[https://www.webpackjs.com/loaders/less-loader/](https://link.segmentfault.com/?enc=ed6ry7Y8ekKFR537f3L%2BpA%3D%3D.fnFdcVMWAD5fiJRQFDmYpBOAH6i4giboAxYGpYnX9DQKNR7vOLTxwAysjhYw58VT) webpack.config.js中没有配置less格式的,加上就行了 module.exports = { module: { rules: [ { test: /\.less$/i, use: [ // compiles Less to CSS 'style-loader', 'css-loader', 'less-loader', ], }, ], }, };