创建商品订单

{
    "userId": 1,
    "goods": [
        {
            "goodsSpecId": 2,
            "title": "有机蔬菜礼盒",
            "cover": "string",
            "price": 99.9,
            "discountPrice": 99.9,
            "quantity": 2
        }
    ],
    "totalPrice": 199.8,
    "paidPrice": 189.8,
    "isOnline": true,
    "remark": "希望能给我寄顺丰",
    "couponId": 1,
    "name": "张三",
    "phone": "13800138000",
    "area": "广东省广州市天河区",
    "address": "珠江新城88号"
}