// 添加节点配置信息 public ActionResult Add(equipment_information node) { ADevice device = new ADevice(); var rs = device.select(node.MAC); // 本来没有该节点 if (rs == null) { device.insert(node); if (device.select(node.MAC) != null) { return(Content(JsonConvert.SerializeObject(new { code = 1, des = "添加成功", }))); } else { return(Content(JsonConvert.SerializeObject(new { code = 0, des = "添加失败,未添加到数据库" }))); } } else // 本来有该节点 { return(Content(JsonConvert.SerializeObject(new { code = -1, des = "添加失败,系统已有该节点", }))); } }