擅长:python、mysql、java
<p>好的</p>
<p>最后它解决了这个问题:</p>
<pre><code>@app.after_request
def add_header(r):
"""
Add headers to both force latest IE rendering engine or Chrome Frame,
and also to cache the rendered page for 10 minutes.
"""
r.headers["Cache-Control"] = "no-cache, no-store, must-revalidate"
r.headers["Pragma"] = "no-cache"
r.headers["Expires"] = "0"
r.headers['Cache-Control'] = 'public, max-age=0'
return r
</code></pre>
<p>如果添加此项,则在每个请求完成后将调用此函数。请看<a href="http://flask.pocoo.org/docs/0.10/api/#flask.Flask.after_request" rel="noreferrer">here</a></p>
<p>如果有人能解释一下为什么页面处理程序不能覆盖这些标题,我会很高兴的?</p>
<p>谢谢你。</p>