创建交通订单

{
    "userId": 1,
    "goods": [
        {
            "id": 1,
            "title": "小船单人票",
            "cover": "/banner/1.jpg",
            "price": 128.5,
            "quantity": 2
        }
    ],
    "remark": "呵呵",
    "totalPrice": 199.8
}