没安装webpack-dev-server的话需要先安装
$ npm install webpack-dev-server --save-dev
非全局安装启动
./node_modules/webpack-dev-server/bin/webpack-dev-server.js --progress
全局安装启动($ npm install webpack-dev-server -g)
webpack-dev-server --progress
首先,内网要有固定IP,另外要有路由器,在路由器中把你内部IP192.168.1.2的80端口打开就行了,你就可以通过123.45.67.89来访问内网的WEB了