C# MVC INSERT语句与外键约束冲突
当我试图在create.cshtml上创建票证时,它会给我这个错误。我想这是因为我的分类使用了使用ViewBags的下拉列表,而我的用户和管理员下拉列表没有 INSERT语句与外键约束冲突 “FK_dbo.票证_dbo.类别_CategoryID”。冲突发生在 数据库“RecreationalServicesTicketingSystem.DAL.IssueContext”,表 “dbo.Category”,列“CategoryID”。声明已被修改 终止 TicketController.csC# MVC INSERT语句与外键约束冲突,c#,asp.net-mvc,entity-framework,C#,Asp.net Mvc,Entity Framework,当我试图在create.cshtml上创建票证时,它会给我这个错误。我想这是因为我的分类使用了使用ViewBags的下拉列表,而我的用户和管理员下拉列表没有 INSERT语句与外键约束冲突 “FK_dbo.票证_dbo.类别_CategoryID”。冲突发生在 数据库“RecreationalServicesTicketingSystem.DAL.IssueContext”,表 “dbo.Category”,列“CategoryID”。声明已被修改 终止 TicketController.c
public class TicketController : Controller
{
private IssueContext db = new IssueContext();
public ActionResult Create()
{
TicketVM model = new TicketVM();
ConfigureViewModel(model);
ViewBag.CategoryID = new SelectList(db.Categories, "CategoryID", "CategoryName");
ViewBag.AllUsers = db.Users.ToList().Select(u => new SelectListItem() { Value = u.UserID.ToString(), Text = string.Format("{0} {1}", u.FirstMidName, u.LastName) });
return View(model);
}
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Create(TicketVM model)
{
if (!ModelState.IsValid)
{
ConfigureViewModel(model);
return View(model);
}
Ticket ticket = new Ticket
{
Issue = model.Issue,
IssuedTo = model.IssuedTo
};
if (ModelState.IsValid)
{
db.Tickets.Add(ticket);
ERROR------> db.SaveChanges(); <------ ERROR
return View();
}
ViewBag.CategoryID = new SelectList(db.Categories, "CategoryID", "CategoryName", ticket.CategoryID);
ViewBag.AllUsers = db.Users.ToList().Select(u => new SelectListItem() { Value = u.UserID.ToString(), Text = string.Format("{0} {1}", u.FirstMidName, u.LastName) });
ViewBag.AllAdmins = db.Users.Where(u => u.IsAdministrator).Include(u => u.Tickets);
return View(ticket);
}
private void ConfigureViewModel(TicketVM model)
{
IEnumerable<User> admins = db.Users.Where(u => u.IsAdministrator).OrderBy(u => u.LastName);
model.AdministratorList = admins.Select(a => new SelectListItem
{
Value = a.UserID.ToString(),
Text = string.Format("{0} {1}", a.FirstMidName, a.LastName)
});
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Transactions;
using System.Web;
using System.Web.Mvc;
using System.Web.Security;
using DotNetOpenAuth.AspNet;
using Microsoft.Web.WebPages.OAuth;
using WebMatrix.WebData;
using RecreationalServicesTicketingSystem.Filters;
using RecreationalServicesTicketingSystem.Models;
namespace RecreationalServicesTicketingSystem.Controllers
{
[Authorize]
[InitializeSimpleMembership]
public class AccountController : Controller
{
//
// GET: /Account/Login
[AllowAnonymous]
public ActionResult Login(string returnUrl)
{
ViewBag.ReturnUrl = returnUrl;
return View();
}
//
// POST: /Account/Login
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult Login(LoginModel model, string returnUrl)
{
if (ModelState.IsValid && WebSecurity.Login(model.UserName, model.Password, persistCookie: model.RememberMe))
{
return RedirectToLocal(returnUrl);
}
// If we got this far, something failed, redisplay form
ModelState.AddModelError("", "The user name or password provided is incorrect.");
return View(model);
}
//
// POST: /Account/LogOff
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult LogOff()
{
WebSecurity.Logout();
return RedirectToAction("Index", "Home");
}
//
// GET: /Account/Register
[AllowAnonymous]
public ActionResult Register()
{
return View();
}
//
// POST: /Account/Register
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult Register(RegisterModel model)
{
if (ModelState.IsValid)
{
// Attempt to register the user
try
{
WebSecurity.CreateUserAndAccount(model.UserName, model.Password);
WebSecurity.Login(model.UserName, model.Password);
return RedirectToAction("Index", "Home");
}
catch (MembershipCreateUserException e)
{
ModelState.AddModelError("", ErrorCodeToString(e.StatusCode));
}
}
// If we got this far, something failed, redisplay form
return View(model);
}
//
// POST: /Account/Disassociate
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Disassociate(string provider, string providerUserId)
{
string ownerAccount = OAuthWebSecurity.GetUserName(provider, providerUserId);
ManageMessageId? message = null;
// Only disassociate the account if the currently logged in user is the owner
if (ownerAccount == User.Identity.Name)
{
// Use a transaction to prevent the user from deleting their last login credential
using (var scope = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions { IsolationLevel = IsolationLevel.Serializable }))
{
bool hasLocalAccount = OAuthWebSecurity.HasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
if (hasLocalAccount || OAuthWebSecurity.GetAccountsFromUserName(User.Identity.Name).Count > 1)
{
OAuthWebSecurity.DeleteAccount(provider, providerUserId);
scope.Complete();
message = ManageMessageId.RemoveLoginSuccess;
}
}
}
return RedirectToAction("Manage", new { Message = message });
}
//
// GET: /Account/Manage
public ActionResult Manage(ManageMessageId? message)
{
ViewBag.StatusMessage =
message == ManageMessageId.ChangePasswordSuccess ? "Your password has been changed."
: message == ManageMessageId.SetPasswordSuccess ? "Your password has been set."
: message == ManageMessageId.RemoveLoginSuccess ? "The external login was removed."
: "";
ViewBag.HasLocalPassword = OAuthWebSecurity.HasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
ViewBag.ReturnUrl = Url.Action("Manage");
return View();
}
//
// POST: /Account/Manage
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Manage(LocalPasswordModel model)
{
bool hasLocalAccount = OAuthWebSecurity.HasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
ViewBag.HasLocalPassword = hasLocalAccount;
ViewBag.ReturnUrl = Url.Action("Manage");
if (hasLocalAccount)
{
if (ModelState.IsValid)
{
// ChangePassword will throw an exception rather than return false in certain failure scenarios.
bool changePasswordSucceeded;
try
{
changePasswordSucceeded = WebSecurity.ChangePassword(User.Identity.Name, model.OldPassword, model.NewPassword);
}
catch (Exception)
{
changePasswordSucceeded = false;
}
if (changePasswordSucceeded)
{
return RedirectToAction("Manage", new { Message = ManageMessageId.ChangePasswordSuccess });
}
else
{
ModelState.AddModelError("", "The current password is incorrect or the new password is invalid.");
}
}
}
else
{
// User does not have a local password so remove any validation errors caused by a missing
// OldPassword field
ModelState state = ModelState["OldPassword"];
if (state != null)
{
state.Errors.Clear();
}
if (ModelState.IsValid)
{
try
{
WebSecurity.CreateAccount(User.Identity.Name, model.NewPassword);
return RedirectToAction("Manage", new { Message = ManageMessageId.SetPasswordSuccess });
}
catch (Exception)
{
ModelState.AddModelError("", String.Format("Unable to create local account. An account with the name \"{0}\" may already exist.", User.Identity.Name));
}
}
}
// If we got this far, something failed, redisplay form
return View(model);
}
//
// POST: /Account/ExternalLogin
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult ExternalLogin(string provider, string returnUrl)
{
return new ExternalLoginResult(provider, Url.Action("ExternalLoginCallback", new { ReturnUrl = returnUrl }));
}
//
// GET: /Account/ExternalLoginCallback
[AllowAnonymous]
public ActionResult ExternalLoginCallback(string returnUrl)
{
AuthenticationResult result = OAuthWebSecurity.VerifyAuthentication(Url.Action("ExternalLoginCallback", new { ReturnUrl = returnUrl }));
if (!result.IsSuccessful)
{
return RedirectToAction("ExternalLoginFailure");
}
if (OAuthWebSecurity.Login(result.Provider, result.ProviderUserId, createPersistentCookie: false))
{
return RedirectToLocal(returnUrl);
}
if (User.Identity.IsAuthenticated)
{
// If the current user is logged in add the new account
OAuthWebSecurity.CreateOrUpdateAccount(result.Provider, result.ProviderUserId, User.Identity.Name);
return RedirectToLocal(returnUrl);
}
else
{
// User is new, ask for their desired membership name
string loginData = OAuthWebSecurity.SerializeProviderUserId(result.Provider, result.ProviderUserId);
ViewBag.ProviderDisplayName = OAuthWebSecurity.GetOAuthClientData(result.Provider).DisplayName;
ViewBag.ReturnUrl = returnUrl;
return View("ExternalLoginConfirmation", new RegisterExternalLoginModel { UserName = result.UserName, ExternalLoginData = loginData });
}
}
//
// POST: /Account/ExternalLoginConfirmation
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult ExternalLoginConfirmation(RegisterExternalLoginModel model, string returnUrl)
{
string provider = null;
string providerUserId = null;
if (User.Identity.IsAuthenticated || !OAuthWebSecurity.TryDeserializeProviderUserId(model.ExternalLoginData, out provider, out providerUserId))
{
return RedirectToAction("Manage");
}
if (ModelState.IsValid)
{
// Insert a new user into the database
using (UsersContext db = new UsersContext())
{
UserProfile user = db.UserProfiles.FirstOrDefault(u => u.UserName.ToLower() == model.UserName.ToLower());
// Check if user already exists
if (user == null)
{
// Insert name into the profile table
db.UserProfiles.Add(new UserProfile { UserName = model.UserName });
db.SaveChanges();
OAuthWebSecurity.CreateOrUpdateAccount(provider, providerUserId, model.UserName);
OAuthWebSecurity.Login(provider, providerUserId, createPersistentCookie: false);
return RedirectToLocal(returnUrl);
}
else
{
ModelState.AddModelError("UserName", "User name already exists. Please enter a different user name.");
}
}
}
ViewBag.ProviderDisplayName = OAuthWebSecurity.GetOAuthClientData(provider).DisplayName;
ViewBag.ReturnUrl = returnUrl;
return View(model);
}
//
// GET: /Account/ExternalLoginFailure
[AllowAnonymous]
public ActionResult ExternalLoginFailure()
{
return View();
}
[AllowAnonymous]
[ChildActionOnly]
public ActionResult ExternalLoginsList(string returnUrl)
{
ViewBag.ReturnUrl = returnUrl;
return PartialView("_ExternalLoginsListPartial", OAuthWebSecurity.RegisteredClientData);
}
[ChildActionOnly]
public ActionResult RemoveExternalLogins()
{
ICollection<OAuthAccount> accounts = OAuthWebSecurity.GetAccountsFromUserName(User.Identity.Name);
List<ExternalLogin> externalLogins = new List<ExternalLogin>();
foreach (OAuthAccount account in accounts)
{
AuthenticationClientData clientData = OAuthWebSecurity.GetOAuthClientData(account.Provider);
externalLogins.Add(new ExternalLogin
{
Provider = account.Provider,
ProviderDisplayName = clientData.DisplayName,
ProviderUserId = account.ProviderUserId,
});
}
ViewBag.ShowRemoveButton = externalLogins.Count > 1 || OAuthWebSecurity.HasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
return PartialView("_RemoveExternalLoginsPartial", externalLogins);
}
#region Helpers
private ActionResult RedirectToLocal(string returnUrl)
{
if (Url.IsLocalUrl(returnUrl))
{
return Redirect(returnUrl);
}
else
{
return RedirectToAction("Index", "Home");
}
}
public enum ManageMessageId
{
ChangePasswordSuccess,
SetPasswordSuccess,
RemoveLoginSuccess,
}
internal class ExternalLoginResult : ActionResult
{
public ExternalLoginResult(string provider, string returnUrl)
{
Provider = provider;
ReturnUrl = returnUrl;
}
public string Provider { get; private set; }
public string ReturnUrl { get; private set; }
public override void ExecuteResult(ControllerContext context)
{
OAuthWebSecurity.RequestAuthentication(Provider, ReturnUrl);
}
}
private static string ErrorCodeToString(MembershipCreateStatus createStatus)
{
// See http://go.microsoft.com/fwlink/?LinkID=177550 for
// a full list of status codes.
switch (createStatus)
{
case MembershipCreateStatus.DuplicateUserName:
return "User name already exists. Please enter a different user name.";
case MembershipCreateStatus.DuplicateEmail:
return "A user name for that e-mail address already exists. Please enter a different e-mail address.";
case MembershipCreateStatus.InvalidPassword:
return "The password provided is invalid. Please enter a valid password value.";
case MembershipCreateStatus.InvalidEmail:
return "The e-mail address provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.InvalidAnswer:
return "The password retrieval answer provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.InvalidQuestion:
return "The password retrieval question provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.InvalidUserName:
return "The user name provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.ProviderError:
return "The authentication provider returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
case MembershipCreateStatus.UserRejected:
return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
default:
return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
}
}
#endregion
}
}
ViewModels\TicketVM.cs
public class TicketVM
{
public int? UserID { get; set; }
[Required(ErrorMessage = "Please enter the description")]
public string Issue { get; set; }
[Display(Name = "Administrator")]
[Required(ErrorMessage = "Please select the Administrator")]
public int IssuedTo { get; set; }
public IEnumerable<SelectListItem> AdministratorList { get; set; }
public int CategoryID { get; set; }
}
public class TicketVM
{
public int?UserID{get;set;}
[必需(ErrorMessage=“请输入说明”)]
公共字符串问题{get;set;}
[显示(Name=“管理员”)]
[必需(ErrorMessage=“请选择管理员”)]
发布公共int以{get;set;}
公共IEnumerable管理员列表{get;set;}
public int CategoryID{get;set;}
}
AccountController.cs
public class TicketController : Controller
{
private IssueContext db = new IssueContext();
public ActionResult Create()
{
TicketVM model = new TicketVM();
ConfigureViewModel(model);
ViewBag.CategoryID = new SelectList(db.Categories, "CategoryID", "CategoryName");
ViewBag.AllUsers = db.Users.ToList().Select(u => new SelectListItem() { Value = u.UserID.ToString(), Text = string.Format("{0} {1}", u.FirstMidName, u.LastName) });
return View(model);
}
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Create(TicketVM model)
{
if (!ModelState.IsValid)
{
ConfigureViewModel(model);
return View(model);
}
Ticket ticket = new Ticket
{
Issue = model.Issue,
IssuedTo = model.IssuedTo
};
if (ModelState.IsValid)
{
db.Tickets.Add(ticket);
ERROR------> db.SaveChanges(); <------ ERROR
return View();
}
ViewBag.CategoryID = new SelectList(db.Categories, "CategoryID", "CategoryName", ticket.CategoryID);
ViewBag.AllUsers = db.Users.ToList().Select(u => new SelectListItem() { Value = u.UserID.ToString(), Text = string.Format("{0} {1}", u.FirstMidName, u.LastName) });
ViewBag.AllAdmins = db.Users.Where(u => u.IsAdministrator).Include(u => u.Tickets);
return View(ticket);
}
private void ConfigureViewModel(TicketVM model)
{
IEnumerable<User> admins = db.Users.Where(u => u.IsAdministrator).OrderBy(u => u.LastName);
model.AdministratorList = admins.Select(a => new SelectListItem
{
Value = a.UserID.ToString(),
Text = string.Format("{0} {1}", a.FirstMidName, a.LastName)
});
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Transactions;
using System.Web;
using System.Web.Mvc;
using System.Web.Security;
using DotNetOpenAuth.AspNet;
using Microsoft.Web.WebPages.OAuth;
using WebMatrix.WebData;
using RecreationalServicesTicketingSystem.Filters;
using RecreationalServicesTicketingSystem.Models;
namespace RecreationalServicesTicketingSystem.Controllers
{
[Authorize]
[InitializeSimpleMembership]
public class AccountController : Controller
{
//
// GET: /Account/Login
[AllowAnonymous]
public ActionResult Login(string returnUrl)
{
ViewBag.ReturnUrl = returnUrl;
return View();
}
//
// POST: /Account/Login
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult Login(LoginModel model, string returnUrl)
{
if (ModelState.IsValid && WebSecurity.Login(model.UserName, model.Password, persistCookie: model.RememberMe))
{
return RedirectToLocal(returnUrl);
}
// If we got this far, something failed, redisplay form
ModelState.AddModelError("", "The user name or password provided is incorrect.");
return View(model);
}
//
// POST: /Account/LogOff
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult LogOff()
{
WebSecurity.Logout();
return RedirectToAction("Index", "Home");
}
//
// GET: /Account/Register
[AllowAnonymous]
public ActionResult Register()
{
return View();
}
//
// POST: /Account/Register
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult Register(RegisterModel model)
{
if (ModelState.IsValid)
{
// Attempt to register the user
try
{
WebSecurity.CreateUserAndAccount(model.UserName, model.Password);
WebSecurity.Login(model.UserName, model.Password);
return RedirectToAction("Index", "Home");
}
catch (MembershipCreateUserException e)
{
ModelState.AddModelError("", ErrorCodeToString(e.StatusCode));
}
}
// If we got this far, something failed, redisplay form
return View(model);
}
//
// POST: /Account/Disassociate
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Disassociate(string provider, string providerUserId)
{
string ownerAccount = OAuthWebSecurity.GetUserName(provider, providerUserId);
ManageMessageId? message = null;
// Only disassociate the account if the currently logged in user is the owner
if (ownerAccount == User.Identity.Name)
{
// Use a transaction to prevent the user from deleting their last login credential
using (var scope = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions { IsolationLevel = IsolationLevel.Serializable }))
{
bool hasLocalAccount = OAuthWebSecurity.HasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
if (hasLocalAccount || OAuthWebSecurity.GetAccountsFromUserName(User.Identity.Name).Count > 1)
{
OAuthWebSecurity.DeleteAccount(provider, providerUserId);
scope.Complete();
message = ManageMessageId.RemoveLoginSuccess;
}
}
}
return RedirectToAction("Manage", new { Message = message });
}
//
// GET: /Account/Manage
public ActionResult Manage(ManageMessageId? message)
{
ViewBag.StatusMessage =
message == ManageMessageId.ChangePasswordSuccess ? "Your password has been changed."
: message == ManageMessageId.SetPasswordSuccess ? "Your password has been set."
: message == ManageMessageId.RemoveLoginSuccess ? "The external login was removed."
: "";
ViewBag.HasLocalPassword = OAuthWebSecurity.HasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
ViewBag.ReturnUrl = Url.Action("Manage");
return View();
}
//
// POST: /Account/Manage
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Manage(LocalPasswordModel model)
{
bool hasLocalAccount = OAuthWebSecurity.HasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
ViewBag.HasLocalPassword = hasLocalAccount;
ViewBag.ReturnUrl = Url.Action("Manage");
if (hasLocalAccount)
{
if (ModelState.IsValid)
{
// ChangePassword will throw an exception rather than return false in certain failure scenarios.
bool changePasswordSucceeded;
try
{
changePasswordSucceeded = WebSecurity.ChangePassword(User.Identity.Name, model.OldPassword, model.NewPassword);
}
catch (Exception)
{
changePasswordSucceeded = false;
}
if (changePasswordSucceeded)
{
return RedirectToAction("Manage", new { Message = ManageMessageId.ChangePasswordSuccess });
}
else
{
ModelState.AddModelError("", "The current password is incorrect or the new password is invalid.");
}
}
}
else
{
// User does not have a local password so remove any validation errors caused by a missing
// OldPassword field
ModelState state = ModelState["OldPassword"];
if (state != null)
{
state.Errors.Clear();
}
if (ModelState.IsValid)
{
try
{
WebSecurity.CreateAccount(User.Identity.Name, model.NewPassword);
return RedirectToAction("Manage", new { Message = ManageMessageId.SetPasswordSuccess });
}
catch (Exception)
{
ModelState.AddModelError("", String.Format("Unable to create local account. An account with the name \"{0}\" may already exist.", User.Identity.Name));
}
}
}
// If we got this far, something failed, redisplay form
return View(model);
}
//
// POST: /Account/ExternalLogin
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult ExternalLogin(string provider, string returnUrl)
{
return new ExternalLoginResult(provider, Url.Action("ExternalLoginCallback", new { ReturnUrl = returnUrl }));
}
//
// GET: /Account/ExternalLoginCallback
[AllowAnonymous]
public ActionResult ExternalLoginCallback(string returnUrl)
{
AuthenticationResult result = OAuthWebSecurity.VerifyAuthentication(Url.Action("ExternalLoginCallback", new { ReturnUrl = returnUrl }));
if (!result.IsSuccessful)
{
return RedirectToAction("ExternalLoginFailure");
}
if (OAuthWebSecurity.Login(result.Provider, result.ProviderUserId, createPersistentCookie: false))
{
return RedirectToLocal(returnUrl);
}
if (User.Identity.IsAuthenticated)
{
// If the current user is logged in add the new account
OAuthWebSecurity.CreateOrUpdateAccount(result.Provider, result.ProviderUserId, User.Identity.Name);
return RedirectToLocal(returnUrl);
}
else
{
// User is new, ask for their desired membership name
string loginData = OAuthWebSecurity.SerializeProviderUserId(result.Provider, result.ProviderUserId);
ViewBag.ProviderDisplayName = OAuthWebSecurity.GetOAuthClientData(result.Provider).DisplayName;
ViewBag.ReturnUrl = returnUrl;
return View("ExternalLoginConfirmation", new RegisterExternalLoginModel { UserName = result.UserName, ExternalLoginData = loginData });
}
}
//
// POST: /Account/ExternalLoginConfirmation
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult ExternalLoginConfirmation(RegisterExternalLoginModel model, string returnUrl)
{
string provider = null;
string providerUserId = null;
if (User.Identity.IsAuthenticated || !OAuthWebSecurity.TryDeserializeProviderUserId(model.ExternalLoginData, out provider, out providerUserId))
{
return RedirectToAction("Manage");
}
if (ModelState.IsValid)
{
// Insert a new user into the database
using (UsersContext db = new UsersContext())
{
UserProfile user = db.UserProfiles.FirstOrDefault(u => u.UserName.ToLower() == model.UserName.ToLower());
// Check if user already exists
if (user == null)
{
// Insert name into the profile table
db.UserProfiles.Add(new UserProfile { UserName = model.UserName });
db.SaveChanges();
OAuthWebSecurity.CreateOrUpdateAccount(provider, providerUserId, model.UserName);
OAuthWebSecurity.Login(provider, providerUserId, createPersistentCookie: false);
return RedirectToLocal(returnUrl);
}
else
{
ModelState.AddModelError("UserName", "User name already exists. Please enter a different user name.");
}
}
}
ViewBag.ProviderDisplayName = OAuthWebSecurity.GetOAuthClientData(provider).DisplayName;
ViewBag.ReturnUrl = returnUrl;
return View(model);
}
//
// GET: /Account/ExternalLoginFailure
[AllowAnonymous]
public ActionResult ExternalLoginFailure()
{
return View();
}
[AllowAnonymous]
[ChildActionOnly]
public ActionResult ExternalLoginsList(string returnUrl)
{
ViewBag.ReturnUrl = returnUrl;
return PartialView("_ExternalLoginsListPartial", OAuthWebSecurity.RegisteredClientData);
}
[ChildActionOnly]
public ActionResult RemoveExternalLogins()
{
ICollection<OAuthAccount> accounts = OAuthWebSecurity.GetAccountsFromUserName(User.Identity.Name);
List<ExternalLogin> externalLogins = new List<ExternalLogin>();
foreach (OAuthAccount account in accounts)
{
AuthenticationClientData clientData = OAuthWebSecurity.GetOAuthClientData(account.Provider);
externalLogins.Add(new ExternalLogin
{
Provider = account.Provider,
ProviderDisplayName = clientData.DisplayName,
ProviderUserId = account.ProviderUserId,
});
}
ViewBag.ShowRemoveButton = externalLogins.Count > 1 || OAuthWebSecurity.HasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
return PartialView("_RemoveExternalLoginsPartial", externalLogins);
}
#region Helpers
private ActionResult RedirectToLocal(string returnUrl)
{
if (Url.IsLocalUrl(returnUrl))
{
return Redirect(returnUrl);
}
else
{
return RedirectToAction("Index", "Home");
}
}
public enum ManageMessageId
{
ChangePasswordSuccess,
SetPasswordSuccess,
RemoveLoginSuccess,
}
internal class ExternalLoginResult : ActionResult
{
public ExternalLoginResult(string provider, string returnUrl)
{
Provider = provider;
ReturnUrl = returnUrl;
}
public string Provider { get; private set; }
public string ReturnUrl { get; private set; }
public override void ExecuteResult(ControllerContext context)
{
OAuthWebSecurity.RequestAuthentication(Provider, ReturnUrl);
}
}
private static string ErrorCodeToString(MembershipCreateStatus createStatus)
{
// See http://go.microsoft.com/fwlink/?LinkID=177550 for
// a full list of status codes.
switch (createStatus)
{
case MembershipCreateStatus.DuplicateUserName:
return "User name already exists. Please enter a different user name.";
case MembershipCreateStatus.DuplicateEmail:
return "A user name for that e-mail address already exists. Please enter a different e-mail address.";
case MembershipCreateStatus.InvalidPassword:
return "The password provided is invalid. Please enter a valid password value.";
case MembershipCreateStatus.InvalidEmail:
return "The e-mail address provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.InvalidAnswer:
return "The password retrieval answer provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.InvalidQuestion:
return "The password retrieval question provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.InvalidUserName:
return "The user name provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.ProviderError:
return "The authentication provider returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
case MembershipCreateStatus.UserRejected:
return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
default:
return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
}
}
#endregion
}
}
使用系统;
使用System.Collections.Generic;
使用System.Linq;
使用系统事务;
使用System.Web;
使用System.Web.Mvc;
使用System.Web.Security;
使用DotNetOpenAuth.AspNet;
使用Microsoft.Web.WebPages.OAuth;
使用WebMatrix.WebData;
使用RecreationalServicesTicketingSystem.Filters;
使用娱乐服务粘贴系统。模型;
命名空间RecreationalServicesTicketingSystem.Controller
{
[授权]
[姓名首字母缩写SampleMembership]
公共类AccountController:控制器
{
//
//获取:/Account/登录
[异名]
公共操作结果登录(字符串返回URL)
{
ViewBag.ReturnUrl=返回URL;
返回视图();
}
//
//POST:/帐户/登录
[HttpPost]
[异名]
[ValidateAntiForgeryToken]
公共操作结果登录(LoginModel模型,字符串返回URL)
{
if(ModelState.IsValid&&WebSecurity.Login(model.UserName、model.Password、persistCookie:model.RememberMe))
{
返回重定向到本地(returnUrl);
}
//如果我们走到这一步,有些东西失败了,重新显示形式
AddModelError(“,”提供的用户名或密码不正确。“);
返回视图(模型);
}
//
//POST:/帐户/注销
[HttpPost]
[ValidateAntiForgeryToken]
公共行动结果注销()
{
WebSecurity.Logout();
返回重定向到操作(“索引”、“主页”);
}
//
//获取:/Account/注册
[异名]
公众行动结果登记册()
{
返回视图();
}
//
//职位:/Account/Register
[HttpPost]
[异名]
[ValidateAntiForgeryToken]
公共操作结果寄存器(RegisterModel模型)
{
if(ModelState.IsValid)
{
//尝试注册用户
尝试
{
WebSecurity.CreateUserAndAccount(model.UserName、model.Password);
WebSecurity.Login(model.UserName、model.Password);
返回重定向到操作(“索引”、“主页”);
}
捕获(MembershipCreateUserException e)
{
AddModelError(“,ErrorCodeToString(例如StatusCode));
}
}
//如果我们走到这一步,有些东西失败了,重新显示形式
返回视图(模型);
}
//
//POST:/Account/解除关联
[HttpPost]
[ValidateAntiForgeryToken]
公共操作结果解除关联(字符串提供程序、字符串提供程序用户ID)
{
string ownerAccount=OAuthWebSecurity.GetUserName(提供者,提供者用户ID);
ManageMessageId?消息=null;
//仅当当前登录的用户是所有者时才解除帐户关联
if(ownerAccount==User.Identity.Name)
{
//使用事务防止用户删除其上次登录凭据
使用(var scope=newtransactionscope(TransactionScopeOption.Required,newtransactionoptions{IsolationLevel=IsolationLevel.Serializable}))
{
bool hasLocalAccount=OAuthWebSecurity.hasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
if(hasLocalAccount | | OAuthWebSecurity.GetAccountsFromUserName(User.Identity.Name).Count>1)
{
OAuthWebSecurity.DeleteAccount(提供者、提供者用户ID);
scope.Complete();
message=ManageMessageId.RemoveLoginSuccess;
}
}
}
返回RedirectToAction(“Manage”,new{Message=Message});
}
//
//获取:/Account/Manage
公共操作结果管理(ManageMessageId?消息)
{
ViewBag.StatusMessage=
message==ManageMessageId.ChangePasswordSuccess?“您的密码已更改。”
:message==ManageMessageId.SetPasswordSuccess?“您的密码已设置。”
:message==ManageMessageId.RemoveLoginSuccess?“已删除外部登录名。”
: "";
ViewBag.HasLocalPassword=OAuthWebSecurity.HasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
ViewBag.ReturnUrl=Url.Action(“管理”);
返回视图();
}
//
//职位:/Account/Manage
[HttpPost]
[ValidateAntiForgeryToken]
公共操作结果管理(LocalPasswordModel模型)
{
bool hasLocalAccount=OAuthWebSecurity.hasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
using System;
using System.Collections.Generic;
using System.Linq;
using System.Transactions;
using System.Web;
using System.Web.Mvc;
using System.Web.Security;
using DotNetOpenAuth.AspNet;
using Microsoft.Web.WebPages.OAuth;
using WebMatrix.WebData;
using RecreationalServicesTicketingSystem.Filters;
using RecreationalServicesTicketingSystem.Models;
namespace RecreationalServicesTicketingSystem.Controllers
{
[Authorize]
[InitializeSimpleMembership]
public class AccountController : Controller
{
//
// GET: /Account/Login
[AllowAnonymous]
public ActionResult Login(string returnUrl)
{
ViewBag.ReturnUrl = returnUrl;
return View();
}
//
// POST: /Account/Login
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult Login(LoginModel model, string returnUrl)
{
if (ModelState.IsValid && WebSecurity.Login(model.UserName, model.Password, persistCookie: model.RememberMe))
{
return RedirectToLocal(returnUrl);
}
// If we got this far, something failed, redisplay form
ModelState.AddModelError("", "The user name or password provided is incorrect.");
return View(model);
}
//
// POST: /Account/LogOff
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult LogOff()
{
WebSecurity.Logout();
return RedirectToAction("Index", "Home");
}
//
// GET: /Account/Register
[AllowAnonymous]
public ActionResult Register()
{
return View();
}
//
// POST: /Account/Register
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult Register(RegisterModel model)
{
if (ModelState.IsValid)
{
// Attempt to register the user
try
{
WebSecurity.CreateUserAndAccount(model.UserName, model.Password);
WebSecurity.Login(model.UserName, model.Password);
return RedirectToAction("Index", "Home");
}
catch (MembershipCreateUserException e)
{
ModelState.AddModelError("", ErrorCodeToString(e.StatusCode));
}
}
// If we got this far, something failed, redisplay form
return View(model);
}
//
// POST: /Account/Disassociate
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Disassociate(string provider, string providerUserId)
{
string ownerAccount = OAuthWebSecurity.GetUserName(provider, providerUserId);
ManageMessageId? message = null;
// Only disassociate the account if the currently logged in user is the owner
if (ownerAccount == User.Identity.Name)
{
// Use a transaction to prevent the user from deleting their last login credential
using (var scope = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions { IsolationLevel = IsolationLevel.Serializable }))
{
bool hasLocalAccount = OAuthWebSecurity.HasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
if (hasLocalAccount || OAuthWebSecurity.GetAccountsFromUserName(User.Identity.Name).Count > 1)
{
OAuthWebSecurity.DeleteAccount(provider, providerUserId);
scope.Complete();
message = ManageMessageId.RemoveLoginSuccess;
}
}
}
return RedirectToAction("Manage", new { Message = message });
}
//
// GET: /Account/Manage
public ActionResult Manage(ManageMessageId? message)
{
ViewBag.StatusMessage =
message == ManageMessageId.ChangePasswordSuccess ? "Your password has been changed."
: message == ManageMessageId.SetPasswordSuccess ? "Your password has been set."
: message == ManageMessageId.RemoveLoginSuccess ? "The external login was removed."
: "";
ViewBag.HasLocalPassword = OAuthWebSecurity.HasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
ViewBag.ReturnUrl = Url.Action("Manage");
return View();
}
//
// POST: /Account/Manage
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Manage(LocalPasswordModel model)
{
bool hasLocalAccount = OAuthWebSecurity.HasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
ViewBag.HasLocalPassword = hasLocalAccount;
ViewBag.ReturnUrl = Url.Action("Manage");
if (hasLocalAccount)
{
if (ModelState.IsValid)
{
// ChangePassword will throw an exception rather than return false in certain failure scenarios.
bool changePasswordSucceeded;
try
{
changePasswordSucceeded = WebSecurity.ChangePassword(User.Identity.Name, model.OldPassword, model.NewPassword);
}
catch (Exception)
{
changePasswordSucceeded = false;
}
if (changePasswordSucceeded)
{
return RedirectToAction("Manage", new { Message = ManageMessageId.ChangePasswordSuccess });
}
else
{
ModelState.AddModelError("", "The current password is incorrect or the new password is invalid.");
}
}
}
else
{
// User does not have a local password so remove any validation errors caused by a missing
// OldPassword field
ModelState state = ModelState["OldPassword"];
if (state != null)
{
state.Errors.Clear();
}
if (ModelState.IsValid)
{
try
{
WebSecurity.CreateAccount(User.Identity.Name, model.NewPassword);
return RedirectToAction("Manage", new { Message = ManageMessageId.SetPasswordSuccess });
}
catch (Exception)
{
ModelState.AddModelError("", String.Format("Unable to create local account. An account with the name \"{0}\" may already exist.", User.Identity.Name));
}
}
}
// If we got this far, something failed, redisplay form
return View(model);
}
//
// POST: /Account/ExternalLogin
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult ExternalLogin(string provider, string returnUrl)
{
return new ExternalLoginResult(provider, Url.Action("ExternalLoginCallback", new { ReturnUrl = returnUrl }));
}
//
// GET: /Account/ExternalLoginCallback
[AllowAnonymous]
public ActionResult ExternalLoginCallback(string returnUrl)
{
AuthenticationResult result = OAuthWebSecurity.VerifyAuthentication(Url.Action("ExternalLoginCallback", new { ReturnUrl = returnUrl }));
if (!result.IsSuccessful)
{
return RedirectToAction("ExternalLoginFailure");
}
if (OAuthWebSecurity.Login(result.Provider, result.ProviderUserId, createPersistentCookie: false))
{
return RedirectToLocal(returnUrl);
}
if (User.Identity.IsAuthenticated)
{
// If the current user is logged in add the new account
OAuthWebSecurity.CreateOrUpdateAccount(result.Provider, result.ProviderUserId, User.Identity.Name);
return RedirectToLocal(returnUrl);
}
else
{
// User is new, ask for their desired membership name
string loginData = OAuthWebSecurity.SerializeProviderUserId(result.Provider, result.ProviderUserId);
ViewBag.ProviderDisplayName = OAuthWebSecurity.GetOAuthClientData(result.Provider).DisplayName;
ViewBag.ReturnUrl = returnUrl;
return View("ExternalLoginConfirmation", new RegisterExternalLoginModel { UserName = result.UserName, ExternalLoginData = loginData });
}
}
//
// POST: /Account/ExternalLoginConfirmation
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult ExternalLoginConfirmation(RegisterExternalLoginModel model, string returnUrl)
{
string provider = null;
string providerUserId = null;
if (User.Identity.IsAuthenticated || !OAuthWebSecurity.TryDeserializeProviderUserId(model.ExternalLoginData, out provider, out providerUserId))
{
return RedirectToAction("Manage");
}
if (ModelState.IsValid)
{
// Insert a new user into the database
using (UsersContext db = new UsersContext())
{
UserProfile user = db.UserProfiles.FirstOrDefault(u => u.UserName.ToLower() == model.UserName.ToLower());
// Check if user already exists
if (user == null)
{
// Insert name into the profile table
db.UserProfiles.Add(new UserProfile { UserName = model.UserName });
db.SaveChanges();
OAuthWebSecurity.CreateOrUpdateAccount(provider, providerUserId, model.UserName);
OAuthWebSecurity.Login(provider, providerUserId, createPersistentCookie: false);
return RedirectToLocal(returnUrl);
}
else
{
ModelState.AddModelError("UserName", "User name already exists. Please enter a different user name.");
}
}
}
ViewBag.ProviderDisplayName = OAuthWebSecurity.GetOAuthClientData(provider).DisplayName;
ViewBag.ReturnUrl = returnUrl;
return View(model);
}
//
// GET: /Account/ExternalLoginFailure
[AllowAnonymous]
public ActionResult ExternalLoginFailure()
{
return View();
}
[AllowAnonymous]
[ChildActionOnly]
public ActionResult ExternalLoginsList(string returnUrl)
{
ViewBag.ReturnUrl = returnUrl;
return PartialView("_ExternalLoginsListPartial", OAuthWebSecurity.RegisteredClientData);
}
[ChildActionOnly]
public ActionResult RemoveExternalLogins()
{
ICollection<OAuthAccount> accounts = OAuthWebSecurity.GetAccountsFromUserName(User.Identity.Name);
List<ExternalLogin> externalLogins = new List<ExternalLogin>();
foreach (OAuthAccount account in accounts)
{
AuthenticationClientData clientData = OAuthWebSecurity.GetOAuthClientData(account.Provider);
externalLogins.Add(new ExternalLogin
{
Provider = account.Provider,
ProviderDisplayName = clientData.DisplayName,
ProviderUserId = account.ProviderUserId,
});
}
ViewBag.ShowRemoveButton = externalLogins.Count > 1 || OAuthWebSecurity.HasLocalAccount(WebSecurity.GetUserId(User.Identity.Name));
return PartialView("_RemoveExternalLoginsPartial", externalLogins);
}
#region Helpers
private ActionResult RedirectToLocal(string returnUrl)
{
if (Url.IsLocalUrl(returnUrl))
{
return Redirect(returnUrl);
}
else
{
return RedirectToAction("Index", "Home");
}
}
public enum ManageMessageId
{
ChangePasswordSuccess,
SetPasswordSuccess,
RemoveLoginSuccess,
}
internal class ExternalLoginResult : ActionResult
{
public ExternalLoginResult(string provider, string returnUrl)
{
Provider = provider;
ReturnUrl = returnUrl;
}
public string Provider { get; private set; }
public string ReturnUrl { get; private set; }
public override void ExecuteResult(ControllerContext context)
{
OAuthWebSecurity.RequestAuthentication(Provider, ReturnUrl);
}
}
private static string ErrorCodeToString(MembershipCreateStatus createStatus)
{
// See http://go.microsoft.com/fwlink/?LinkID=177550 for
// a full list of status codes.
switch (createStatus)
{
case MembershipCreateStatus.DuplicateUserName:
return "User name already exists. Please enter a different user name.";
case MembershipCreateStatus.DuplicateEmail:
return "A user name for that e-mail address already exists. Please enter a different e-mail address.";
case MembershipCreateStatus.InvalidPassword:
return "The password provided is invalid. Please enter a valid password value.";
case MembershipCreateStatus.InvalidEmail:
return "The e-mail address provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.InvalidAnswer:
return "The password retrieval answer provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.InvalidQuestion:
return "The password retrieval question provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.InvalidUserName:
return "The user name provided is invalid. Please check the value and try again.";
case MembershipCreateStatus.ProviderError:
return "The authentication provider returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
case MembershipCreateStatus.UserRejected:
return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
default:
return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
}
}
#endregion
}
}
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Data.Entity;
using System.Globalization;
using System.Web.Security;
namespace RecreationalServicesTicketingSystem.Models
{
public class UsersContext : DbContext
{
public UsersContext()
: base("DefaultConnection")
{
}
public DbSet<UserProfile> UserProfiles { get; set; }
}
[Table("UserProfile")]
public class UserProfile
{
[Key]
[DatabaseGeneratedAttribute(DatabaseGeneratedOption.Identity)]
public int UserId { get; set; }
public string UserName { get; set; }
}
public class RegisterExternalLoginModel
{
[Required]
[Display(Name = "User name")]
public string UserName { get; set; }
public string ExternalLoginData { get; set; }
}
public class LocalPasswordModel
{
[Required]
[DataType(DataType.Password)]
[Display(Name = "Current password")]
public string OldPassword { get; set; }
[Required]
[StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
[DataType(DataType.Password)]
[Display(Name = "New password")]
public string NewPassword { get; set; }
[DataType(DataType.Password)]
[Display(Name = "Confirm new password")]
[Compare("NewPassword", ErrorMessage = "The new password and confirmation password do not match.")]
public string ConfirmPassword { get; set; }
}
public class LoginModel
{
[Required]
[Display(Name = "User name")]
public string UserName { get; set; }
[Required]
[DataType(DataType.Password)]
[Display(Name = "Password")]
public string Password { get; set; }
[Display(Name = "Remember me?")]
public bool RememberMe { get; set; }
}
public class RegisterModel
{
[Required]
[Display(Name = "User name")]
public string UserName { get; set; }
[Required]
[StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
[DataType(DataType.Password)]
[Display(Name = "Password")]
public string Password { get; set; }
[DataType(DataType.Password)]
[Display(Name = "Confirm password")]
[Compare("Password", ErrorMessage = "The password and confirmation password do not match.")]
public string ConfirmPassword { get; set; }
}
public class ExternalLogin
{
public string Provider { get; set; }
public string ProviderDisplayName { get; set; }
public string ProviderUserId { get; set; }
}
}