<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>獲取地區輪廓線</title>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=1.3">
</script>
<style type="text/css">
body{font-size:13px;margin:10px}
#container{width:800px;height:500px;border:1px solid gray}
</style>
</head>
<body>
<div id="container"></div>
<br />
輸入省、直轄市或縣名稱：<input type="text" id="districtName" style="width:80px" value="尤溪">
<input type="button" onclick="getBoundary()" value="獲取輪廓線">
<script type="text/javascript">
var map = new BMap.Map("container");
map.centerAndZoom(new BMap.Point(116.403765, 39.914850), 5);
map.addControl(new BMap.NavigationControl({type: BMAP_NAVIGATION_CONTROL_SMALL}));
map.enableScrollWheelZoom();
function getBoundary(){
var bdary = new BMap.Boundary();
var name = document.getElementById("districtName").value;
bdary.get(name, function(rs){ //獲取行政區域
map.clearOverlays(); //清除地圖覆蓋物
var count = rs.boundaries.length; //行政區域的點有多少個
for(var i = 0; i < count; i++){
var ply = new BMap.Polygon(rs.boundaries[i], {strokeWeight: 2, strokeColor: "#a7c0df"}); //建立多邊形覆蓋物
map.addOverlay(ply); //添加覆蓋物
map.setViewport(ply.getPath()); //調整視野
}
});
}
</script>
</body>
</html>
效果如下：
