在asp.net mvc 动作过滤器中重定向到指定的控制器和动作 [英] Redirecting to specified controller and action in asp.net mvc action filter

问题描述

我编写了一个动作过滤器，它检测新会话并尝试将用户重定向到一个页面，通知他们发生了这种情况.唯一的问题是我不知道如何让它重定向到动作过滤器中的控制器/动作组合.我只能弄清楚如何重定向到指定的 url.有没有直接的方法可以重定向到 mvc2 中动作过滤器中的控制器/动作组合?

I have written an action filter which detects a new session and attempts to redirect the user to a page informing them that this has happened. The only problem is I can not figure out how to make it redirect to a controller/action combo in an action filter. I can instead only figure out how to redirect to a specified url. Is there a direct way to redirect to a controller/action combo in an action filter in mvc2?

推荐答案

您可以将过滤器上下文的 Result 设置为 RedirectToRouteResult，而不是获取对 HttpContent 的引用并直接在 ActionFilter 中重定向.它更简洁，更适合测试.

Rather than getting a reference to HttpContent and redirecting directly in the ActionFilter you can set the Result of the filter context to be a RedirectToRouteResult. It's a bit cleaner and better for testing.

像这样:

public override void OnActionExecuting(ActionExecutingContext filterContext)
{
    if(something)
    {
        filterContext.Result = new RedirectToRouteResult(
            new RouteValueDictionary {{ "Controller", "YourController" },
                                      { "Action", "YourAction" } });
    }

    base.OnActionExecuting(filterContext);
}

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