其他分享
首页 > 其他分享> > vue 百度地图定位

vue 百度地图定位

作者:互联网

具体引入上篇文章有提到

div:

  <div class="BaiDuMap">
        <baidu-map class="map-wrap" :center="mapData.center" :zoom="mapData.zoom" @ready="mapHandler" @click="getLocation">
                <bm-navigation anchor="BMAP_ANCHOR_TOP_LEFT"></bm-navigation>
                <bm-city-list anchor="BMAP_ANCHOR_TOP_RIGHT"></bm-city-list>
                <bm-geolocation anchor="BMAP_ANCHOR_BOTTOM_RIGHT" :showAddressBar="true" :autoLocation="true"></bm-geolocation>
        </baidu-map>

   </div>

 

data:

    address: null, // 地址信息
    businessDetail: {},  //商家信息(包含坐标信息)
            //地图数据
    mapData: {
           center: { lng: 0, lat: 0 },//中心坐标
           zoom: 18,    //缩放级别
         },
    BMap: null, //BMap类
    map: null,  //地图对象

 

methods:

       async mapHandler({ BMap, map }) {
            if (this.businessId) {
                //可以在此处请求接口获取坐标数据
                await this.getMallBusinessDetail()
            }

            this.BMap = BMap //保存百度地图类
            this.map = map //保存地图对象
            //如果一开始坐标存在(编辑的时候)
            if (this.businessDetail.longitude && this.businessDetail.latitude) {
                //设置坐标
                this.mapData.center.lng = this.businessDetail.longitude
                this.mapData.center.lat = this.businessDetail.latitude
            } else {
                //如果坐标不存在则动态获取当前浏览器坐标(创建的时候)
                let geolocation = new BMap.Geolocation()
                //获取当前的坐标(使用promise 将异步转换为同步)
                await new Promise((resolve) => {
                    geolocation.getCurrentPosition(() => {
                        // this.mapData.center.lng = this.businessDetail.longitude = r.point.lng
                        // this.mapData.center.lat = this.businessDetail.latitude = r.point.lat
                        this.mapData.center.lng = this.businessDetail.longitude = 103.1747
                        this.mapData.center.lat = this.businessDetail.latitude = 33.889 //这里的经纬度是固定的,没有动态获取,上面注释的两行是动态获取的
                        resolve()
                    })
                })
            }
            //创建定位标记
            let marker = new BMap.Marker(
                new BMap.Point(
                    this.businessDetail.longitude,
                    this.businessDetail.latitude
                )
            )
          
            map.addOverlay(marker)  //将标记添加到地图上
        },
        //在地图上选择区域
        getLocation(e) {
            this.businessDetail.longitude = e.point.lng  //设置经度
            this.businessDetail.latitude = e.point.lat  //设置纬度
            let BMapGL = this.BMap  //百度地图类
            let map = this.map//地图对象 
            map.clearOverlays()   //清除地图上所有的覆盖物(保证每次点击只有一个标记)
            //创建定位标记
            let marker = new BMapGL.Marker(new BMapGL.Point(e.point.lng, e.point.lat))   //将标记添加到地图上
            map.addOverlay(marker)      //创建坐标解析对象
            let geoc = new BMapGL.Geocoder()  //解析当前的坐标成地址
            geoc.getLocation(e.point, (rs) => {
                let addressComp = rs.addressComponents  //获取地址对象
                //拼接出详细地址
                this.businessDetail.address =
                    addressComp.province +
                    addressComp.city +
                    addressComp.district +
                    addressComp.street +
                    addressComp.streetNumber
            })
        },

 

效果:

 

标签:定位,vue,mapData,map,businessDetail,BMap,new,lng,百度
来源: https://www.cnblogs.com/CaraganaMicrophylla/p/16625331.html