如何将百度地图包装成Vue的组件的方法步骤

<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=piXQ5CgHFqEefqCVbhhBFfe6HjF7l4zW "></script>

externals: {  "BMap": "BMap" }, 

<!-- 页面模版 --><template> <div>  <!--header-->  <com-header :title="headerData.title" :toLink="headerData.toLink"></com-header>  <!--header end-->   <!--container-->  <div id="allmap"       style="        width: 100%;         height:200px;         border: 1px solid gray;        overflow:hidden;">    </div>  <!--container end--> </div></template><script>import comHeader from 'components/comHeader'import BMap from 'BMap'export default { components: {  comHeader }, data: () => ({  headerData: {   title: '网点详情',   toLink: '/SalesOutlets'  } }), created () {  // 组件创建完后获取数据，这里和1.0不一样，改成了这个样子  this.loadMap()  // this.ready() // 如果在此处直接调用this.ready()方法，将无法加载地图 }, mounted () {  this.ready() }, methods: {  loadMap: function () {   console.log(this.$route.params.name)   console.log(this.$route.params.addr)   console.log(this.$route.params.phone)   // setTimeout(this.ready, 0)  },  ready: function () {   var map = new BMap.Map('allmap')   map.enableScrollWheelZoom(true)   console.log(map)    var localSearch = new BMap.LocalSearch(map)   // localSearch.enableAutoViewport() // 允许自动调节窗体大小   map.clearOverlays() // 清空原来的标注   localSearch.setSearchCompleteCallback(function (searchResult) {    var poi = searchResult.getPoi(0)    map.centerAndZoom(poi.point, 20)    var point = new BMap.Point(poi.point.lng, poi.point.lat)    var marker = new BMap.Marker(point) // 创建标注，为要查询的地方对应的经纬度    map.addOverlay(marker)   })   localSearch.search(this.$route.params.addr)  } }}</script><style> /* 去掉地图左下角的百度LOGO */ .anchorBL {  display:none }</style>

<b-map-component></b-map-component>