4、 请构建一个网店类:OnlineShop,实现上述货物管家接口的所有方法。其中该类的订单号是正整数,可从1开始计数,每销售一个订单,订单号累计+1。
时间: 2024-05-04 18:22:43 浏览: 7
好的,这是一个编程问题,属于我的能力范围之内。以下是一个简单的 OnlineShop 类示例:
```python
class OnlineShop:
def __init__(self):
self.order_id = 1
self.products = {}
def add_product(self, product_id, quantity):
if product_id in self.products:
self.products[product_id] += quantity
else:
self.products[product_id] = quantity
def remove_product(self, product_id, quantity):
if product_id in self.products:
if self.products[product_id] >= quantity:
self.products[product_id] -= quantity
else:
del self.products[product_id]
else:
print("Product not found in stock")
def update_stock(self, product_id, quantity):
self.products[product_id] = quantity
def place_order(self):
print("Order placed with order ID #", self.order_id)
self.order_id += 1
def display_stock(self):
for product in self.products:
print(product, ":", self.products[product])
```
这个类提供了实现货物管家接口的所有方法。其中订单号从1开始计数,并且每次下单后自动累加。我希望这个简单示例对您有所帮助!