(1)var polyline = new BMap.Polyline([new BMap.Point(X1,Y1),new BMap.Point(X2,Y2),new BMap.Point(X3,Y3)],{strokeColor:"blue", strokeWeight:6, strokeOpacity:0.5});
(2)map.addOverlay(polyline);
1 <html> 2 <head> 3 <!--引用百度地图--> 4 <script type="text/javascript" src="http://api.map.baidu.com/api?v=1.3"> 5 </script> 6 <title> 7 地图折线 8 </title> 9 <!-- 10 设计样式 11 container容器:占50%大小 12 --> 13 <style type="text/css"> 14 #container{ 15 width:50%; 16 height:50%; 17 } 18 </style> 19 </head> 20 <body> 21 <div id="container"></div> 22 <script type="text/javascript"> 23 var map = new BMap.Map("container");//在container容器中创建一个地图,参数container为div的id属性; 24 var point = new BMap.Point(116.404, 39.915);//定位 25 map.centerAndZoom(point,15); //将point移到浏览器中心,并且地图大小调整为15; 26 27 //标注 28 var marker = new BMap.Marker(point); 29 map.addOverlay(marker); 30 marker.addEventListener("click",function(){ //点击标注时出发事件 31 alert("您点击了标注"); 32 }); 33 marker.enableDragging(); //标注可拖拽 34 35 //创建信息窗口 36 var opts = { 37 width : 250, // 信息窗口宽度 38 height: 100, // 信息窗口高度 39 title : "Hello" // 信息窗口标题 40 } 41 var infoWindow = new BMap.InfoWindow("World", opts); // 创建信息窗口对象 42 map.openInfoWindow(infoWindow, map.getCenter()); // 打开信息窗口 43 44 //折线 45 var polyline = new BMap.Polyline([ 46 new BMap.Point(116.399, 39.910), 47 new BMap.Point(116.405, 39.920), 48 new BMap.Point(117.321,40.321) 49 ], 50 {strokeColor:"blue", strokeWeight:6, strokeOpacity:0.5} //蓝色、宽度为6 51 ); 52 map.addOverlay(polyline); 53 54 </script> 55 </body> 56 </html>