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asyncconnectBleDevice(item:BleParam){try{letdevice:ble.GattClientDeviceble.createGattClientDevice(item.deviceId);1.等待连接完成awaitdevice.connect();console.info('Deviceconnectedsuccessfully');2.等待获取服务constservicesawaitnewPromise((resolve,reject){device.getServices((err:BusinessErrornull,gattServices:Arraynull){if(err!gattServices){reject(errnewError('Noservicesfound'));}else{resolve(gatt...