webpack不可以使用ES6的import和export，配置如下

Question

图片描述{  "name": "webpack-sample-project",  "version": "1.0.0",  "description": "Sample webpack project",  "scripts": {    "start": "webpack"  },  "author": "zhang",  "license": "ISC",  "devDependencies": {    "babel-core": "^6.18.2",    "babel-loader": "^6.2.7",    "babel-preset-es2015": "^6.18.0",    "babel-preset-es2016": "^6.16.0",    "babel-preset-react": "^6.16.0",    "json-loader": "^0.5.4",    "webpack": "^1.12.9",    "webpack-dev-server": "^1.16.2"  }}

Answer 1

在webpack.config.js同层级的目录里放了 .babelrc 文件没？

没的话，新建 .babelrc 文件，里面放入这一段了：

{ "presets": [ "es2015" ] }

然后再试试。