百度地图Api进阶教程-点击生成和拖动标注4.html

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>百度地图</title>


<script type="text/javascript">
    var iscreatr=false;
    function initialize() {
        //---------------------------------------------基础示例---------------------------------------------
        var map = new BMap.Map("allmap",{minZoom:12,maxZoom:20});            // 创建Map实例
        //map.centerAndZoom(new BMap.Point(116.4035,39.915),15);  //初始化时,即可设置中心点和地图缩放级别。
        map.centerAndZoom("成都",13);                     // 初始化地图,设置中心点坐标和地图级别。
        map.enableScrollWheelZoom(true);//鼠标滑动轮子可以滚动
        
        map.addEventListener("click", function(e){
            if(iscreatr==true)return;
            //---------------------------------------------遮盖物---------------------------------------------
            iscreatr=true;
             var point = new BMap.Point(e.point.lng ,e.point.lat);//默认
             // 创建标注对象并添加到地图  
             var marker = new BMap.Marker(point);  
             var label = new BMap.Label("我是可以拖动的",{offset:new BMap.Size(20,-10)});
             marker.setLabel(label)
             map.addOverlay(marker);  
             marker.enableDragging();    //可拖拽
             marker.addEventListener("dragend", function(e){ 
                    document.getElementById("r-result").innerHTML = e.point.lng + ", " + e.point.lat;//打印拖动结束坐标
             });
        });
    }
 
    function loadScript() {
       var script = document.createElement("script");
       script.src = "http://api.map.baidu.com/api?v=1.4&callback=initialize";
       document.body.appendChild(script);
    }
 
    window.onload = loadScript;
</script>


</head>
 <body>
    <div  >打印坐标</div>
    <div  ></div>
</body>
</html>

<script type="text/javascript">
    // 移动到某点 map.panTo(new BMap.Point(116.409, 39.918));  
     // map.setZoom(14);   //放到到14级
</script>