百度地图－自定义搜索、自定义marker、地图选址实用实例
该实例中包含地图自定义搜索、自定义标注marker、地图选址、鼠标样式修改、搜索周边接口等实用功能
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=1.3"></script>
<script type="text/javascript" src="jquery-1.7.2.js"></script>
<style>
#mapbox{width:850px;height:420px; position:absolute; background-color:#CCC; border:1px solid #9CF; font-size:12px;left:200px; top:50px;}
#mapbox #map{width:600px;height:400px; float:left;}
#mapbox #results{width:250px; margin-top:10px; float:right;}
.mapheader{ height:25px;width:250px; float:right; overflow:hidden;}
#mapbox h2{ margin:1px; padding-left:10px; height:20px; line-height:20px; font-size:12px; color:#0066CC; font-weight:100; background:#9CF; cursor:move}
#mapbox .close{ display:block; position:absolute; right:10px; top:0px; line-height:22px; text-decoration:none; color:#0000}
</style>
</head>
<body>
<div id="mapbox">
<h2 onmousedown="drag(this.parentNode,event)">百度地图<a href="javascript:" onclick="document.getElementById('map').style.display='none'" class="close">×</a></h2>
<div class="mapheader"><input type="text" id="searchtext" /><input type="button" value="搜索" id="searchbt" onclick="serachlocal()" />
</div>
<div id="map" style="cursor: crosshair;"></div>
<div id="results"></div>
<div id="mapx"></div>
<div id="mapy"></div>
<div id="level"></div>
</div>
<script type="text/javascript">
//显示一个对象的所有属性
function showAtrributes(event){
var out='';
for(var p in event){
if(typeof(p)!="function"){
out+=p+"="+event[p]+" ";
}
}
alert(out);
}
var key='F4bfb7ec82f386cf8541158ad5801138';
var map = new BMap.Map("map"); // 创建地图实例
var point = new BMap.Point(116.404, 39.915); // 创建点坐标
map.centerAndZoom(point, 15); // 初始化地图，设置中心点坐标和地图级别
/*
1.
NavigationControl：地图平移缩放控件，默认位于地图左上方，它包含控制地图的平移和缩放的功能。
OverviewMapControl：缩略地图控件，默认位于地图右下方，是一个可折叠的缩略地图。
ScaleControl：比例尺控件，默认位于地图左下方，显示地图的比例关系。
MapTypeControl：地图类型控件，默认位于地图右上方。
CopyrightControl：版权控件，默认位于地图左下方。
*/
//配置控件参数
//var opts = {type: BMAP_NAVIGATION_CONTROL_SMALL}
//map.addControl(new BMap.NavigationControl(opts));
map.addControl(new BMap.NavigationControl());
map.addControl(new BMap.ScaleControl());
//map.addControl(new BMap.OverviewMapControl());
//map.addControl(new BMap.MapTypeControl());
//map.setCurrentCity("台州");
map.setDefaultCursor("crosshair");
/*
var marker = new BMap.Marker(point); // 创建标注
map.addOverlay(marker);
var opts = {
//width : 250, // 信息窗口宽度
//height: 100, // 信息窗口高度
title : "Hello" // 信息窗口标题
}
var infoWindow = new BMap.InfoWindow("World", opts); // 创建信息窗口对象
map.openInfoWindow(infoWindow, map.getCenter()); // 打开信息窗口
*/
map.enableScrollWheelZoom();//滚轮缩放事件
//map.enableKeyboard(); //键盘方向键缩放事件
map.enableContinuousZoom(); // 开启连续缩放效果
//map.enableInertialDragging(); // 开启惯性拖拽效果
preMarker='';
//点击地图选址
map.addEventListener("click", function(e){ //点击事件
//alert(e.point.lng + ", " + e.point.lat);
if(!e.overlay){
document.getElementById("mapx").innerHTML="鼠标当前x位置:"+e.point.lng;
document.getElementById("mapy").innerHTML="鼠标当前y位置:"+e.point.lat;
document.getElementById("level").innerHTML="缩放等级:"+this.getZoom();
var targetUrl='http://api.map.baidu.com/geocoder/v2/?ak='+key+'&location='+e.point.lat+','+e.point.lng+'&output=json&pois=0';
$.ajax({
url:targetUrl,
type:"get",
async : false,
dataType:'jsonp',
beforeSend:function(){
//alert(targetUrl);
},
success:function(data,status){
//alert(status);
if(status=='success' && data.status==0){
//alert(JSON.stringify(data));
//location.href=a.attr("href");
var myIcon = new BMap.Icon("http://api.map.baidu.com/img/markers.png", new BMap.Size(23, 25), {
offset: new BMap.Size(10, 25), // 指定定位位置
imageOffset: new BMap.Size(0, 0 - 10 * 25) // 设置图片偏移
});
var marker=new BMap.Marker(e.point,{icon:myIcon});
map.removeOverlay(preMarker);
map.addOverlay(marker);
content="<div>地址:"+data.result.formatted_address+"</div>";
content+='<form action="around.php" method="post"><input type="hidden" name="lng" value="'+data.result.location.lng+'"><input type="hidden" name="lat" value="'+data.result.location.lat+'"><input type="submit" value="查看附近幼儿园"></form>';
var info=new BMap.InfoWindow(content);
marker.openInfoWindow(info);
preMarker=marker;
}
},
error:function(XMLHttpRequest, textStatus, errorThrown){
alert(XMLHttpRequest.status);
alert(XMLHttpRequest.readyState);
alert(textStatus);
alert(errorThrown);
}
});
}
});
map.addEventListener("dragend", function(){ //拖拽事件
var center = map.getCenter();
document.getElementById("mapx").innerHTML="拖拽后中心x位置:"+center.lng;
document.getElementById("mapy").innerHTML="拖拽后中心y位置:"+center.lat;
document.getElementById("level").innerHTML="缩放等级:"+this.getZoom();
//alert("地图中心点变更为：" + center.lng + ", " + center.lat);
});
map.addEventListener("zoomend", function(){ //缩放事件
//alert("地图缩放至：" + this.getZoom() + "级");
});
/*自定义搜索2*/
function serachlocal(){
var markerArray=new Array();
var typeArray=new Array('','－公交站','','－地铁站');
var local = new BMap.LocalSearch(map, {
renderOptions: {
map: map,
//panel: "results",//结果容器id
autoViewport: true, //自动结果标注
selectFirstResult: false //不指定到第一个目标
},
pageCapacity: 8,
//自定义marker事件
onMarkersSet:function(pois){
for(var i=0;i<pois.length;i++){
(function(){
var index=i;
var curPoi=pois[i];
var curMarker=pois[i].marker;
markerArray[i]=curMarker;
content="<h3>"+curPoi.title+typeArray[curPoi.type]+"</h3>";
content+="<div>地址:"+curPoi.address+"</div>";
content+='<form action="around.php" method="post"><input type="hidden" name="lng" value="'+curPoi.point.lng+'"><input type="hidden" name="lat" value="'+curPoi.point.lat+'"><input type="submit" value="查看附近幼儿园"></form>';
curMarker.addEventListener('click',function(event){
//showAtrributes(event);
var info=new BMap.InfoWindow(content);
curMarker.openInfoWindow(info);
var position=curMarker.getPosition();
document.getElementById("mapx").innerHTML="拖拽后中心x位置:"+position.lng;
document.getElementById("mapy").innerHTML="拖拽后中心y位置:"+position.lat;
//document.getElementById("level").innerHTML="缩放等级:"+this.getZoom();
});
})();
}
},
//自定义搜索回调数据
onSearchComplete:function(results){
if(local.getStatus() == BMAP_STATUS_SUCCESS){
var html='<ol style="list-style: none outside none; padding: 0px; margin: 0px;">';
for(var i=0;i<results.getCurrentNumPois();i++){
var poi=results.getPoi(i);
var bYposition=2-i*20;
html+='<li id="poi'+i+'" index="'+i+'" style="margin: 2px 0px; padding: 0px 5px 0px 3px; cursor: pointer; overflow: hidden; line-height: 17px;">';
html+='<span style="background:url(http://api.map.baidu.com/bmap/red_labels.gif) 0 '+bYposition+'px no-repeat;padding-left:10px;margin-right:3px"></span>'
html+='<span style="color:#00c;text-decoration:underline"><b>'+poi.title+'</b>'+typeArray[poi.type]+'</span>';
html+='<span style="color:#666;">-'+poi.address+'</span>'
html+='</li>';
}
html+="</ol>";
$("#results").html(html);
for(var i=0;i<results.getCurrentNumPois();i++){
(function(){
var index=i+1;
var poi=results.getPoi(i);
content="<h3>"+poi.title+typeArray[poi.type]+"</h3>";
content+="<div>地址:"+poi.address+"</div>";
content+='<form action="around.php" method="post"><input type="hidden" name="lng" value="'+poi.point.lng+'"><input type="hidden" name="lat" value="'+poi.point.lat+'"><input type="submit" value="查看附近幼儿园"></form>';
var info=new BMap.InfoWindow(content)
$("#poi"+i).click(function(){
markerArray[$(this).attr('index')].openInfoWindow(info);
});
})();
}
}
},
});
local.search(document.getElementById("searchtext").value);
}
</script>
<script type="text/javascript">
function drag(obj,e){
var e=e ? e : event;
var mouse_left=e.clientX-obj.offsetLeft;
var mouse_top=e.clientY-obj.offsetTop;
var docmousemove=document.onmousemove;
var docmouseup=document.onmouseup;
document.onselectstart=function(e){return false}
document.onmouseup=function(){
document.onmousemove=docmousemove;
document.onmouseup=docmouseup;
document.onselectstart=function(e){return true}
}
document.onmousemove=function(ev){
var ev=ev ? ev : event;
if(ev.clientX-mouse_left>0&&document.documentElement.clientWidth-(ev.clientX-mouse_left)-obj.offsetWidth+document.documentElement.scrollLeft>0){
obj.style.left=(ev.clientX-mouse_left)+"px";
}
if(ev.clientY-mouse_top>0&&document.documentElement.clientHeight-(ev.clientY-mouse_top)-obj.offsetHeight+document.documentElement.scrollTop>0){
obj.style.top=(ev.clientY-mouse_top)+"px";
}
}
}
</script>
</body>
</html>