作为 MVC 和淘汰赛的新手，我需要一点帮助。我正在尝试将一些 JSON 结果（作为字符串）发布到我的控制器，然后让控制器 RedirectToAction 到新的视图和操作。
问题：即使 RedirectToAction 被击中，控制器也总是返回相同的视图。
（它通过重定向代码，然后在最后回到发布视图。）我不得不实施“下一步”操作，这有点尴尬。
另外：隐藏字段是发布帖子时存储/传递 ID 的最佳方式吗？
看法
@model WebRole.Website.Models.Registration3Model
@{
ViewBag.Title = "Step 3: Adding Members";
}
@using (Html.BeginForm())
{
<input name="GroupID" id="GroupID" type="hidden" value="@ViewData["GroupID"]" />
<div id="Div1">
<div class="5grid-layout">
<div class="row">
<div class="8u mobileUI-main-content">
<!-- Content -->
<div id="content">
<br />
<!-- Article -->
<article class="featured">
<header>
<h2>Registration</h2>
<span class="byline"></span>
</header>
</article>
<!-- Section -->
<div class="5grid grid-spaced">
<div class="row">
<section class="do-6u">
<h2>Step 3.</h2>
<p>
You can add members to your group/family by selecting how the members will be notified (ex. Email, Cellphone) and the address/phone # of the member.
</p>
<p />
<div id='contactsList'>
<table class='contactsEditor'>
<tbody data-bind="foreach: contacts">
<tr>
<td>
<input type="radio" value="Email" data-bind="checked: contactType" />E-mail
<input type="radio" value="Voice" data-bind="checked: contactType" />Voice
<input type="radio" value="SMS" data-bind="checked: contactType" />SMS
</td>
<td>
<input data-bind='value: contactValue' size="40" />
<a href='#' data-bind='click: $root.removeContact'>Remove</a>
</td>
</tr>
</tbody>
</table>
<input type="hidden" data-bind='value: lastSavedJson' />
<a href='#' data-bind='click: addContact'>Add </a>
</div>
<p />
<p>
<button name="button" value="AddNewMember" data-bind='click: save, enable: contacts().length > 0'>Invite</button>
<button name="button" value="Next">Finish</button>
</p>
</section>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
}
<script type="text/javascript">
var initialData = [
{
contactValue: "",
contactType: ""
}
];
var ContactsModel = function (contacts) {
var self = this;
self.contacts = ko.observableArray(ko.utils.arrayMap(contacts, function (contact) {
return { contactValue: contact.firstName, contactType: contact.contactType };
}));
self.addContact = function () {
self.contacts.push({
contactValue: "",
contactType: ""
});
};
self.removeContact = function (contact) {
self.contacts.remove(contact);
};
self.save = function () {
self.lastSavedJson(JSON.stringify(ko.toJS(self.contacts), null, 2));
var s = document.getElementById("GroupID").value
$.ajax({
url: "/Home/Add/",
type: "POST",
data: { jsonString: JSON.stringify(ko.toJS(self.contacts)), groupID: s },
success: function (result) {
},
error: function (jqXHR, textStatus, errorThrown) {
var errorMessage = '';
$('#message').html(jqXHR.responseText);
}
});
};
self.lastSavedJson = ko.observable("")
};
ko.applyBindings(new ContactsModel(initialData));
</script>
模型：
public class Registration3Model
{
public string GroupID { get; set; }
// Success Message
public string SuccessMessage { get; set; }
public string jsonString { get; set; }
}
public class Registration4Model
{
public string GroupID { get; set; }
public Group SelectedGroup { get; set; }
public Person Owner { get; set; }
public List<ContactInfo> GroupContacts { get; set; }
// Success Message
public string SuccessMessage { get; set; }
}
控制器：
public class HomeController : Controller
{
public class JsonCatch
{
public string groupID { get; set; }
public string contactType { get; set; }
public string contactValue { get; set; }
}
[AllowAnonymous]
public ActionResult Registration3(Registration3Model model)
{
ViewData["GroupID"] = model.GroupID;
return View("Registration3", model);
}
[HttpPost]
[ActionName("Add")]
[AllowAnonymous]
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Add(string jsonString, string GroupID)
{
string s =GroupID;
List<JsonCatch> j = JsonConvert.DeserializeObject<List<JsonCatch>>(jsonString);
foreach (JsonCatch c in j)
{
if (s != "")
{
// for member 1
// 1. Add Person
Person p = new Person();
p.LastName = "";
p.FirstName = "";
p.PersonID = Guid.NewGuid();
p.RowKey = p.PersonID.ToString();
p.PartitionKey = "";
p.Image = string.Format("../../Assets/Images/People/pic{0}.png", new Random().Next(1, 12));
this.GetContext().InsertPerson(p);
// 2. Add GroupMember
GroupMember gm = new GroupMember();
gm.RowKey = p.RowKey.ToString();
gm.PartitionKey = s;
gm.GroupMemberID = Guid.NewGuid();
gm.TrustLevel = "Readonly";
this.GetContext().InsertGroupMember(gm);
// 3. Add ContactInfo
ContactInfo ci = new ContactInfo();
ci.PartitionKey = p.RowKey;
ci.ContactInfoID = Guid.NewGuid();
ci.RowKey = ci.ContactInfoID.ToString();
ci.Type = c.contactType;
ci.Value = c.contactValue;
ci.UseToNotify = true;
this.GetContext().InsertContactInfo(ci);
// 4. Add Notification
Notification n = new Notification();
n.PartitionKey = "Invitation";
n.NotificationID = Guid.NewGuid();
n.RowKey = n.NotificationID.ToString();
n.ContactType = c.contactType;
n.ContactInfoValue = c.contactValue;
n.NotificationType = "Invitation";
n.PersonRowKey = p.RowKey;
n.GroupRowKey = s;
this.GetContext().InsertNotification(n);
}
}
return View("Registration4", new { GroupID = s });
}
[AllowAnonymous]
public ActionResult Registration4(Registration4Model model)
{
model.SelectedGroup = this.GetContext().GetGroup(model.GroupID);
model.GroupContacts = model.SelectedGroup.GetContactInfoes(this.GetContext());
model.Owner = model.SelectedGroup.GetOwner(this.GetContext());
return View(model);
}
[HttpPost]
[AllowAnonymous]
[AcceptVerbs(HttpVerbs.Post)]
[ActionName("Registration3")]
[AcceptParameter(Name = "button", Value = "Next")]
public ActionResult Registration3_Next(Registration4Model model)
{
return RedirectToAction("Registration4", new { GroupID = model.GroupID });
}
[HttpPost]
[AllowAnonymous]
[AcceptVerbs(HttpVerbs.Post)]
[ActionName("Registration4")]
[AcceptParameter(Name = "button", Value = "Continue")]
public ActionResult Registration4_Continue(Registration4Model model)
{
return Redirect("~/AnotherWebsite.aspx");
}
#endregion
}
public class AcceptParameterAttribute : ActionMethodSelectorAttribute
{
public string Name { get; set; }
public string Value { get; set; }
public override bool IsValidForRequest(ControllerContext controllerContext, MethodInfo methodInfo)
{
var req = controllerContext.RequestContext.HttpContext.Request;
return req.Form[this.Name] == this.Value;
}
}