var x = that.map.getCenter().lng;
var y =that.map.getCenter().lat;
var zoom =that.map.getZoom();
var point = new BMap.Point(x, y); // 创建点坐标
var x = that.map.getCenter().lng;
var y =that.map.getCenter().lat;
var zoom =that.map.getZoom();
var point = new BMap.Point(x, y); // 创建点坐标