相关疑难解决方法(0)

我试过用这个

@app.after_request
def add_header(response):
    response.headers['Cache-Control'] = 'max-age=300'
    return response

但这会导致出现重复的Cache-Control标头.我只想要max-age = 300,而不是max-age = 1209600行!

$ curl -I http://my.url.here/
HTTP/1.1 200 OK
Date: Wed, 16 Apr 2014 14:24:22 GMT
Server: Apache
Cache-Control: max-age=300
Content-Length: 107993
Cache-Control: max-age=1209600
Expires: Wed, 30 Apr 2014 14:24:22 GMT
Content-Type: text/html; charset=utf-8