header field token is not allowed by Access-Control-Allow-Headers in preflight response问题解决
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今天下午,本来打算使用aioxs在header里传一个token给后台服务器,如下图所示:
结果,控制台报了如下的错:
然后,我不停地百度,不停的改后台express的header设置,一直没有效果;
最后,我才发现,我只要在原来的header设置里加多一个‘token’就可以了;
具体思路我是参考了这个链接:https://segmentfault.com/q/1010000015572348?sort=created
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