cnpm install node-sass --save-dev //安装node-sass
cnpm install style-loader --save-dev //安装style-loader
cnpm install sass-loader@7.3.1 --save-dev // 安装sass-loader
然后在build/webpack.base.conf.js里的rules中添加
{
test: /\.sass$/,
loaders: ['style', 'css', 'sass']
}