vue 全局挂载组件

  <!-- plugin.js -->
  import someComponent  from './components/someComponent'
  export default {
    install(Vue) {
        let componentList=[someComponent  ]
        componentList.forEach(item=>{
          Vue.component(item.name, item)
        })
    }
  }

  <!-- main.js -->
  import plug from './plugin'
  Vue.use(plug)