解决浏览器跨域加载本地文件报错 Access to script at ‘xxx‘ from origin ‘null‘ has been blocked by CORS policy

报错：

Failed to load resource: net::ERR_FILE_NOT_FOUND Access to script at 'xxx' from origin 'null' has been blocked by CORS policy: Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome-extension, chrome-untrusted, https.Failed to load resource: net::ERR_FAILED

解决办法：

本地搭建一个server服务器
安装http-server，用npm、cnpm等等都行；
1、打开cmd，全局安装。记得用管理员身份，不然会报错：

>npm install http-server -g

2、打开跨域文件所在文件夹，即需要共享的资源目录。比如A项目下的X.html跨域，则进入A文件夹目录，输入：

>http-server

会显示可用服务，就可以顺利运行了；
3、终止服务，cmd里点击ctrl+c就停止了。

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解决浏览器跨域加载本地文件报错 Access to script at ‘xxx‘ from origin ‘null‘ has been blocked by CORS policy

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