标签:c asp-net asp-net-mvc autofac
在我的ASP.net MVC应用程序中,我想为每个会话应“导出”的对象设置一个值.我试过这样的:
我想要的对象:
public class Core : ICore {
public Core() {
UserSession = new UserSession();
}
public UserSession UserSession { get; set; }
}
Global.asax中:
protected void Application_Start() {
var builder = new ContainerBuilder();
//register ICore
builder.RegisterType<Core.Core>().As<ICore>().InstancePerLifetimeScope();
builder.RegisterControllers(typeof (MvcApplication).Assembly);
builder.RegisterFilterProvider();
var container = builder.Build();
DependencyResolver.SetResolver(new AutofacDependencyResolver(container));
BundleConfig.RegisterBundles(BundleTable.Bundles);
AreaRegistration.RegisterAllAreas();
RouteConfig.RegisterRoutes(RouteTable.Routes);
}
我将值设置为对象的位置(UserController):
public class UserController : BaseController {
private readonly ICore _core;
private readonly IUserDomain _userDomain;
public UserController(ICore core, IUserDomain userDomain) {
_core = core;
_userDomain = userDomain;
}
[HttpPost]
[AllowAnonymous]
public ActionResult Login(LoginForm form) {
if (ModelState.IsValid) {
var user = _userDomain.GetByName(form.Username);
if (user != null) {
// Set Value
_core.UserSession.CurrentUser = user;
return RedirectToAction("Index", "Home");
}
}
return View(form);
}
}
我需要此Session对象的位置
同一申请中的第一名:
(这里ICore不为null,但我之前在Controller中设置的CurrentUser为null)
public class ClaimsAuthorize : AuthorizeAttribute {
public ICore Core { get; set; }
protected override bool AuthorizeCore(HttpContextBase httpContext) {
//Here is CurrentUser null
var currentUser = Core.UserSession.CurrentUser;
return currentUser != null;
}
}
另一个项目中的第二个(SQL上下文):
public class BaseContext <TModel> where TModel : BaseModel {
protected readonly ICore Core;
protected NHibernateSession NHibernateSession;
public BaseContext(ICore core) {
Core = core;
}
public virtual bool Save(TModel model) {
if (Core.UserSession.CurrentUser == null) {
return false;
}
model.CreatedBy = Core.UserSession.CurrentUser.Id;
model.CreatedAt = DateTime.Now;
using (var session = NHibernateSession.SessionFactory.OpenSession()) {
using (var transaction = session.BeginTransaction()) {
session.Save(model);
transaction.Commit();
}
}
return true;
}
}
public class PageContext : BaseContext<Page>, IPageContext {
public PageContext(ICore core, NHibernateSession nHibernateSession) : base(core) {
NHibernateSession = nHibernateSession;
}
}
解决方法:
在您的global.asax中,您可以像这样注册ICore:
builder.Register(c =>
{
if (HttpContext.Current == null)
{
throw new Exception("no httpcontext available");
}
ICore core = HttpContext.Current.Session["ICore"] as ICore;
if (core == null)
{
core = new Core();
HttpContext.Current.Session["ICore"] = core;
}
return core;
}).As<ICore>();
在这种情况下,每次Autofac将解析ICore时,它将查看会话并在需要时向其添加新实例.
标签:c,asp-net,asp-net-mvc,autofac 来源: https://codeday.me/bug/20190702/1358108.html
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