示例代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<script type="text/javascript" src="//api.map.baidu.com/api?v=2.0&ak=vxslewBEbWcMz0nolrhZw3piENoYq8r4"></script>
<style type="text/css">
*{ font-family: "微软雅黑";}
#where,#lonlat,#lonlat2{ width:300px; height:30px; font-size:24px; color:blue;}
#but{ width:100px; height:36px; font-size:20px;}
</style>
</head>
<body>
<center>
<form action="" method="post">
<h2>
<h3 style="color: red;">介绍：输入地点然后点击“地图查找”搜索，再点击地图地点获取相应经纬度</h3>
<label >输入地点：</label>
<input id="where" name="where" type="text" placeholder="请输入地址">
<input id="but" type="button" value="地图查找"BfwOnClick="sear(document.getElementById('where').value);" />
经度：<input id="lonlat" name="lonlat" type="number" maxlength="10">
纬度：<input id="lonlat2" name="lonlat2" type="number" maxlength="9">
</h2>
</form>
<div style=" margin:auto;height:600px; margin-top:50px;" id="container"></div>
</center>
<script type="text/javascript">
var map = new BMap.Map("container");
map.setDefaultCursor("crosshair");
map.enableScrollWheelZoom();
var point = new BMap.Point(105.386515,28.91124);
map.centerAndZoom(point, 13);
var gc = new BMap.Geocoder();
map.addControl(new BMap.NavigationControl());
map.addControl(new BMap.OverviewMapControl());
map.addControl(new BMap.ScaleControl());
map.addControl(new BMap.MapTypeControl());
map.addControl(new BMap.CopyrightControl());
var marker = new BMap.Marker(point);
map.addOverlay(marker);
marker.addEventListener("click", function(e)
{
document.getElementById("lonlat").value = e.point.lng;
document.getElementById("lonlat2").value =e.point.lat;
});
marker.enableDragging();
marker.addEventListener("dragend",function(e)
{
gc.getLocation(e.point, function(rs)
{
showLocationInfo(e.point, rs);
});
});
function showLocationInfo(pt, rs)
{
var opts = { width : 250, height: 150, title : "当前位置" } ;
var addComp = rs.addressComponents;
var addr = "当前位置：" + addComp.province + ", " + addComp.city + ", " + addComp.district + ", " + addComp.street + ", " + addComp.streetNumber + "<br/>";
addr += "纬度: " + pt.lat + ", " + "经度：" + pt.lng;
var infoWindow = new BMap.InfoWindow(addr, opts);
marker.openInfoWindow(infoWindow);
}
map.addEventListener("click", function(e)
{
document.getElementById("lonlat").value = e.point.lng;
document.getElementById("lonlat2").value = e.point.lat;
});
var traffic = new BMap.TrafficLayer();
map.addTileLayer(traffic);
function iploac(result)
{
var cityName = result.name;
}
var myCity = new BMap.LocalCity();
myCity.get(iploac);
function sear(result)
{
var local = new BMap.LocalSearch(map, {renderOptions:{map: map} });
local.search(result);
}
</script>
</body>
</html>
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