【百度地图API】获取行政区域的边界
<!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>获取地区轮廓线</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}
body#container{width:800px;height:500px;border:1px solid gray}</style></head><body><div id="container"></div><br />输入省、直辖市或县名称：<input type="text" id="districtName" style="width:80px" value="重庆市"><input type="button" onclick="getBoundary()" value="获取轮廓线"><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){ //获取行政区域 map.clearOverlays(); //清除地图覆盖物 var count = rs.boundaries.length; //行政区域的点有多少个 for(var i = 0; i < count; i++){ var ply = new BMap.Polygon(rs.boundaries[i], {strokeWeight: 2, strokeColor: "#ff0000"}); //建立多边形覆盖物 map.addOverlay(ply); //添加覆盖物 map.setViewport(ply.getPath()); //调整视野 
} }); }
</script></body></html>
转自：http://www.cnblogs.com/milkmap/archive/2012/04/11/2442430.html
