http请求方式：POST
https://api.weixin.qq.com/product/delivery/send?access_token=xxxxxxxxx

{
    "order_id": 123456,
    "delivery_list": 
    [
        {
            "delivery_id": "1",
            "waybill_id": "23424324253"
        }
    ]
}

{
    "errcode": 0,
    "errmsg":"ok",
}