Question

如果我界定一个行动过滤器,以实施<代码>IActionFilter,那么:

public class FooAttribute : FilterAttribute, IActionFilter
{
    public void OnActionExecuted(ActionExecutedContext filterContext)
    { }

    public void OnActionExecuting(ActionExecutingContext filterContext)
    {
        filterContext.Result = new ContentResult 
        { 
            Content = "Test", 
            ContentEncoding = Encoding.UTF8, 
            ContentType = "text" 
        };
    }
}

并适用于以下行动方法:

[Foo]
public ActionResult Index()
{
    return View();
}

当我这样做时,指数行动法并不适用,执行方法也不适用。之所以如此,是因为我制定了<代码>Result property in OnActionExecuting<>code方法是? 是否有其他事情会中断正常流动?

Answer 1

I think its just the Result property that has this effect.. See here : http://books.google.be/books?id=gzfFQrs_qQAC&lpg=PA442&ots=EXCefpt5-O&dq=iactionfilter%20onactionexecuting&pg=PA442#v=onepage&q=iactionfilter%20onactionexecuting&f=false

用户可以取消这种行动,为某些非核物质设定条件。

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