如何在 ASP.NET MVC 中根据日期重定向站点？

发布于 2024-11-16 03:07:52 字数 557 浏览 1 评论 0原文

我正在尝试找到根据当前日期将用户重定向到页面的最佳方法。我想要完成的正是下面的代码。

DateTime Today = DateTime.Now;
DateTime LaunchDate = DateTime.Parse("17/06/11");
DateTime CloseDate = DateTime.Parse("19/06/11");

int isClosed = DateTime.Compare(CloseDate, Today);
int isOpen = DateTime.Compare(LaunchDate, Today); 

if (isClosed < 0){
    return RedirectToAction("Closed", "Home");
}
else if (isOpen > 0){
    return RedirectToAction("Index", "Home");
}
else{
    return RedirectToAction("ComingSoon", "Home");
}

这种情况会在 global.asax 中的什么位置（或者甚至可能）发生？

原文

I'm trying to find the best way to redirect a user to a page based on the current date. Exactly What I'm trying to accomplish is in the code below.

DateTime Today = DateTime.Now;
DateTime LaunchDate = DateTime.Parse("17/06/11");
DateTime CloseDate = DateTime.Parse("19/06/11");

int isClosed = DateTime.Compare(CloseDate, Today);
int isOpen = DateTime.Compare(LaunchDate, Today); 

if (isClosed < 0){
    return RedirectToAction("Closed", "Home");
}
else if (isOpen > 0){
    return RedirectToAction("Index", "Home");
}
else{
    return RedirectToAction("ComingSoon", "Home");
}

Where in the global.asax(or is it even possible) would this condition go?

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一曲爱恨情仇 2024-11-23 03:07:52

我会将该代码放入自定义 MvcHandler 中。

您可以将其放入 ActionFilter 中，但随后您必须将其应用于所有操作。

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〃温暖了心ぐ 2024-11-23 03:07:52

这是我用于类似需求的代码，其中包含一些附加功能以使测试更容易。它可以设置为全局过滤器，但我更喜欢将其单独应用于控制器/操作，以便在启动之前可以使用特定页面。

请注意，这会返回 ViewResult 而不是 RedirectResult - 这样原始 URL 就会得到保留，这意味着如果具有正确角色的人员从占位符页面登录，他们可以被重定向到他们最初请求的 URL。

public sealed class PreviewAuthAttribute : ActionFilterAttribute
{
    public override void OnActionExecuting(ActionExecutingContext filterContext)
    {
        base.OnActionExecuting(filterContext);

        // todo: if site is live, show page 
        if (DataStore.Instance.Settings.Get("islive") == "True") return;

        // if request is from localhost or build server, show page
        if (filterContext.HttpContext.Request.IsLocal) return;
        if (filterContext.HttpContext.Request.UserHostAddress.StartsWith("192.168.0")) return;

        // if user has has beta role, show page
        if (filterContext.HttpContext.Request.IsAuthenticated && (filterContext.HttpContext.User.IsInRole("Beta"))) return;


        // site is not live and user does not have access - show placeholder

        filterContext.Result = new ViewResult()
        {                
            ViewName="Placeholder",
            ViewData = filterContext.Controller.ViewData,
            TempData = filterContext.Controller.TempData
        };
    }

}

Here's the code I use for a similar requirement, with a couple of additional features to make testing easier. It could be set up as a global filter, though I prefer to apply it to controllers/actions individually so that specific pages can be available before launch.

Note that this returns a ViewResult rather than a RedirectResult - this way the original URL is maintained, which means that if someone with the right role logs in from the placeholder page they can be redirected to the URL they originally requested.

public sealed class PreviewAuthAttribute : ActionFilterAttribute
{
    public override void OnActionExecuting(ActionExecutingContext filterContext)
    {
        base.OnActionExecuting(filterContext);

        // todo: if site is live, show page 
        if (DataStore.Instance.Settings.Get("islive") == "True") return;

        // if request is from localhost or build server, show page
        if (filterContext.HttpContext.Request.IsLocal) return;
        if (filterContext.HttpContext.Request.UserHostAddress.StartsWith("192.168.0")) return;

        // if user has has beta role, show page
        if (filterContext.HttpContext.Request.IsAuthenticated && (filterContext.HttpContext.User.IsInRole("Beta"))) return;


        // site is not live and user does not have access - show placeholder

        filterContext.Result = new ViewResult()
        {                
            ViewName="Placeholder",
            ViewData = filterContext.Controller.ViewData,
            TempData = filterContext.Controller.TempData
        };
    }

}

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