先來看效果吧：
全部代碼都在這裏了…
<!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">
body, html {width: 100%;height: 100%;margin:0;font-family:"微軟雅黑";}
#allmap{width:100%;height:500px;}
p{margin-left:5px; font-size:14px;}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=VWaNfQyFKkeNP1g148zuNeul"></script>
<title>百度地圖圓形區域搜索</title>
</head>
<body>
<div id="allmap"></div>
<p>look</p>
<div id="r-result"></div>
</body>
</html>
<script type="text/javascript">
//搜索範圍
var radius = 1500;
var map = new BMap.Map("allmap");
//中心點
var mPoint = new BMap.Point(121.483226,31.260092);
map.enableScrollWheelZoom();
map.centerAndZoom(mPoint,14);//縮放級別
//畫個圈圈
var circle = new BMap.Circle(mPoint,radius,{fillColor:"blue", strokeWeight: 1 ,fillOpacity: 0.3, strokeOpacity: 0.3});
map.addOverlay(circle);
//搜半徑內的地鐵站
var local = new BMap.LocalSearch(map, {renderOptions: {map: map, autoViewport: false,panel: "r-result"}});
local.searchNearby('地鐵站',mPoint,radius);
</script>
如果喜歡作者的話，可以評論下，謝謝！