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Group15_all_project/week9 database1
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# 定义用户表 | |
class User(Base): | |
__tablename__ = 'users' | |
user_id = Column(Integer, primary_key=True, autoincrement=True) | |
username = Column(String, nullable=False, unique=True) | |
password = Column(String, nullable=False) | |
address = Column(String) | |
favorites = relationship("UserFavorite", back_populates="user") | |
browsing_history = relationship("UserBrowsingHistory", back_populates="user") | |
# 定义收藏商品表 | |
class UserFavorite(Base): | |
__tablename__ = 'user_favorites' | |
favorite_id = Column(Integer, primary_key=True, autoincrement=True) | |
user_id = Column(Integer, ForeignKey('users.user_id'), nullable=False) | |
product_id = Column(Integer, nullable=False) | |
user = relationship("User", back_populates="favorites") | |
# 定义浏览商品表 | |
class UserBrowsingHistory(Base): | |
__tablename__ = 'user_browsing_history' | |
history_id = Column(Integer, primary_key=True, autoincrement=True) | |
user_id = Column(Integer, ForeignKey('users.user_id'), nullable=False) | |
product_id = Column(Integer, nullable=False) | |
browse_time = Column(DateTime, default=datetime.utcnow) | |
user = relationship("User", back_populates="browsing_history") | |
# 在用户数据库中创建表 | |
Base.metadata.create_all(engine_user) | |
# 添加用户 | |
def add_user(username, password, address=None): | |
new_user = User(username=username, password=password, address=address) | |
session_user.add(new_user) | |
session_user.commit() | |
# 添加用户收藏的商品 | |
def add_favorite(user_id, product_id): | |
new_favorite = UserFavorite(user_id=user_id, product_id=product_id) | |
session_user.add(new_favorite) | |
session_user.commit() | |
# 更新商品信息 | |
def update_product(product_id, name=None, image=None, description=None, category=None, store=None, price=None, positive_feedback_content=None, negative_feedback_content=None): | |
product = session_product.query(Product).filter(Product.product_id == product_id).one() | |
if name: | |
product.product_name = name | |
if image: | |
product.product_image = image | |
if description: | |
product.product_description = description | |
if category: | |
product.category = category | |
if store: | |
product.store = store | |
if price is not None: | |
product.price = price | |
if positive_feedback_content is not None: | |
product.positive_feedback_content = positive_feedback_content | |
if negative_feedback_content is not None: | |
product.negative_feedback_content = negative_feedback_content | |
session_product.commit() | |
# 增加商品好评数量 | |
def increment_positive_feedback(product_id, content=None): | |
product = session_product.query(Product).filter(Product.product_id == product_id).one() | |
product.positive_feedback += 1 | |
if content: | |
product.positive_feedback_content = content | |
session_product.commit() | |
# 增加商品差评数量 | |
def increment_negative_feedback(product_id, content=None): | |
product = session_product.query(Product).filter(Product.product_id == product_id).one() | |
product.negative_feedback += 1 | |
if content: | |
product.negative_feedback_content = content | |
session_product.commit() | |
#控制面板上半部分在database2中 | |
elif choice == '5': | |
product_id = int(input("商品ID: ")) | |
name = input("商品名称: ") | |
image = input("商品图片: ") | |
description = input("商品描述: ") | |
category = input("类别: ") | |
store = input("店铺: ") | |
price = float(input("价格: ")) | |
positive_feedback_content = input("好评内容: ") | |
negative_feedback_content = input("差评内容: ") | |
update_product(product_id, name, image, description, category, store, price, positive_feedback_content, negative_feedback_content) | |
elif choice == '6': | |
product_id = int(input("商品ID: ")) | |
delete_product(product_id) | |
elif choice == '7': | |
product_id = int(input("商品ID: ")) | |
increment_click_count(product_id) | |
elif choice == '8': | |
product_id = int(input("商品ID: ")) | |
increment_favorite_count(product_id) | |
elif choice == '9': | |
product_id = int(input("商品ID: ")) | |
content = input("好评内容: ") | |
increment_positive_feedback(product_id, content) | |
elif choice == '10': | |
product_id = int(input("商品ID: ")) | |
content = input("差评内容: ") | |
increment_negative_feedback(product_id, content) | |
elif choice == '0': | |
break | |
else: | |
print("无效的选择,请重新输入。") | |
if __name__ == "__main__": | |
menu() |