vue-cli文件解读

1.build/webpack.dev.conf.js中的   

const HOST = process.env.HOST配置使网站能通过局域网ip访问到

2.config/index.js中

host: 'localhost',          // can be overwritten by process.env.HOST
port: 8010,               // can be overwritten by process.env.PORT, if port is in use, a free one will be determined
autoOpenBrowser: true,

端口号，访问ip，是否自动被浏览器打开