const componentsContext = require.context('./components', true, /Base[A-Z]\w+\.(vue|js)$/);
console.log('????',componentsContext,componentsContext.keys());
componentsContext.keys().forEach(component => {
    // 获取文件中的 default 模块
    const componentConfig = componentsContext(component).default;
    console.log(componentsContext(component).default);
    Vue.component(componentConfig.name, componentConfig)
})

import Vue from 'vue'
import pageHead from './components/page-head.vue'
Vue.component('page-head',pageHead)

<template>
  <view>
    <page-head></page-head>
    </view>
</template>