JavascriptAPI
http://lbsyun.baidu.com/index.php?title=jspopular3.0
mapV
https://mapv.baidu.com/
https://mapv.baidu.com/examples/#baidu-map-point-heatmap.html
javascriptAPI v3.0类参考
http://lbsyun.baidu.com/cms/jsapi/reference/jsapi_reference_3_0.html
拾取坐标
http://api.map.baidu.com/lbsapi/getpoint/index.html
Helloword
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Hello, World</title>
<style type="text/css">
html{height:100%}
body{height:100%;margin:0px;padding:0px}
#container{height:100%}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=3.0&ak=您的密钥">
//v3.0版本的引用方式：src="http://api.map.baidu.com/api?v=3.0&ak=您的密钥"
</script>
</head>
<body>
<div id="container"></div>
<script type="text/javascript">
var map = new BMap.Map("container");
// 创建地图实例
var point = new BMap.Point(116.404, 39.915);
// 创建点坐标
map.centerAndZoom(point, 15);
// 初始化地图，设置中心点坐标和地图级别
</script>
</body>
</html>