四、webpack-dev-server

一、安装依赖

cnpm i webpack-dev-server -S

二、配置

//配置package.json
"scripts": {
    ...
    "server":"webpack serve --open"
  }

const config ={
    ...
    devServer:{
        contentBase:"./dist",
        port:8000,
        overlay:{
            errors:true
        } //可以将报道显示到页面上
    }
}

三、运行

npm run serve