1.安装node------网上教程很多，自行百度
2.全局安装webpack $ npm install webpack -g
3.项目中安装 $ npminstallwebpack--save-dev
4.安装 Babel 相关组件
npm install--save-dev babel-loader babel-core
npm install babel-preset-es2015 --save-dev
npm install --save babel-polyfill
npm install--save-dev babel-preset-latest
npm install--save-dev babel-preset-react
npm install babel-core--save
