百度地图基于一个坐标获取随机位置模拟走路线路坐标

    技术2022-07-15  50

    <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> <style type="text/css"> #allmap {width: 100%;height: 500px;} #dian{ width:100%; height:300px; } </style> <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=1nCQCnDr3Nt3GKDVeBmKGe2Y"></script> <title>添加多个标注点</title> </head> <body> <div id="allmap"></div> <div id="dian"></div> </body> </html> <script type="text/javascript"> // 百度地图API功能 var map = new BMap.Map("allmap"); var point = new BMap.Point(117.3274264300911,39.231112744878835); map.centerAndZoom(point, 15);   //创建小狐狸 var pt = new BMap.Point(117.3274264300911,39.231112744878835); var myIcon = new BMap.Icon("http://lbsyun.baidu.com/jsdemo/img/fox.gif", new BMap.Size(300,157)); // 编写自定义函数,创建标注 function addMarker(pt){   var marker = new BMap.Marker(pt,{icon:myIcon});   // 创建标注   map.addOverlay(marker);                             // 将标注添加到地图中 } // 随机向地图添加25个标注 var bounds = map.getBounds(); var sw = bounds.getSouthWest(); var ne = bounds.getNorthEast(); var lngSpan = Math.abs(sw.lng - ne.lng); var latSpan = Math.abs(ne.lat - sw.lat); var arr = []; x = sw.lng; y = ne.lat; for (var i = 0; i < 25; i ++) { var m = (Math.random().toFixed()) if(m==1) plus=-1;else plus=1; x = x+ lngSpan * (Math.random() * 0.01*plus); y = y - latSpan * (Math.random() * 0.01*plus) var point = new BMap.Point(x, y); arr.push({longitude:x,latitude:y}) addMarker(point); } var newdiv = document.getElementById("dian"); newdiv.innerHTML = JSON.stringify(arr) </script>
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