<!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{width: 100%;height: 100%;margin:0;font-family:"微软雅黑";font-size:14px;}
#l-map{height:800px;width:100%;}
#r-result{width:100%;}
.tangram-suggestion-main{z-index: 999}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=mPpaz9THaHPl9DgUu0DBqQwGrhFBKnyW"></script>
<title>关键字输入提示词条</title>
</head>
<body>
<div>
<div style="width:500px;padding: 10px;position: fixed;top:20px;left:50%;margin-left: -250px;z-index: 555;background: white">
<div id="r-result"><!-- 请输入: --><input type="text" id="suggestId" size="20" value="百度" style="width:50%;padding-left:10px;vertical-align: middle;outline: 0;border: 0" placeholder="请输入地点" /></div>
<div id="searchResultPanel" style="border:1px solid #C0C0C0;width:150px;height:auto; display:none;z-index: 5555;vertical-align: middle;"></div>
</div>
<div id="l-map"></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。
map.enableScrollWheelZoom(); //启用滚轮放大缩小，默认禁用
map.enableContinuousZoom();
//单击获取点击的经纬度
map.addEventListener("click",function(e){
map.clearOverlays();
console.log("当前位置：" + e.point.lng + ", " + e.point.lat);
var marker = new BMap.Marker({lat:e.point.lat,lng:e.point.lng});
map.addOverlay(marker);
marker.enableDragging();
marker.addEventListener("dragend", function(e){
console.log("当前位置：" + e.point.lng + ", " + e.point.lat);
})
//alert(e.point.lng + "," + e.point.lat);
});
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;
console.log("pp",pp)
//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>
原文：https://www.cnblogs.com/liuhao-web/p/9489505.html