基于python的前后端分离的模拟实现

class ProductInfo:
    def __init__(self):
        self.product_name = None
        self.id = None
        self.price = None
        self.manufacturer = None
class ProductView:
    def print_product(self):
        product = ProductInfo()  # 耦合点
        print(f"Name: {product.product_name}")
        print(f"Price: {product.price}")
        print(f"Manufacturer: {product.manufacturer}")

class ProductInfo:
    def __init__(self):
        self.product_name = None
        self.id = None
        self.price = None
        self.manufacturer = None


class ProductView:
    """
    Product 的展示
    """

    def print_product(self, product):
        print(f"Name: {product.product_name}")
        print(f"Price: {product.price}")
        print(f"Manufacturer: {product.manufacturer}")


class ProductController:
    """
    控制器，控制用户的输入，选择合适的 view 输出
    """

    def __init__(self, product, view):
        self.product = product
        self.product_view = view

    def refresh_view(self):
        self.product_view.print_product(self.product)

    def update_model(self, product_name, price, manufacturer):
        self.product.product_name = product_name
        self.product.price = price
        self.product.manufacturer = manufacturer


# 实际执行代码
if __name__ == '__main__':
    controller = ProductController(ProductInfo(), ProductView())
    controller.refresh_view()
    controller.update_model("new name", 15, "ABC Inc")
    controller.product_view.print_product(controller.product)