先上代码
<!--
* @Description: In User Settings Edit
* @Author: shundong
* @Date: 2019-10-08 09:36:18
* @LastEditTime: 2019-10-08 10:05:23
* @LastEditors: Please set LastEditors
-->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>获取地区轮廓线</title>
<script type="text/javascript"
src="http://api.map.baidu.com/api?v=2.0&ak=62O7vRWrqkU0b3b4pD5L9g9tpzZdVujc"></script>
<style type="text/css">
* {
padding: 0;
margin: 0;
}
body,
html,
#container {
100%;
height: 100%;
overflow: hidden;
margin: 0;
font-family: "微软雅黑";
}
</style>
</head>
<body>
<div id="container"></div>
<script type="text/javascript">
// 创建Map实例
var map = new BMap.Map("container", {});
// 初始化地图,设置中心点坐标和地图级别
map.centerAndZoom(new BMap.Point(112.00, 27.73), 8);
map.enableScrollWheelZoom();
//加载颜色
madeBoundary();
// 遍历通过 百度的 Boundary工具类拿到边界坐标
function madeBoundary() {
var datas = new Array("株洲-red", "衡阳-#a6fa68", "湘潭-#f639a8", "邵阳-#20b832", "岳阳-#f4e53c", "常德-rgba(68,159,209,.2)", "张家界-#5fd5b5", "益阳-#ddf50f", "郴州-#73be97", "永州-#1212ba", "怀化-#1bec73", "湘西土家族苗族自治州-#afb8e1", "娄底市-#d28e52", "长沙市-#fc7743");
var bdary = new BMap.Boundary();
for (var i = 0; i < datas.length; i++) {
getBoundary(datas[i], bdary);
}
}
function getBoundary(data, bdary) {
data = data.split("-");
bdary.get(data[0], function (rs) { //获取行政区域
var count = rs.boundaries.length; //行政区域的点有多少个
var pointArray = [];
for (var i = 0; i < count; i++) {
var ply = new BMap.Polygon(rs.boundaries[i], { strokeWeight: 2, strokeColor: "#ff0000", fillOpacity: 0.5, fillColor: data[1] }); //建立多边形覆盖物
map.addOverlay(ply); //添加覆盖物
}
})
}
</script>
</body>
</html>
