1、安装 live-server，然后调用该包，建立起一个服务，即http://127.0.0.1:8080/example/，自动在浏览器中打开创建的页面
npm install -g live-server
Windows PowerShell
版权所有 (C) Microsoft Corporation。保留所有权利。
PS F:\File_HTML\Vue> npm install -g live-server
C:\Users\99386\AppData\Roaming\npm\live-server -> C:\Users\99386\AppData\Roaming\npm\node_modules\live-server\live-server.js
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\live-server\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})
+ [email protected]
added 123 packages from 83 contributors in 59.527s
PS F:\File_HTML\Vue>