错误信息：
has been blocked by CORS policy: Response to preflight request doesn’t pass access control check: No ‘Access-Control-Allow-Origin’ header is present on the requested resource. has been blocked by CORS polic
阅读背景：
本地环境 vue 使用 Axios 请求地址，出现跨域，使用 vue.config 代理解决_ZengYue_D的博客
来源：互联网
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