<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>根据地址查询经纬度</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script type="text/javascript" src="http://api.map.baidu.com/api?v=1.3"></script>
</head>
<body style="background:#f9f9f9; margin:0 auto">
<div style="width:730px;margin:30px auto;">
要查询的地址：<input id="address" type="text" value="北京天安门" style="margin-right:50px;"/>
查询结果(经纬度)：<input id="coordinate" type="text" />
<input type="button" value="查询" onclick="searchByStationName();"/>
<div id="container" style="position:absolute; margin-top:30px; width:730px; height:590px; top:50; border:1px solid gray; overflow:hidden;"></div>
</div>
</body>
<script type="text/javascript">
var map = new BMap.Map("container");
map.centerAndZoom("北京市", 12);
map.enableScrollWheelZoom(); //启用滚轮放大缩小，默认禁用
map.enableContinuousZoom(); //启用地图惯性拖拽，默认禁用
map.addControl(new BMap.NavigationControl()); //添加默认缩放平移控件
map.addControl(new BMap.OverviewMapControl()); //添加默认缩略地图控件
map.addControl(new BMap.OverviewMapControl({ isOpen: true, anchor: BMAP_ANCHOR_BOTTOM_RIGHT })); //右下角，打开
var localSearch = new BMap.LocalSearch(map);
localSearch.enableAutoViewport(); //允许自动调节窗体大小
function searchByStationName() {
var keyword = document.getElementById("address").value;
localSearch.setSearchCompleteCallback(function (searchResult) {
var poi = searchResult.getPoi(0);
// 创建Map实例
var mPoint = new BMap.Point(poi.point.lng, poi.point.lat);
map.enableScrollWheelZoom();
map.centerAndZoom(mPoint,15);
var circle = new BMap.Circle(mPoint,1000,{fillColor:"blue", strokeWeight: 1 ,fillOpacity: 0.3, strokeOpacity: 0.3});
map.addOverlay(circle);
var local = new BMap.LocalSearch(map, {renderOptions: {map: map, autoViewport: false}});
local.searchNearby('景点',mPoint,1000);
});
localSearch.search(keyword);
}
</script>
</html>
