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>