webpack配置打包支持scss、自动import全局文件、分享变量、单独提取css文件、自动生成HTML页面
支持scsswebpack.config.js{test:/\.s[ac]ss$/i,use:['style-loader','css-loader','sass-loader',],},scss自动import全局文件webpack.config.jsuse:['style-loader','css-loader',{loader:'sass-loader',options:{additiona