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  • 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>

    根据实际情况来使用吧!

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  • 原文地址:https://www.cnblogs.com/jiqing9006/p/5002746.html
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