谷歌不允许这样访问。
本地部署网站web
将html页面部署到服务器再访问。
如何部署？
第一步
开启windows系统下的IIS服务
第二步
找到IIS管理器
第四步
右击网站-添加网站
第五步：部署
第六步：地址栏输入正确的路径
正确路径：（和你本地直接打开是一样的，只是把前面的盘符换成localhost）
或者：
右击该页面，浏览
Access to XMLHttpRequest at '6%E6E6%B%9A%9' from origin from origin 'null' has been blocked by CORS policy: Cross origin requests are only supported for protocol scheme
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