<!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" />
<script type="text/javascript" src="http://api.map.baidu.com/api?v=1.4"></script>
<script type="text/javascript" src="http://api.map.baidu.com/library/Heatmap/2.0/src/Heatmap_min.js"></script>
<title>热力图功能示例</title>
<style type="text/css">
ul, li {
list-style: none;
margin: 0;
padding: 0;
float: left;
}
html {
height: 100%;
}
body {
height: 100%;
margin: 0px;
padding: 0px;
font-family: "微软雅黑";
}
#container {
height: 500px;
width: 100%;
}
#r-result {
width: 100%;
}
</style>
</head>
<body>
<div : gradient });
}
//判断浏览区是否支持canvas
function isSupportCanvas() {
var elem = document.createElement('canvas');
return !!(elem.getContext && elem.getContext('2d'));
}
</script>
运行效果：