百度地图API获取当前位置

一时失言乱红尘 2023-10-11 15:03 34阅读 0赞

异步加载获取当前位置

//百度地图API功能
        function loadJScript() {
            var script = document.createElement("script");
            script.type = "text/javascript";
            script.src = "http://api.map.baidu.com/api?v=2.0&ak=xxx&callback=init";
            document.body.appendChild(script);
        }
    
    
        function init() {
            var longitude =118.7029550000;//经度
            var latitude =32.1632910000;//纬度
            var map = new BMap.Map("allmap");            // 创建Map实例
            var point = new BMap.Point(114.3115860000,30.5984670000); // 创建点坐标
            map.centerAndZoom(point,15);
    
    
            if( longitude!= "" && latitude!= ""){
                map.clearOverlays();
                var new_point = new BMap.Point(longitude,latitude);
                map.centerAndZoom(new_point, 15);
                //var marker = new BMap.Marker(new_point);  // 创建标注
    
                var myIcon = new BMap.Icon("../images/dw_icon.png", new BMap.Size(26,77));
                var marker2 = new BMap.Marker(new_point,{icon:myIcon});
                map.addOverlay(marker2);              // 将标注添加到地图中
    
                map.panTo(new_point);
    
                //获取当前位置
                var geolocation = new BMap.Geolocation();
                geolocation.getCurrentPosition(function(){
                    if(this.getStatus() == BMAP_STATUS_SUCCESS){
                        getAddress(new_point);
                        console.log(BMAP_STATUS_SUCCESS)
                    }else {
                        alert('failed'+this.getStatus());
                    }
                });
                //获取地址信息，设置地址label
                function getAddress(point){
                    console.log(point);
                    var gc = new BMap.Geocoder();
                    gc.getLocation(point, function(rs){
                        var addComp = rs.addressComponents;
                        var address =  addComp.province +  addComp.city + addComp.district + addComp.street + addComp.streetNumber;//获取地址
                        console.log(address);
                    });
                }
    
            }
    
    
    
    
        }
    
        window.onload = loadJScript;  //异步加载地图

获取当前位置