调用百度地图API的小Demo
百度地图提供了免费开放的API接口，可以根据需要使用不同的接口，并可以添加相关控件，下面是其提供的小Demo：
<!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">
body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;}
#l-map{height:100%;width:78%;float:left;border-right:2px solid #bcbcbc;}
#r-result{height:100%;width:20%;float:left;}
#main{margin:0 auto; width:500px;height:300px;}
#searchResultPanel{display:none;}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=AD0fbba900defc79ef0659b2eae94cd2"></script>
<title>关键字输入提示词条</title>
</head>
<body>
<div id="main">
<div id="l-map"></div>
<div id="r-result">
请输入:<br /><input type="text" id="suggestId" size="20" value="百度" style="width:150px;" /></div><div id="searchResultPanel" style="border:1px solid #C0C0C0;width:150px;height:auto;">
</div>
</div>
</body>
</html>
<script type="text/javascript">
// 百度地图API功能
function G(id) {
return document.getElementById(id);
}
var map = new BMap.Map("l-map");
map.centerAndZoom("北京",12); // 初始化地图,设置城市和地图级别。
var ac = new BMap.Autocomplete( //建立一个自动完成的对象
{"input" : "suggestId"
,"location" : map
});
ac.addEventListener("onhighlight", function(e) { //鼠标放在下拉列表上的事件
var str = "";
var _value = e.fromitem.value;
var value = "";
if (e.fromitem.index > -1) {
value = _value.province + _value.city + _value.district + _value.street + _value.business;
}
str = "FromItem<br />index = " + e.fromitem.index + "<br />value = " + value;
value = "";
if (e.toitem.index > -1) {
_value = e.toitem.value;
value = _value.province + _value.city + _value.district + _value.street + _value.business;
}
str += "<br />ToItem<br />index = " + e.toitem.index + "<br />value = " + value;
G("searchResultPanel").innerHTML = str;
});
var myValue;
ac.addEventListener("onconfirm", function(e) { //鼠标点击下拉列表后的事件
var _value = e.item.value;
myValue = _value.province + _value.city + _value.district + _value.street + _value.business;
G("searchResultPanel").innerHTML ="onconfirm<br />index = " + e.item.index + "<br />myValue = " + myValue;
setPlace();
});
function setPlace(){
map.clearOverlays(); //清除地图上所有覆盖物
function myFun(){
var pp = local.getResults().getPoi(0).point; //获取第一个智能搜索的结果
map.centerAndZoom(pp, 18);
map.addOverlay(new BMap.Marker(pp)); //添加标注
}
var local = new BMap.LocalSearch(map, { //智能搜索
onSearchComplete: myFun
});
local.search(myValue);
}
</script>