双十一APP搜索 购买

<!-- 使用CDN加速静态资源 -->
<script src="https://cdn.example.com/script.js"></script>
<link rel="stylesheet" href="https://cdn.example.com/style.css">

# 使用Flask框架实现简单的限流
from flask import Flask, request
from flask_limiter import Limiter

app = Flask(__name__)
limiter = Limiter(app, key_func=get_remote_address)

@app.route('/purchase', methods=['POST'])
@limiter.limit("10 per minute")
def purchase():
    # 处理购买逻辑
    pass

-- 创建索引提高查询效率
CREATE INDEX idx_product_name ON products(name);

# 使用Redis缓存热门商品信息
import redis

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

def get_product_info(product_id):
    info = r.get(f'product:{product_id}')
    if info is None:
        info = fetch_from_db(product_id)  # 假设这是从数据库获取信息的函数
        r.setex(f'product:{product_id}', 3600, info)
    return info