百度地图API示例之设置级别setZoom与禁止拖拽disableDragging
设置级别
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
body, html {width: 100%;height: 100%;margin:0;font-family:"微软雅黑";}
#allmap{width:100%;height:500px;}
p{margin-left:5px; font-size:14px;}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=sSelQoVi2L3KofLo1HOobonW"></script>
<title>缩放地图</title>
</head>
<body>
<div id="allmap"></div>
<p>初始化展示中心点为（116.4035,39.915），缩放级别为8的北京市地图，2秒后，通过设置缩放级别将地图放大到14级</p>
</body>
</html>
<script type="text/javascript">
// 百度地图API功能
var map = new BMap.Map("allmap");
//map.centerAndZoom(new BMap.Point(116.4035,39.915),8);
map.centerAndZoom('宿迁',8);
setTimeout(function(){
map.setZoom(14); // setZoom 方法，负责设置级别，只有停留几秒，才能看到效果
}, 2000); //2秒后放大到14级
map.enableScrollWheelZoom(true);
</script>
禁止拖拽
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=sSelQoVi2L3KofLo1HOobonW"></script>
<title>拖拽地图</title>
</head>
<body>
<div id="allmap"></div>
</body>
</html>
<script type="text/javascript">
// 百度地图API功能
var map = new BMap.Map("allmap"); // 创建Map实例
map.centerAndZoom(new BMap.Point(116.4035,39.915),8); //初始化时，即可设置中心点和地图缩放级别。
map.enableScrollWheelZoom(true);
map.disableDragging(); //禁止拖拽
setTimeout(function(){
map.enableDragging(); //两秒后开启拖拽
//map.enableInertialDragging(); //两秒后开启惯性拖拽
}, 2000);
</script>