Python，Flask：如何为所有响应设置响应头 [英] Python, Flask: How to set response header for all responses

问题描述

$ b

I want to set all of my http headers responses to something like this:

response.headers["X-Frame-Options"] = "SAMEORIGIN"

我检查了，但它只是改变了一个特定控制器的标题。我想改变我所有的头可能在before_request函数类似于下面的逻辑。

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（） hook ，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 context 在该钩子运行时仍然可用，因此您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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