(后台)获取设备二维码

websocket测试

GET

http://interface-cs.langlizihotel.com/hk-boot/miniapp/laundry/laundryDevice/qrcode

deviceId

string

示例：设备的deviceId

必填

返回数据 ```javascript { "success": true, "message": "操作成功！", "code": 200, "result": "二维码的base64值", "timestamp": 1656668982397 } ```