论坛程序

# 示例代码：用户注册逻辑
def register_user(username, password):
    hashed_password = bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt())
    try:
        cursor.execute("INSERT INTO users (username, password) VALUES (?, ?)", (username, hashed_password))
        db.commit()
    except Exception as e:
        print(f"Error: {e}")

# 示例代码：帖子发布逻辑
def post_article(title, content, user_id):
    sanitized_content = bleach.clean(content)
    try:
        cursor.execute("INSERT INTO articles (title, content, user_id) VALUES (?, ?, ?)", (title, sanitized_content, user_id))
        db.commit()
    except Exception as e:
        print(f"Error: {e}")

# 示例代码：使用Redis缓存热门帖子
import redis

r = redis.Redis(host='localhost', port=6379, db=0)

def get_hot_posts():
    hot_posts = r.get('hot_posts')
    if hot_posts is None:
        cursor.execute("SELECT * FROM articles ORDER BY views DESC LIMIT 10")
        hot_posts = cursor.fetchall()
        r.set('hot_posts', pickle.dumps(hot_posts), ex=3600)  # 缓存1小时
    else:
        hot_posts = pickle.loads(hot_posts)
    return hot_posts