#### 更新購物車
~~~[api]
post:/cart/updateGoodsCart
id=1#購物車id(int)
userId=3191#用戶id(int)
childGoodsId=1234#商品詳細id(string)
count =10#數量(int)
price=1.05#單價(double)
totalPrice=10.5#總價(double)
<<<
success
{
"retCode": 0,
"retMsg": "success",
"responseInfo": {
unitPrice,
totalPrice,
inventory
}
}
<<<
error
{
"retCode": !0,
"retMsg": "errMsg"
}
~~~