高德地图 JS API示例-覆盖物- › 点标记-› 载海量点

<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
    <title>海量点</title>
    <link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css"/>
    <style>
        html, body, #container {
            height: 100%;
            width: 100%;
        }

        .input-card .btn {
            margin-right: 1.2rem;
            width: 9rem;
        }

        .input-card .btn:last-child {
            margin-right: 0;
        }
    </style>
</head>
<body>
<div id="container" class="map" tabindex="0"></div>
<div class="input-card">
    <h4>海量点效果切换</h4>
    <div class="input-item">
        <input type="button" class="btn" value="单一图标" onclick='setStyle(0)'/>
        <input type="button" class="btn" value="多个图标" onclick='setStyle(1)'/>
    </div>
</div>
<script type="text/javascript" src='https://a.amap.com/jsapi_demos/static/citys.js'></script>
<script type="text/javascript"
        src="https://webapi.amap.com/maps?v=1.4.15&key=您申请的key值"></script>
<script type="text/javascript">
    var map = new AMap.Map('container', {
        zoom: 4,
        center: [102.342785, 35.312316]
    });

    var style = [{
        url: 'https://a.amap.com/jsapi_demos/static/images/mass0.png',
        anchor: new AMap.Pixel(6, 6),
        size: new AMap.Size(11, 11)
    }, {
        url: 'https://a.amap.com/jsapi_demos/static/images/mass1.png',
        anchor: new AMap.Pixel(4, 4),
        size: new AMap.Size(7, 7)
    }, {
        url: 'https://a.amap.com/jsapi_demos/static/images/mass2.png',
        anchor: new AMap.Pixel(3, 3),
        size: new AMap.Size(5, 5)
    }
    ];

    var mass = new AMap.MassMarks(citys, {
        opacity: 0.8,
        zIndex: 111,
        cursor: 'pointer',
        style: style
    });

    var marker = new AMap.Marker({content: ' ', map: map});

    mass.on('mouseover', function (e) {

        marker.setPosition(e.data.lnglat);
        marker.setLabel({content: e.data.name})
    });

    mass.setMap(map);

    function setStyle(multiIcon) {
        if (multiIcon) {
            mass.setStyle(style);
        } else {
            mass.setStyle(style[2]);
        }
    }
</script>
</body>
</html>

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