我有一个 _layout 加载菜单:
...
@Html.Action("MenuRole","Menu")
...
在 Action MenuRole 中,我使用 Action Filter 检查会话:
[CheckSession]
[ChildActionOnly]
public ActionResult MenuRole()
{
....
return PartialView("_LoadMenu",menuModel);
//_LoadMenu is partial view to show menurole
}
并在动作过滤器中:
public class CheckSession : ActionFilterAttribute, IActionFilter
{
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
var ctx = filterContext.HttpContext;
//if Session == null => Login page
if (ctx.Session["Username"] == null)
{
filterContext.Result = new RedirectToRouteResult(new RouteValueDictionary(new { action = "Index", controller = "Login" }));
}
base.OnActionExecuting(filterContext);
}
}
会话超时时,_layout 在@Html.Action("MenuRole","Menu") 中显示错误:不允许子操作执行重定向操作