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高德地图根据经纬度转换成地址JS代码demo

2014-07-14 19:21 411 查看

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>逆地理编码</title>
<link rel="stylesheet" type="text/css" href="http://developer.amap.com/Public/css/demo.Default.css" />
<script type="text/javascript" src="http://webapi.amap.com/maps?v=1.3&key=d94035ac264f0cc5b293199360ca0e1e"></script>
<script language="javascript">
var mapObj;
function mapInit() {
mapObj = new AMap.Map("iCenter", {
view: new AMap.View2D({
center:new AMap.LngLat(121.428000,31.197600),//地图中心点
zoom:13 //地图显示的缩放级别
})
});
}
//已知点坐标
var lnglatXY = new AMap.LngLat(121.428000,31.197600);
function geocoder() {
var MGeocoder;
//加载地理编码插件
mapObj.plugin(["AMap.Geocoder"], function() {
MGeocoder = new AMap.Geocoder({
radius: 1000,
extensions: "all"
});
//返回地理编码结果
AMap.event.addListener(MGeocoder, "complete", geocoder_CallBack);
//逆地理编码
MGeocoder.getAddress(lnglatXY);
});
//加点
var marker = new AMap.Marker({
map:mapObj,
icon: new AMap.Icon({
image: "http://api.amap.com/Public/images/js/mark.png",
size:new AMap.Size(58,30),
imageOffset: new AMap.Pixel(-32, -0)
}),
position: lnglatXY,
offset: new AMap.Pixel(-5,-30)
});
mapObj.setFitView();
}
//鼠标划过显示相应点
var marker;
function onMouseOver (e) {
var coor = e.split(','),
lnglat = new AMap.LngLat(coor[0], coor[1]);
if (!marker) {
marker = new AMap.Marker({
map:mapObj,
icon: "http://webapi.amap.com/images/0.png",
position: lnglat,
offset: new AMap.Pixel(-10, -34)
});
} else {
marker.setPosition(lnglat);
}
mapObj.setFitView();
}
//回调函数
function geocoder_CallBack(data) {
var resultStr = "";
var roadinfo ="";
var poiinfo="";
var address;
//返回地址描述
address = data.regeocode.formattedAddress;
//返回周边道路信息
roadinfo +="<table style='width:600px'>";
for(var i=0;i<data.regeocode.roads.length;i++){
var color = (i % 2 === 0 ? '#fff' : '#eee');
roadinfo += "<tr style='background-color:" + color + "; margin:0; padding:0;'><td>道路：" + data.regeocode.roads[i].name + "</td><td>方向：" + data.regeocode.roads[i].direction + "</td><td>距离：" + data.regeocode.roads[i].distance + "米</td></tr>";
}
roadinfo +="</table>"
//返回周边兴趣点信息
poiinfo += "<table style='width:600px;cursor:pointer;'>";
for(var j=0;j<data.regeocode.pois.length;j++){
var color = j % 2 === 0 ? '#fff' : '#eee';
poiinfo += "<tr onmouseover='onMouseOver(\"" + data.regeocode.pois[j].location.toString() + "\")' style='background-color:" + color + "; margin:0; padding:0;'><td>兴趣点：" + data.regeocode.pois[j].name + "</td><td>类型：" + data.regeocode.pois[j].type + "</td><td>距离：" + data.regeocode.pois[j].distance + "米</td></tr>";
}
poiinfo += "</table>";
//返回结果拼接输出
resultStr = "<div style=\"font-size: 12px;padding:0px 0 4px 2px; border-bottom:1px solid #C1FFC1;\">"+"<b>地址</b>："+ address + "<hr/><b>周边道路信息</b>：<br/>" + roadinfo + "<hr/><b>周边兴趣点信息</b>：<br/>" + poiinfo +"</div>";
document.getElementById("result").innerHTML = resultStr;
}
</script>
</head>

<body onload="mapInit();">
<div id="iCenter" ></div>
<div class="demo_box">
<input type="button" value="逆地理编码" onclick="geocoder()"/>
<div id="r_title"><b>查询结果:</b></div>
<div id="result"> </div>
</div>
</body>
</html>

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