## 班牌查詢單個設備信息
**簡要描述：**
* 班牌查詢單個設備信息
**請求URL：**
* /device/findbymacid
**請求方式：**
* POST
**請求參數：**
| 參數名 | 必選 | 類型 | 說明 |
| --- | --- | --- | --- |
| mac_id| 是 | string | 設備地址 |
**返回參數：**
| 參數名 | 必選 | 類型 | 說明 |
| --- | --- | --- | --- |
| company_id| 是 | int | 平臺id |
| school_id| 是 | int | 學校id |
| classes_id| 是| string | 班級id |
| classes_name| 是 | string | 班級名稱 |
| name| 是 | string | 設備名稱 |
| mac_id| 是 | string | 設備地址 |
| type| 是 | int| 1班牌 2考勤機 |
| password| 是 | string | 密碼|
| welcome| 是 | string | 開機歡迎語 |
| card_voice| 是 | string | 刷卡播報聲 |
| mode_type| 是 | int | 模式類別 1.常規模式，2.考試模式，3圖片模式|
| start_time| 是 | string | 模式場景開始時間 |
| end_time| 是 | string | 模式場景結束時間 |
| background| 是 | string | 背景圖 |
| add_time| 是 | string | 創建時間 |
| timeon_1| 是 | string | 星期一開機時間 |
| timeoff_1| 是 | string | 星期一關機時間 |
|first_screen_settings| 是 | string | 首頁布局，xy坐標，wh寬高，如果不需要自定義，可固定返回 |
**返回示例**
```
{
"code": "200",
"msg": "success",
"data": {
"id": "2",
"school_id": "1",
"classes_id": "1",
"name": "222",
"mac_id": "222",
"type": "1",
"password": "",
"welcome": "",
"card_voice": "",
"mode_type": "1",
"start_time": "",
"end_time": "",
"background": "",
"first_screen_settings": "[{\"x\":0,\"y\":0,\"w\":2,\"h\":2,\"i\":6,\"url\":\"static/img/class_sp22.94ab6aa4.png\",\"moved\":false},{\"x\":0,\"y\":2,\"w\":2,\"h\":2,\"i\":7,\"url\":\"static/img/class_tz22.6cda36d3.png\",\"moved\":false},{\"x\":2,\"y\":0,\"w\":2,\"h\":3,\"i\":9,\"url\":\"static/img/class_xw23.c0c4f31e.png\",\"moved\":false},{\"x\":0,\"y\":4,\"w\":2,\"h\":2,\"i\":11,\"url\":\"static/img/class_yx22.ddb50ea8.png\",\"moved\":false},{\"x\":2,\"y\":3,\"w\":2,\"h\":2,\"i\":12,\"url\":\"static/img/class_zr22.b46e040a.png\",\"moved\":false}]",
"status": "1",
"add_time": "2020-12-16 11:15:35",
"classes_name": "10班",
"power": {
"id": "2",//這兩個用不到
"device_id": "2",//這兩個用不到
"timeon_1": "",
"timeoff_1": "",
"timeon_2": "",
"timeoff_2": "",
"timeon_3": "",
"timeoff_3": "",
"timeon_4": "",
"timeoff_4": "",
"timeon_5": "",
"timeoff_5": "",
"timeon_6": "",
"timeoff_6": "",
"timeon_7": "",
"timeoff_7": ""
}
}
}
```
