Jingdong product query last set coupon information

```javascript WXAPI.cpsJdGoodsQueryExt(skuId) ``` + skuId item number ```json { "code": 0, "data": { "commission": 8, "discount": 200, "materialUrl": "3333333", "minPrice": 88, "originalPrice": 999, "skuId": 100008794112 }, "msg": "success" } ``` + skuId item number + minPrice Amount after coupon + originalPrice JD price + discount coupon denomination + commission commission amount + materialUrl JD product address + couponUrl Coupon collection address