build/webpack.base.conf.js
把下面这段注释
const createLintingRule = () => ({
test: /\.(js|vue)$/,
loader: 'eslint-loader',
enforce: 'pre',
include: [resolve('src'), resolve('test')],
options: {
formatter: require('eslint-friendly-formatter'),
emitWarning: !config.dev.showEslintErrorsInOverlay
}
})
以及下面这行代码
...(config.dev.useEslint ? [createLintingRule()] : []),
重启项目 npm run dev
ok