Python网页版怎样做数据缓存_Python网页版缓存机制与性能提升方法

from flask import Flask
from flask_caching import Cache
<p>app = Flask(<strong>name</strong>)</p><p><span>立即学习</span>“<a href="https://pan.quark.cn/s/00968c3c2c15" style="text-decoration: underline !important; color: blue; font-weight: bolder;" rel="nofollow" target="_blank">Python免费学习笔记（深入）</a>”；</p><h1>配置使用简单内存缓存</h1><p>app.config['CACHE_TYPE'] = 'SimpleCache'
cache = Cache(app)</p><p>@app.route('/data')
@cache.cached(timeout=60)  # 缓存60秒
def get_data():</p><h1>模拟耗时操作</h1><pre class='brush:python;toolbar:false;'>return expensive_database_query()

import redis
import json
<p>r = redis.Redis(host='localhost', port=6379, db=0)</p>
                    <div class="aritcle_card">
                        <a class="aritcle_card_img" href="/ai/1146">
                            <img src="https://img.php.cn/upload/ai_manual/000/000/000/175680088775482.png" alt="存了个图">
                        </a>
                        <div class="aritcle_card_info">
                            <a href="/ai/1146">存了个图</a>
                            <p>视频图片解析/字幕/剪辑，视频高清保存/图片源图提取</p>
                            <div class="">
                                <img src="/static/images/card_xiazai.png" alt="存了个图">
                                <span>17</span>
                            </div>
                        </div>
                        <a href="/ai/1146" class="aritcle_card_btn">
                            <span>查看详情</span>
                            <img src="/static/images/cardxiayige-3.png" alt="存了个图">
                        </a>
                    </div>
                <p>def get_cached_data(key):
data = r.get(key)
if data:
return json.loads(data)
else:
result = fetch_from_db()  # 实际查询
r.setex(key, 300, json.dumps(result))  # 缓存5分钟
return result</p>

from datetime import timedelta
from flask import make_response
<p>@app.route('/static-data')
def static_data():
response = make_response(jsonify(get_data()))
response.headers['Cache-Control'] = 'public, max-age=300'  # 浏览器缓存300秒
return response</p>

{% load cache %}
{% cache 500 sidebar %}
    <div class="sidebar">
        <!-- 耗时渲染的内容 -->
    </div>
{% endcache %}