百度地图-多个坐标点显示
做项目的时候需要用到的功能,一个页面上,左边是各个地点,右边是地图,一开始把所有的点全都标注在地图上,点左边的每个地点后地图移动到以该点为中心,点击地图上的坐标点会显示出相关的信息,
对着百度地图的文档一点一点做出来了,先记下来,以作备用!!!
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>百度地图-多个坐标点一起显示</title> <style type="text/css"> #allmap {width: 100%;height: 600px;overflow: hidden;margin:0;font-family:"微软雅黑";} </style> </head> <body> <table style="width:100%"> <tr> <td style="width:250px;"> <ul> <li><a href="javascript:void(0)" onclick="to(116.404,39.915)">水厂1</a></li> <li><a href="javascript:void(0)" onclick="to(116.383752,39.91334)">水厂2</a></li> <li><a href="javascript:void(0)" onclick="to(116.384502,39.932241)">水厂3</a></li> </ul> </td> <td> <div id="allmap"></div> </td> </tr> </table> <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=SyRux96r0i0Xue1Qqp0ZPb4uCc8BC6Aw"></script> <script type="text/javascript"> // 百度地图API功能 var map = new BMap.Map("allmap"); var point = new BMap.Point(116.404, 39.915); map.centerAndZoom(point, 15); var json_data = [[116.404,39.915,'水厂1<br />地址:中华路1号'],[116.383752,39.91334,'水厂2<br />地址:兴宁路13号'],[116.384502,39.932241,'水厂3<br />地址:友爱路3-5号']]; var pointArray = new Array(); var opts = { width : 250, // 信息窗口宽度 height: 80, // 信息窗口高度 title : "" , // 信息窗口标题 enableMessage:true//设置允许信息窗发送短息 }; for(var i=0;i<json_data.length;i++){ var marker = new BMap.Marker(new BMap.Point(json_data[i][0], json_data[i][1])); // 创建点 map.addOverlay(marker); //增加点 pointArray[i] = new BMap.Point(json_data[i][0], json_data[i][1]); var content = json_data[i][2]; addClickHandler(content,marker); } //让所有点在视野范围内 map.setViewport(pointArray); function addClickHandler(content,marker){ marker.addEventListener("click",function(e){ openInfo(content,e)} ); } function openInfo(content,e){ var p = e.target; var point = new BMap.Point(p.getPosition().lng, p.getPosition().lat); var infoWindow = new BMap.InfoWindow(content,opts); // 创建信息窗口对象 map.openInfoWindow(infoWindow,point); //开启信息窗口 } //移动到某一坐标点 function to(x,y){ map.panTo(new BMap.Point(x,y)); } </script> </body> </html>
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