百度地图不用手动描点获取行政区域边界

来源：互联网发布：车载灭火器知乎编辑：程序博客网时间：2024/05/01 10:17

百度API示例地址：http://developer.baidu.com/map/jsdemo.htm#c1_10

<!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}#container{width:800px;height:500px;border:1px solid gray;margin:auto auto;}#controler {text-align:center;margin-top:30px;}</style></head><body><div id="container"></div><div id="controler">输入省、直辖市或县名称：<input type="text" id="districtName" style="width:80px" value="合肥市"><input type="button" onclick="getBoundary()" value="获取轮廓线"></div><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>

原文：http://www.cnblogs.com/milkmap/archive/2012/04/11/2442430.html