vue 项目配置sass

1.运行
npm install node-sass --save-dev
npm install sass-loader --save-dev

2.打开build文件夹下面的webpack.base.config.js

module: {
    rules: [
      ...(config.dev.useEslint ? [createLintingRule()] : []),
      {
        test: /\.scss$/,
        loaders: ["style", "css", "sass"]
      },

    ]
  },