HttpHandlers的与ASP.NET MVC

问题描述

如果我有一个标准AXD的HttpHandler，默认忽略*个.axd路线，那么为什么ASP.NET MVC仍然在处理请求的子目录，例如，如果有一个 /内容/ CSS提出的请求/ css.axd？d ....
如果请求在根/css.axd?d取得....一切工作正常。

If I have a standard AXD HttpHandler and the default ignore route for *.axd, then why is ASP.NET MVC still handling requests in subdirs, for instance if there is a request made for /Content/Css/css.axd?d....If the request is made at root /css.axd?d.... everything works fine.

推荐答案

我猜的路线是故意做出这样的设计，也许是因为在字符串的开始通配符并不像高性能的。

I guess the route was deliberately made like that by design, maybe because the wildcard at a start of string isn't as performant.

可惜，这是行不通的：

routes.IgnoreRoute（{*} pathAndResource个.axd / {*} PATHINFO）

该解决方案是使用限制 - 见Phil哈克的博客文章

The solution is to use constraints - see Phil Haack's blog post

菲尔的博客使用正前pression约束，但你可以创建自己的自定义的约束实现或者使事情变得更加可读：

Phil's blogs uses a regular expression constraint, but you could create you own custom contraint alternatively to make things more readable:

routes.IgnoreRoute("match axds"
 "{*url}", new { controller = "MyController", action = "MyAction" }, new
              {
                  myCustomConstraint = new FileExtensionConstraint(".axd")
              }

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