百度地圖獲取經緯度邊界資訊
阿新 • • 發佈：2018-12-18
<!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="重慶市"> <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: "#ff0000"}); //建立多邊形覆蓋物 map.addOverlay(ply); //新增覆蓋物 map.setViewport(ply.getPath()); //調整視野 } }); } </script> </body> </html>