vue项目npm run build 打包之后如何在本地访问
如果直接访问时，则会报错如下的信息：
报错码：
Access to script at 'file:///D:/assets/index-DDVBfHVo.js' from origin 'null' has been blocked by CORS policy: Cross origin requests are only supported for protocol schemes: http, data, isolated-app, chrome-extension, chrome, https, chrome-untrusted.
index-DDVBfHVo.js:1
Failed to load resource: net::ERR_FAILED
index.html:1 Access to CSS stylesheet at 'file:///D:/assets/index-DCsNNTuD.css' from origin 'null' has been blocked by CORS policy: Cross origin requests are only supported for protocol schemes: http, data, isolated-app, chrome-extension, chrome, https, chrome-untrusted.
index-DCsNNTuD.css:1
Failed to load resource: net::ERR_FAILED
/D:/favicon.ico:1
Failed to load resource: net::ERR_FILE_NOT_FOUND
本地访问的解决方案：
打包后不能直接打开访问，需要启一个服务，通过服务来访问，具体操作过程如下：
1、安装serve（在cmd命令行输入）
npm i -g serve
2、打包项目
npm run build 生成dist文件夹
3、本地访问（在dist文件夹内）
serve dist
如图所示：
