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<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">
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<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>
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