<!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" />
<style type="text/css">
#allmap {width: 100%;height: 500px;}
#dian{
width:100%;
height:300px;
}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=1nCQCnDr3Nt3GKDVeBmKGe2Y"></script>
<title>添加多个标注点</title>
</head>
<body>
<div id="allmap"></div>
<div id="dian"></div>
</body>
</html>
<script type="text/javascript">
// 百度地图API功能
var map = new BMap.Map("allmap");
var point = new BMap.Point(117.3274264300911,39.231112744878835);
map.centerAndZoom(point, 15);
//创建小狐狸
var pt = new BMap.Point(117.3274264300911,39.231112744878835);
var myIcon = new BMap.Icon("http://lbsyun.baidu.com/jsdemo/img/fox.gif", new BMap.Size(300,157));
// 编写自定义函数,创建标注
function addMarker(pt){
var marker = new BMap.Marker(pt,{icon:myIcon}); // 创建标注
map.addOverlay(marker); // 将标注添加到地图中
}
// 随机向地图添加25个标注
var bounds = map.getBounds();
var sw = bounds.getSouthWest();
var ne = bounds.getNorthEast();
var lngSpan = Math.abs(sw.lng - ne.lng);
var latSpan = Math.abs(ne.lat - sw.lat);
var arr = [];
x = sw.lng;
y = ne.lat;
for (var i = 0; i < 25; i ++) {
var m = (Math.random().toFixed())
if(m==1) plus=-1;else plus=1;
x = x+ lngSpan * (Math.random() * 0.01*plus);
y = y - latSpan * (Math.random() * 0.01*plus)
var point = new BMap.Point(x, y);
arr.push({longitude:x,latitude:y})
addMarker(point);
}
var newdiv = document.getElementById("dian");
newdiv.innerHTML = JSON.stringify(arr)
</script>
百度地图基于一个座标获取随机位置模拟走路线路座标
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