public async Task <ActionResult> Index() { try { var list = await FaceHelper.GetFaceModelList("https://images2015.cnblogs.com/blog/658978/201609/658978-20160922111329527-2030285818.png"); //todo:web端的处理(我这边就不弄了,需求是搞PC版的处理) ViewBag.InfoList = await list.ObjectToJsonAsync(); } catch (FaceException ex) { ViewBag.ErrorInfo = ex.Message; } return(View()); }