先看下效果图，因为没有美化，只是做一下功能。
完整代码如下
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<script src="../../jss/jquery-1.9.1.min.js"></script>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=your baidu keys"></script>
<title>百度地图的定位</title>
<style type="text/css">
input{border:1px solid #dddee1;border-radius:5px;height:30px; 90%;}
</style>
</head>
<body>
当前位置：<input type="text" id="txtposition" value="正在定位..."/>
<br /><br />
<div id="r-result">请输入:<input type="text" id="suggestId" size="20" value="" style="350px;" /></div>
<div id="searchResultPanel" style="border:1px solid #C0C0C0;150px;height:auto; display:none;"></div>
<br /><br />
<div id="allmap" style=" 100%;height: 500px;"></div>
<div id="r-result"></div>
<script type="text/javascript">
// 百度地图API功能
var map = new BMap.Map("allmap");
var point = new BMap.Point(118.778, 32.05);
map.centerAndZoom(point,12);
map.enableScrollWheelZoom(); // 启用滚轮放大缩小
map.addControl(new BMap.NavigationControl()); // 启用放大缩小 尺
var geolocation = new BMap.Geolocation();
//自动定位
geolocation.getCurrentPosition(function (r) {
console.log(r.point);
if(this.getStatus() == BMAP_STATUS_SUCCESS){
var mk = new BMap.Marker(r.point);
map.addOverlay(mk);//标出所在地
map.panTo(r.point);//地图中心移动
mk.addEventListener("dragend", showInfo);
mk.enableDragging(); //可拖拽
var point = new BMap.Point(r.point.lng,r.point.lat);//用所定位的经纬度查找所在地省市街道等信息
var gc = new BMap.Geocoder();
gc.getLocation(point, function (rs) {
console.log(rs);
var addComp = rs.addressComponents;
console.log(rs.address);//地址信息
document.getElementById("txtposition").value = rs.address;
// alert(rs.address);//弹出所在地址
var label = new BMap.Label(rs.address, { offset: new BMap.Size(20, -10) });
map.removeOverlay(mk.getLabel());//删除之前的label
mk.setLabel(label);
});
function showInfo(e) {
var gc = new BMap.Geocoder();
gc.getLocation(e.point, function (rs) {
var addComp = rs.addressComponents;
var address = addComp.province + addComp.city + addComp.district + addComp.street + addComp.streetNumber;//获取地址
document.getElementById("txtposition").value = rs.address;
//画图 ---》显示地址信息
var label = new BMap.Label(address, { offset: new BMap.Size(20, -10) });
map.removeOverlay(mk.getLabel());//删除之前的label
mk.setLabel(label);
});
}
}else {
alert('failed'+this.getStatus());
}
}, { enableHighAccuracy: true })
// 百度地图API功能
function G(id) {
return document.getElementById(id)
}
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>
</body>
</html>
注释：上面代码只需自己复制，然后修改下百度的keys就可以了，其他无需修改