<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title> New Document </title> <meta name="Generator" content="EditPlus"> <meta name="viewport" content="initial" <meta name="Author" content="initial-scale=1.0,user-scalable=no"> <meta name="Keywords" content=""> <meta name="Description" content=""> <!--设置样式，使地图充满整个浏览器窗口--> <style type="text/css"> html{height:100%} body{height:100%;margin:0px;padding:0px} #container{height:100%} </style> <!--引用百度地图的api，其中v代表版本--> <script type="text/javascript" src="http://api.map.baidu.com/api?v=1.2"></script> <script type="text/javascript" src="http://api.map.baidu.com/library/GeoUtils/1.2/src/GeoUtils_min.js"></script> <script type="text/javascript" src="markerclusterer.js"></script> </head> <body> <div id="container"></div><!--地图容器--> <script type="text/javascript"> //创建一个地图实例，参数可以是元素id也可以是元素对象，其中BMap是百度地图API里面的命名空间 var map = new BMap.Map("container"); map.centerAndZoom(new BMap.Point(116.404, 39.915),4);//创建一个坐标点，其中116表示经度，39表示纬度 //创建地图实例后，必须对其进行初始化，初始化后才能进行其它的操作，该方法设置中心点坐标和地图级别 //map.centerAndZoom(point,16); //启用轮滚进行放大缩小，默认为禁用 map.enableScrollWheelZoom(); //向地图添加控件 map.addControl(new BMap.NavigationControl());//平移缩放控件，默认在地图左上 //var marker=new BMap.Marker(point); //创建标注 var p1 = new BMap.Point(116.387452,39.947302); var p2 = new BMap.Point(116.361581,39.961129); var p3 = new BMap.Point(116.437901,39.960133); var p4 = new BMap.Point(116.459748,39.919528); var p5 = new BMap.Point(116.424247,39.939557); var p6 = new BMap.Point(116.485188,39.974511); var p7 = new BMap.Point(116.485188,39.974511); var p8 = new BMap.Point(116.494243,39.930484); var p9 = new BMap.Point(116.45328,39.884103); var p0 = new BMap.Point(116.456011,39.844671); var p11 = new BMap.Point(116.387165,39.850654); var p12 = new BMap.Point(116.461185,39.8975); var p13 = new BMap.Point(116.380122,39.87458); var p14 = new BMap.Point(116.354395,39.899825); var p15 = new BMap.Point(116.394495,39.887093); var p16 = new BMap.Point(116.30524,39.902482); var p17 = new BMap.Point(116.287992,39.937676); var p18 = new BMap.Point(116.277931,39.911116); var p19 = new BMap.Point(116.340166,39.929267); var p10 = new BMap.Point(116.290004,39.965885); var p21 = new BMap.Point(116.377535,39.966548); var p22 = new BMap.Point(116.423672,39.95239); var p23 = new BMap.Point(116.423672,39.95239); var p24 = new BMap.Point(116.300353,40.003146); var p25 = new BMap.Point(116.294172,39.982251); var p26 = new BMap.Point(116.313432,39.977497); var p27 = new BMap.Point(116.390183,39.983357); var p28 = new BMap.Point(116.390183,39.983357); var p29 = new BMap.Point(116.484469,39.943872); var p20 = new BMap.Point(116.509191,39.932586); var m1 = new BMap.Marker(p1); var m2 = new BMap.Marker(p2); var m3 = new BMap.Marker(p3); var m4 = new BMap.Marker(p4); var m5 = new BMap.Marker(p5); var m6 = new BMap.Marker(p6); var m7 = new BMap.Marker(p7); var m8 = new BMap.Marker(p8); var m9 = new BMap.Marker(p9); var m0 = new BMap.Marker(p0); var m11 = new BMap.Marker(p11); var m12 = new BMap.Marker(p12); var m13 = new BMap.Marker(p13); var m14 = new BMap.Marker(p14); var m15 = new BMap.Marker(p15); var m16 = new BMap.Marker(p16); var m17 = new BMap.Marker(p17); var m18 = new BMap.Marker(p18); var m19 = new BMap.Marker(p19); var m10 = new BMap.Marker(p10); var m21 = new BMap.Marker(p21); var m22 = new BMap.Marker(p22); var m23 = new BMap.Marker(p23); var m24 = new BMap.Marker(p24); var m25 = new BMap.Marker(p25); var m26 = new BMap.Marker(p26); var m27 = new BMap.Marker(p27); var m28 = new BMap.Marker(p28); var m29 = new BMap.Marker(p29); var m20 = new BMap.Marker(p20); var markers=[]; for(var i=0;i<100;i++){ var pt=new BMap.Point(Math.random()*40+85,Math.random()*30+21); var marker=new BMap.Marker(pt); markers.push(marker); } //var markers = [m1,m2,m3,m4,m5,m6,m7,m8,m9,m0,m11,m12,m13,m14,m15,m16,m17,m18,m19,m10,m21,m22,m23,m24,m25,m26,m27,m28,m29,m20]; function addMymarkers(){ for(i=0;i<markers.length;i++){ var result = BMapLib.GeoUtils.isPointInRect(markers[i].point,map.getBounds()); if(result == true){ map.addOverlay(markers[i]); }else{ map.removeOverlay(markers[i]); } } } //var markerClusterer = new MarkerClusterer(map, markers); map.addEventListener("tilesloaded", addMymarkers); map.addEventListener("zoomend", addMymarkers); map.addEventListener("moveend", addMymarkers); </script><div style="width:520px;height:340px;border:1px solid gray" id="container"></div> </body> </html>
