[英]How to access Request.Properties in ActionExecutingContext
如何訪問ActionExecutingContext
Request.Properties
?
public class UserFilter : ActionFilterAttribute
{
public void OnActionExecuting(ActionExecutingContext actionContext)
{
// Properties is not part of the Request here, so I can't access it
// Here Request is of type System.Web.HttpRequestBase
actionContext.HttpContext.Request.Properties.Add("UserData", new UserData());
}
}
我可以在ApiController
中ApiController
:
public class HomeController : ApiController
{
public HomeController()
{
// Here I can do it (here Request is of type
// System.Net.Http.HttpRequestMessage
this.Request.Properties.Add("UserData", new UserData());
}
}
對於ApiController
您需要使用另一個ActionFilterAttribute
(位於System.Web.Http.Controllers
命名空間中):
using System.Web.Http.Controllers;
using System.Web.Http.Filters;
public class UserFilter : ActionFilterAttribute
{
public override void OnActionExecuting(HttpActionContext actionContext)
{
// Properties is part of the Request here, you can access it
// actionContext.Request.Properties
}
}
actionContext.ActionDescriptor.Properties.Add("UserData", new UserData());
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