tianyunperfect
/
web-base--


			
				
					
						
						
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							<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>获取行政区域边界坐标</title>
    <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=WMYeXwq7z0VcaiUXTuYTGPZsm8Selmfd"></script>
</head>
<body>
<div id="container" style="top: 30px;width: 100%;height: 100%;overflow: hidden;position: absolute;"></div>
输入省、直辖市或县名称：
<input type="text" id="districtName" style="width:200px" value="重庆市"/>
<input type="button" id="getButton" name="getButton" 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), 9);

    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

                console.log("当前辖区坐标：" + name);
                console.log(rs.boundaries[i]);

                map.addOverlay(ply);  //添加覆盖物

                map.setViewport(ply.getPath());    //调整视野

            }

        });

    }
</script>
</body>
</html>