Python，Flask:如何为所有响应设置响应标头
问题描述
我想将我所有的 http 标头响应设置为这样的:
I want to set all of my http headers responses to something like this:
response.headers["X-Frame-Options"] = "SAMEORIGIN"
我检查了 这个问题，但它只会改变一个特定控制器的标题.我想在类似于以下逻辑的before_request"函数中更改所有标题.我该怎么做?
I checked this question, but it only changes the header for one specific controller. I want to change all of my headers maybe in "before_request" function similar to the following logic. How can I do that?
@app.before_request
def before_request():
# response.headers["X-Frame-Options"] = "SAMEORIGIN"
解决方案
在 @app.after_request() 钩子，此时你有一个响应对象来设置标题:
Set the header in a @app.after_request() hook, at which point you have a response object to set the header on:
@app.after_request
def apply_caching(response):
response.headers["X-Frame-Options"] = "SAMEORIGIN"
return response
flask.request 上下文 在这个钩子运行时仍然可用，所以此时你仍然可以根据请求改变响应.
The flask.request context is still available when this hook runs, so you can still vary the response based on the request at this time.
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