401 error means that the user is not logged in or the user token has expired. It may also be because there is no Authorization in the header.
So I checked the code and found that Authorization and user-aget were written backwards. After changing them, I can successfully obtain the data.
Using POST to request data returns "no client information in request header", error code 401
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Origin blog.csdn.net/qaaaaaaz/article/details/134017318
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