html.TextBoxFor(x => x.PrivateIndividualData.Email, new { @class = "form-control" })
@Html.ValidationMessageFor(x => x.PrivateIndividualData.Email)
</div>
</div>
<div class="col-xs-12 col-sm-6">
<div class="form-group">
<label for="tel">@StringResources.GetResourceString("UserManagement", "Register_PhoneLabel")</label>
@Html.TextBoxFor(x => x.PrivateIndividualData.Telephone, new { @class = "form-control" })
@Html.ValidationMessageFor(x => x.PrivateIndividualData.Telephone)
</div>
</div>
</div>
</form>
所以,我的第二步是检查用户输入的值,然后显示他进行验证。如果一切正常,我会将数据保存在会话中,以便用户可以返回上一个ProcessStepOne
操作或继续执行MakeOrder
操作。
public ActionResult ProcessStepTwo(ProcessOrderViewModel model)
{
if (ModelState.IsValid)
{
Session["Process"] = model;
return View("ProcessOrderStepTwo", model);
}
return View("ProcessOrderStepOne", model);
}
观点是:
@model ProcessOrderViewModel
<section class="form-section">
<p>
<a href='@Url.Action("ProcessStepOne")'>CHANGE</a>
<span class="text-semibold">Name:</span> @Model.PrivateIndividualData.FirstName <br>
<span class="text-semibold">Last Name:</span> @Model.PrivateIndividualData.Family <br>
<span class="text-semibold">E-mail:</span> @Model.PrivateIndividualData.Email<br>
<span class="text-semibold">Телефон:</span>@Model.PrivateIndividualData.Telephone <br>
</p>
</section>
<a href='@Url.Action("MakeOrder")'>PROCEED TO MAKE ORDER</a>
而且,这是我从会话中获取数据的最后一个操作:
public ActionResult MakeOrder()
{
var data = (ProcessOrderViewModel)System.Web.HttpContext.Current.Session["Process"];
// make order with this data
return View("Thank You");
}
所以我的问题是:在MakeOrder
操作中,我只是从会话中获取模型而不进行任何验证。如何再次验证它,并且正确地将数据存储在会话中,以便我可以返回进行修改或继续进行订购。这是正确的做法,因为我无法想到另一种方式。
答案 0 :(得分:1)
在MakeOrder操作中,我只是从会话中获取模型而不进行任何验证。我该如何再次验证它?
您可以在控制器中使用TryValidateModel,在从Session中检索模型后重新验证模型。但是,从我的测试来看,这个方法似乎只验证了模型中的一个深度。考虑到这一点,您的代码将类似于以下内容:
public ActionResult MakeOrder()
{
var data = (ProcessOrderViewModel)System.Web.HttpContext.Current.Session["Process"];
bool individualDataValid = TryValidateModel(data.PrivateIndividualData);
bool discountDataValid = TryValidateModel(data.OrderDiscoutPrice);
if (individualDataValid && discountDataValid)
{
// make order with this data
return View("Thank You");
}
//Error condition
return View("Error");
}
将数据存储在会话中是否正确,以便我可以返回进行修改或继续进行订购。这是正确的做法,因为我想不出另一种方式。
就个人而言,如果可以,我会避免使用Session。但是,我认为像你这样的“购物篮”要求是完全合理的。我要说的是,从维护和测试的角度来看,如果为Session访问创建包装器对象可能会更好。请参阅Session variables in ASP.NET MVC。
这有以下好处: