<!doctype html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
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<title>标注和标注图层-海量点</title>
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<link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css" />
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<script src="../js/base64.js"></script>
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<style>
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html, body, #container {
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height: 100%;
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width: 100%;
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margin: 0;
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}
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.amap-info-window {
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width: 150px;
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background: #fff;
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border-radius: 3px;
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padding: 3px 7px;
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box-shadow: 0 2px 6px 0 rgba(114, 124, 245, .5);
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position: relative;
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}
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.amap-info-sharp {
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position: absolute;
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top: 21px;
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bottom: 0;
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left: 50%;
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margin-left: -8px;
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border-left: 8px solid transparent;
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border-right: 8px solid transparent;
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border-top: 8px solid #fff;
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}
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</style>
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</head>
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<body>
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<div id="container"></div>
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<div class="info">
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海量点展示: 30000
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</div>
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<script type="text/javascript"
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src="https://webapi.amap.com/maps?v=2.0&key=3627ed9deaac2622e26a7169f0c36b1b"></script>
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<script type="text/javascript" src="https://a.amap.com/jsapi_demos/static/demo-center/data/mock_position.js"></script>
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<script type="text/javascript">
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var map = new AMap.Map('container', {
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zoom: 9,
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viewMode: '3D',
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center: [116.12, 40.11],
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mapStyle: 'amap://styles/whitesmoke',
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showLabel: false,
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showIndoorMap: false,
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});
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map.on('complete', function () {
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// 创建 AMap.LabelsLayer 图层
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var layer = new AMap.LabelsLayer({
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zooms: [3, 20],
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zIndex: 1000,
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collision: false
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});
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// 将图层添加到地图
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map.add(layer);
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var markers = [];
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var positions = Positions.slice(0, 3E4);
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var icon = {
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type: 'image',
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image: sign_type_base64.FirePool,
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//image:'https://webapi.amap.com/theme/v1.3/markers/n/mark_b.png',
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size: [24, 24],
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anchor: 'bottom-center',
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};
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for (var i = 0; i < positions.length; i++) {
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var curPosition = positions[i];
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var curData = {
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position: curPosition,
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icon
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};
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var labelMarker = new AMap.LabelMarker(curData);
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markers.push(labelMarker);
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// 给marker绑定事件
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labelMarker.on('mouseover', function (e) {
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var position = e.data.data && e.data.data.position;
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if (position) {
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normalMarker.setContent(
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'<div class="amap-info-window">'
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+ position +
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'<div class="amap-info-sharp"></div>' +
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'</div>');
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normalMarker.setPosition(position);
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map.add(normalMarker);
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}
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});
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labelMarker.on('mouseout', function () {
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map.remove(normalMarker);
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});
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}
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// 一次性将海量点添加到图层
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layer.add(markers);
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// 普通点
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var normalMarker = new AMap.Marker({
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anchor: 'bottom-center',
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offset: [0, -15],
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});
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});
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</script>
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</body>
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</html>
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