返回ActionResult实例的控制器方法和返回的ActionResult类型

Redirect----RedirectResult

RedirectPermanet

RedirectToAction-----RedirectToRouteResult

RedirectToActionPermanent

RedirectToRoute-----RedirectToRouteResult

RedirectToRoutePermanent

View-------ViewResult

PartialView-------PatialViewResult

Content-------ContentResult

File--------FileResult,FileContentResult,FilePathReslut,FileStreamResult

Json--------JsonReslut

JavaScript--------JavascriptReslut

其他ActionResult类型

EmptyResult

HttpStatusCodeResult ,HttpNotFound,HttpUnthorizedResult后面派生于第一个