【发布时间】：2015-11-04 13:31:57
【问题描述】：
我正在使用 Asp.Net MVC 5 创建一个简单的登录表单。一切都很好，但是当我在提供用户 ID 和密码后单击提交按钮时，视图不会返回到所需的控制器操作 (LogIn)。这是行动：
[HttpPost]
public ActionResult LogIn(User user)
{
var auth_user = CheckAuthentication(user);
if(auth_user!=null)
{
Session["user"] = new User() { UserId = user.UserId, Name = user.Name };
return RedirectToAction("Index", "User");
}
return View();
}
[AllowAnonymous]
public ActionResult LogIn()
{
return View();
}
和视图：
@model FinancialManagement.Models.User
@{
ViewBag.Title = "LogIn";
}
<h2>LogIn</h2>
@using (Html.BeginForm("LogIn", "User", FormMethod.Post))
{
@Html.AntiForgeryToken()
<div class="form-horizontal">
<h4>User</h4>
<hr />
@Html.ValidationSummary(true)
<div class="form-group">
@Html.LabelFor(model => model.UserId, new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.UserId)
@Html.ValidationMessageFor(model => model.UserId)
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Password, new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.Password)
@Html.ValidationMessageFor(model => model.Password)
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" value="Log In" class="btn btn-default" />
</div>
</div>
</div>
}
<div>
@Html.ActionLink("Back to List", "Index")
</div>
@section Scripts {
@Scripts.Render("~/bundles/jqueryval")
}
这是我完整的用户控制器：
[Authorize]
public class UserController : Controller
{
private FinancialManagmentEntities db = new FinancialManagmentEntities();
// GET: /User/
public ActionResult Index()
{
return View(db.Users.ToList());
}
// GET: /User/Details/5
public ActionResult Details(string id)
{
if (id == null)
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
User user = db.Users.Find(id);
if (user == null)
{
return HttpNotFound();
}
return View(user);
}
// GET: /User/Create
[AllowAnonymous]
public ActionResult Create()
{
return View();
}
// POST: /User/Create
// To protect from overposting attacks, please enable the specific properties you want to bind to, for
// more details see http://go.microsoft.com/fwlink/?LinkId=317598.
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Create(User user)
{
if (ModelState.IsValid)
{
db.Users.Add(user);
db.SaveChanges();
return RedirectToAction("Index");
}
return View(user);
}
ActionResult LogOut()
{
FormsAuthentication.SignOut();
return RedirectToAction("Index", "Home");
}
User CheckAuthentication(User user)
{
return db.Users.Where(u => u.UserId == user.UserId && u.Password == user.Password).FirstOrDefault();
}
[HttpPost]
[ValidateAntiForgeryToken]
[AllowAnonymous]
public ActionResult LogIn(User user)
{
var auth_user = CheckAuthentication(user);
if(auth_user!=null)
{
Session["user"] = new User() { UserId = user.UserId, Name = user.Name };
return RedirectToAction("Index", "User");
}
return View();
}
[AllowAnonymous]
public ActionResult LogIn()
{
return View();
}
public ActionResult Edit(string id)
{
if (id == null)
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
User user = db.Users.Find(id);
if (user == null)
{
return HttpNotFound();
}
return View(user);
}
// POST: /User/Edit/5
// To protect from overposting attacks, please enable the specific properties you want to bind to, for
// more details see http://go.microsoft.com/fwlink/?LinkId=317598.
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Edit([Bind(Include="UserId,Name,Password")] User user)
{
if (ModelState.IsValid)
{
db.Entry(user).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Index");
}
return View(user);
}
// GET: /User/Delete/5
public ActionResult Delete(string id)
{
if (id == null)
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
User user = db.Users.Find(id);
if (user == null)
{
return HttpNotFound();
}
return View(user);
}
// POST: /User/Delete/5
[HttpPost, ActionName("Delete")]
[ValidateAntiForgeryToken]
public ActionResult DeleteConfirmed(string id)
{
User user = db.Users.Find(id);
db.Users.Remove(user);
db.SaveChanges();
return RedirectToAction("Index");
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
db.Dispose();
}
base.Dispose(disposing);
}
}
【问题讨论】：
-
您的控制器名称是什么？您说“不会回到所需的控制器动作”，您的意思是它会转到其他控制器/动作，点击提交后到底发生了什么？它是否停留在同一页面上？还要检查浏览器控制台中是否有客户端错误。
-
控制器名称为'User'，与调用视图的位置相同
-
那么您是否检查了一个断点以查看是否找到了用户？从您发布的代码中，如果用户找不到相同的视图，则会刷新。因此，当找不到用户时，将您收到的
user模型传回以查看。 -
您的视图中的类型是否正确，您有“FinancialManagement.Models.User”是我猜您控制器中的用户是身份用户类型
-
您显示的代码将在您提交表单时点击
Login()post 方法。但它永远不会转到Index()方法（或任何其他标有[Authorize]的方法，因为LogIn()方法中的代码没有授权用户。并且以纯文本形式存储密码是一种可怕的做法！
标签： asp.net-mvc asp.net-mvc-3 asp.net-mvc-4 razor