1、安装依赖npm i less less-loader -D2、暴露配置文件使用create-react-app 创建的项目默认是看不到webpack配置文件的，需要先暴露出来，然后才能修改里面的配置信息。npm run eject3、配置less打开webpack.config.js，搜索oneOf，并在数组中添加以下配置{test: /\.less$/,use: [{loader: 'sty

报错信息：vue.runtime.esm.js?2b0e:619 [Vue warn]: Unknown custom element:- did you register the component correctly? For recursive components, make sure to provide the “name” option.找原因：查了很多，大多数都是说componen

报错信息：vue.runtime.esm.js?2b0e:619 [Vue warn]: Unknown custom element:- did you register the component correctly? For recursive components, make sure to provide the “name” option.找原因：查了很多，大多数都是说componen