拾取坐标地址：http://api.map.baidu.com/lbsapi/getpoint/index.html
根据坐标绘制多边形区域：https://developer.baidu.com/map/jsdemo.htm#c2_9
将以下的代码复制在打开的地址的源代码编辑器里面运行，拉圈住的红色，把编辑拉开
<!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:"微软雅黑";}
#allmap {height:100%; width: 100%;}
#control{width:100%;}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=您的密钥"></script>
<title>设置线、面可编辑</title>
</head>
<body>
<div id="allmap"></div>
<div id="control">
<button onclick = "polyline.enableEditing();polygon.enableEditing();">开启线、面编辑功能</button>
<button onclick = "polyline.disableEditing();polygon.disableEditing();">关闭线、面编辑功能</button>
</div>
</body>
</html>
<script type="text/javascript">
// 百度地图API功能
var map = new BMap.Map("allmap");
map.centerAndZoom(new BMap.Point(108.948264,34.266454), 15);
map.enableScrollWheelZoom();
// 记得坐标要首尾一致，形成闭环
var polygon = new BMap.Polygon([
new BMap.Point(108.948148,34.266045),
new BMap.Point(108.948713,34.266876),
new BMap.Point(108.948148,34.266045)
], {strokeColor:"blue", strokeWeight:2, strokeOpacity:0.5}); //创建多边形
map.addOverlay(polygon); //增加多边形
</script>
#录入到mongodb数据库里面，Polygon是类比，表名是多边形区域【注意注意！！！多边形区域的点不可以相交，否则新增会失败】
db.t_test_place.insert({
xymc:"古都旅馆",
polygons:{
type:"Polygon",
coordinates:[[
[108.949077,34.266488],
[108.949203,34.266492],
[108.949212,34.266641],
[108.949239,34.266906],
[108.949163,34.266913],
[108.949104,34.266913],
[108.949082,34.266817],
[108.949086,34.266764],
[108.948916,34.266779],
[108.948889,34.266693],
[108.949077,34.266671],
[108.949068,34.266492],
[108.949095,34.266485],
[108.949077,34.266488]
]]
}
}
);
#查询以某个点为半径，方圆200米，涉及到的几何区域
db.t_test_place.find({ polygons:{ $geoWithin:{ $centerSphere: [ [ 108.947604,34.267749 ], 0.2 / 6378.1 ] } } })
#判断坐标是否在多边形区域，在的话就会返回数据，不在则返回空
db.t_test_place.find({xymc:"西安市第一中学",polygons:{$geoIntersects:{$geometry:{ "type" : "Point","coordinates" : [113.330908,23.155678] },}}});
标签：map,多边形,Point,mongodb,100%,BMap,new,绘制 From： https://www.cnblogs.com/shendidi/p/16897109.html