public ActionResult FlowCatalogDelete(int id) { Flow flow = new Flow(); if (ModelState.IsValid) { bool delete; try { delete = flow.DeleteCatalog(id); } catch (Exception) { delete = false; } if (delete) { return(Json(new { IsSuccess = true, Message = "删除成功" })); } else { return(Json(new { IsSuccess = false, Message = "删除失败" })); } } return(View()); }