去webpack.base.js配置
resolve: {
extensions: [‘.js‘, ‘.vue‘, ‘.json‘],
alias: {
‘vue$‘: ‘vue/dist/vue.esm.js‘,
‘@‘: resolve(‘src‘),
‘components‘:path.resolve(__dirname,‘../src/components‘),
‘common‘:path.resolve(__dirname,‘../src/common‘)
}
原文：http://www.cnblogs.com/norm/p/7349278.html