Product list interface, product details interface, fields in the product data returned by the interface `kanjiaIf the ` field is `true`, it means that the product is a bargain product, and the bargain settings of the current product can be pulled through this interface.
```javascript
WXAPI.kanjiaSet(goodsId)
```
+ goodsId product id, please use commas to separate multiple products.
Interface return example:
```json
{
"code": 0,
"data": [
{
"dateAdd": "2018-04-01 17:10:19",
"dateEnd": "2222-05-01 12:00:00",
"goodsId": 6765,
"helpPriceMax": 10,
"helpPriceMin": 1,
"helpTimes": 2,
"id": 3,
"minPrice": 82,
"number": 676500,
"numberBuy": 112,
"originalPrice": 100,
"reduction": false,
"status": 0,
"statusStr": "Normal"
}
],
"msg": "success"
}
```
+ The amount that can be reduced each time a friend bargains is a random number between helpPriceMin - helpPriceMax;
+ helpTimes The number of times each person can help to bargain. By default, you can only help friends to bargain once;
+ id This sets the ID for bargaining. This field will be used in subsequent bargaining-related interfaces;
+ minPrice is the minimum bargaining price, that is to say, the minimum amount that can be obtained after the bargaining is over; the goods can be purchased at this amount in the end;
+ number The total number of copies of the goods being bargained for this time is on a first-come, first-served basis; the people behind you cannot purchase the goods even if they bargain down to the lowest price;
+ numberBuy How many people have purchased the product after bargaining;
+ originalPrice original price of the product;
+ reduction: Whether to enable production reduction, when the same person helps to bargain for multiple commodities, the amount of the subsequent commodities will be reduced by half; after the same person negotiates for himself, the amount of the reduction for others will be halved;