您可以使用HttpServerUtility.MapPath方法来映射任何相对路径为你，在你的控制器，这是通过方便的 ControllerContext ：

You can use the HttpServerUtility.MapPath method to map any relative paths for you, in your controller this is easily accessible via the ControllerContext:

string path = ControllerContext.HttpContext.Server.MapPath("~/_xslt/example.xslt");
...