高德地图API,获取和设置zoom级别和中心点

高德地图API,获取和设置zoom级别和中心点

双击可以调整高德地图的级别

zoom 改变初始地图的级别,zoom值越高,相当于鼠标双击放大,内容越详细,范围越小

center 改变初始地图的中心点,是一个数组,包含经纬度

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>map</title>
    <script type="text/javascript" src="https://webapi.amap.com/maps?v=1.4.15&key=ce3b1a3a7e67fc75810ce1ba1f83c01a"></script> 
    <style>
        *{margin:0;padding:0;}
        #container {width:100%; height: 100%;top:0;left:0;position: absolute; }  
    </style>
</head>
<body>
    <div id="container"></div> 

    <script>
        new AMap.Map("container",{
            zoom:12,//初始化地图级别
            center:[120,30]//初始化地图中心点
        });    
    </script>    
</body>
</html>

 

getZoom() 获取级别

getCenter()   getCenter().toString() 获取中心点

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>map</title>
    <script type="text/javascript" src="https://webapi.amap.com/maps?v=1.4.15&key=ce3b1a3a7e67fc75810ce1ba1f83c01a"></script> 
    <style>
        *{margin:0;padding:0;}
        #container {width:100%; height: 100%;top:0;left:0;position: absolute; }  
    </style>
</head>
<body>
    <div id="container"></div> 

    <script>
        var map=new AMap.Map("container");    
        console.log(map.getZoom());//获取级别
        console.log(map.getCenter());//获取中心点
        console.log(map.getCenter().toString());
    </script>    
</body>
</html>

 

 

on("moveend")  监听移动停止事件

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>map</title>
    <script type="text/javascript" src="https://webapi.amap.com/maps?v=1.4.15&key=ce3b1a3a7e67fc75810ce1ba1f83c01a"></script> 
    <style>
        *{margin:0;padding:0;}
        #container {width:100%; height: 100%;top:0;left:0;position: absolute; }  
    </style>
</head>
<body>
    <div id="container"></div> 

    <script>
        var map=new AMap.Map("container");    

        map.on("moveend",function(){
            console.log(map.getZoom());//获取级别
            console.log(map.getCenter().toString());//获取中心点            
        })
        
    </script>    
</body>
</html>

 

 

on("zoomend")  双击结束事件,改变级别事件

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>map</title>
    <script type="text/javascript" src="https://webapi.amap.com/maps?v=1.4.15&key=ce3b1a3a7e67fc75810ce1ba1f83c01a"></script> 
    <style>
        *{margin:0;padding:0;}
        #container {width:100%; height: 100%;top:0;left:0;position: absolute; }  
    </style>
</head>
<body>
    <div id="container"></div> 

    <script>
        var map=new AMap.Map("container");    

        map.on("zoomend",function(){
            console.log(map.getZoom());//获取级别
            console.log(map.getCenter().toString());//获取中心点            
        })
        
    </script>    
</body>
</html>

 

 

setZoom() 设置地图级别

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>map</title>
    <script type="text/javascript" src="https://webapi.amap.com/maps?v=1.4.15&key=ce3b1a3a7e67fc75810ce1ba1f83c01a"></script> 
    <style>
        *{margin:0;padding:0;}
        #container {width:100%; height: 100%;top:0;left:0;position: absolute; }  
    </style>
</head>
<body>
    <div id="container"></div> 

    <script>
        var map=new AMap.Map("container");    

        //设置地图级别
        setTimeout(function(){
            map.setZoom(15);
        },3000);
        
    </script>    
</body>
</html>

 

通过事件设置zoom

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>map</title>
    <script type="text/javascript" src="https://webapi.amap.com/maps?v=1.4.15&key=ce3b1a3a7e67fc75810ce1ba1f83c01a"></script> 
    <style>
        *{margin:0;padding:0;}
        #container {width:100%; height: 100%;top:0;left:0;position: absolute; }  
        #setZoomNode{width:300px;height:100px;background-color: #fff;border:1px solid;box-shadow:0 0 5px #000;top:20px;right:20px;position: absolute;}
    </style>
</head>
<body>
    <div id="container"></div> 
    <div id="setZoomNode">
        <input type="text" id="zoomVal">
        <button id="zoomBtn">设置zoom</button>
    </div>

    <script>
        var map=new AMap.Map("container");    

        //设置地图级别

        zoomBtn.onclick=function(){
            map.setZoom(zoomVal.value);
        }
        
    </script>    
</body>
</html>

 

 

setCenter([ ]) 设置地图中心点

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>map</title>
    <script type="text/javascript" src="https://webapi.amap.com/maps?v=1.4.15&key=ce3b1a3a7e67fc75810ce1ba1f83c01a"></script> 
    <style>
        *{margin:0;padding:0;}
        #container {width:100%; height: 100%;top:0;left:0;position: absolute; }  
        #setZoomNode{width:300px;height:100px;background-color: #fff;border:1px solid;box-shadow:0 0 5px #000;top:20px;right:20px;position: absolute;}
    </style>
</head>
<body>
    <div id="container"></div> 

    <script>
        var map=new AMap.Map("container");    

        //设置地图中心点
        setTimeout(function(){
            map.setCenter([121.11,30]);
        },1000);

        
    </script>    
</body>
</html>

 

通过事件设置地图中心点

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>map</title>
    <script type="text/javascript" src="https://webapi.amap.com/maps?v=1.4.15&key=ce3b1a3a7e67fc75810ce1ba1f83c01a"></script> 
    <style>
        *{margin:0;padding:0;}
        #container {width:100%; height: 100%;top:0;left:0;position: absolute; }  
        #setCenterNode{width:300px;height:100px;background-color: #fff;border:1px solid;box-shadow:0 0 5px #000;top:20px;right:20px;position: absolute;}
    </style>
</head>
<body>
    <div id="container"></div> 
    <div id="setCenterNode">
        x <input type="text" id="xVal"><br>
        y <input type="text" id="yVal"><br>
        <button id="btn">设置中心点</button>
    </div>

    <script>
        var map=new AMap.Map("container");    

        //设置地图中心点
        btn.onclick=function(){
            map.setCenter([xVal.value,yVal.value]);
        }
        
    </script>    
</body>
</html>

 

 

setZoomAndCenter  同时设置zoom和center

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>map</title>
    <script type="text/javascript" src="https://webapi.amap.com/maps?v=1.4.15&key=ce3b1a3a7e67fc75810ce1ba1f83c01a"></script> 
    <style>
        *{margin:0;padding:0;}
        #container {width:100%; height: 100%;top:0;left:0;position: absolute; }  
        #setZoomNode{width:300px;height:100px;background-color: #fff;border:1px solid;box-shadow:0 0 5px #000;top:20px;right:20px;position: absolute;}
    </style>
</head>
<body>
    <div id="container"></div> 
    <div id="setZoomNode">
        级别 <input type="text" id="zoomVal"><br>
        中心点x <input type="text" id="xVal"><br>
        中心点y <input type="text" id="yVal"><br>
        <button id="btn">设置中心点和zoom</button>
    </div>

    <script>
        var map=new AMap.Map("container");    

        //设置地图中心点
        btn.onclick=function(){
            map.setZoomAndCenter(zoomVal.value,[xVal.value,yVal.value]);
        }
        
    </script>    
</body>
</html>