Read ad slot

# Read a single ad slot ```javascript WXAPI.adPosition('key') ``` ```json { "code": 0, "data": { "name": "Homepage banner advertisement", "type": "pic", "val": "https://dcdn.it120.cc/2021/12/01/2835272d-bdcb-4d34-99b3-3d326babcb2b.png" }, "msg": "success" } ``` Sample code: [https://gitee.com/javazj/wechat-app-mall/blob/master/pages/index/index.js](https://gitee.com/javazj/wechat-app-mall/blob/master/pages/index/index.js) # Read advertising slots in batches ```javascript WXAPI.adPositionBatch('key1,key2,key3') ``` ```json { "code": 0, "data": [ { "key": "index_banner_01", "name": "Homepage banner advertisement", "type": "pic", "val": "https://dcdn.it120.cc/2021/12/01/2835272d-bdcb-4d34-99b3-3d326babcb2b.png" } ], "msg": "success" } ``` Sample code: [https://gitee.com/javazj/uni-app-mall/blob/main/pages/cart/index.vue](https://gitee.com/javazj/uni-app-mall/blob/main/pages/cart/index.vue)