Python，Flask:如何为所有响应设置响应标头-Python问题

Python, Flask: How to set response header for all responses(Python，Flask:如何为所有响应设置响应标头)

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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"

推荐答案

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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