main.js

import Vue from 'vue'
import App from './App.vue'
import router from './router'
import './styles/index.less'
// 加载组件库
import ElementUI from 'element-ui'
// 加载样式
import 'element-ui/lib/theme-chalk/index.css'
Vue.config.productionTip = false
// 注册组件库
Vue.use(ElementUI)
new Vue({router,render: h => h(App)
}).$mount('#app')

App.vue

<template><div id="app"><h1>黑马头条发布系统</h1><el-radio disabled v-model="radio" label="禁用">备选项</el-radio><el-radio disabled v-model="radio" label="选中且禁用">备选项</el-radio><router-view/></div>
</template>
<script>
export default {name: 'App'
}
</script>
<style lang="less"></style>

运行结果