The 'Access-Control-Allow-Origin' header contains multiple values', ', but only one is allowed.

其他 2020-02-25 18:41:31 阅读次数: 0

The 'Access-Control-Allow-Origin' header contains multiple values', ', but only one is allowed.

出现这种情况可能是有两处同时设置了跨域访问，只需要把其中的一处设置注释掉就可以了（是不是不知道另一处在哪呀？把知道的注释掉就行）

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转载自blog.csdn.net/STUDENTstudent123/article/details/102509785

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