【Nginx】前端请求跨域问题
问题描述
Access to fetch at ‘xxx’ from origin ‘xxx’ has been blocked by CORS policy: Response to preflight request doesn’t pass access control check: The ‘Access-Control-Allow-Origin’ header contains multiple values ‘*, *’, but only one is allowed. Have the server send the header with a valid value, or, if an opaque response serves your needs, set the request’s mode to ‘no-cors’ to fetch the resource with CORS disabled.
解决方案
找到Nginx配置中具体请求的server配置，找到配置： add_header Access-Control-Allow-Origin *;
注释该配置，重启Nginx后重试
原文地址：https://blog.csdn.net/weixin_47610533/article/details/139277022
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