~~~[api] post:api/user_api/coupon/scancode *token=默认值#token *coupon_id=默认值 1#优惠券id必填 <<< success { "code": 1, "message": "获取成功", "data": { "img": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUg" } } <<< error { "code": 501, "message": "登陆失败", "data": "" } ~~~ ***** #### 返回参数说明: |参数名|类型|说明| |:----- |:-----|----- | | img | string| 分享图片 |