<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;
charset=utf-8">
<title>行政区划边界</title>
<link rel="stylesheet" type="text/css"
href="/Public/css/demo.Default.css" />
<script language="javascript"
src="/maps?v=1.3&key=7de8697669288fc848e 12a08f58d995e"></script>
<script language="javascript">
var mapObj,district;
/*
*初始化地图对象，加载地图
*/
function mapInit(){
mapObj = new AMap.Map("iCenter",{
view: new AMap.View2D({
center:new AMap.LngLat(116.397428,39.90923),//地图中心点
zoom:10 //地图显示的缩放级别
})});
initPolygon();
}
function initPolygon(){
//加载云图层插件
mapObj.plugin('AMap.DistrictSearch', function () {
var opts = {
subdistrict: 0, //返回下一级行政区
extensions: 'all', //返回行政区边界坐标组等具体信息
level:'city'//查询行政级别为市
};
//实例化DistrictSearch
district = new AMap.DistrictSearch(opts);
//查询成功时的回调函数，定义如何展示请求返回结果
AMap.event.addListener(district, 'complete', function(e){
var bounds = e.districtList[0].boundaries;
var polygons = [];
var arr = [];
if(bounds){
for(var i =0, l = bounds.length;i < l; i++){
//生成行政区划polygon
var polygon = new AMap.Polygon({
map:mapObj,
strokeWeight:1,
path:bounds[i],
fillOpacity:0.7,
fillColor:'#CCF3FF',
strokeColor:'#CC66CC'
});
polygons.push(polygon);
}
mapObj.setFitView();//地图自适应
}
for(var i=0;i<bounds.length;i++){
var lnglatArr = polygons[i].getPath();
for(var j=0;j<lnglatArr.length;j++){
arr.push(lnglatArr[j].toString());
}
}
document.getElementById("info").innerText = arr.join(";");
arr = [];//释放数组
});
});
}
/*
*叠加云数据图层
*/
function drawPolygon() {
var level = document.getElementById("level").value;
var name = document.getElementById("district").value;
var isClear =
document.getElementById("isClear").value;
if(district == ""){
alert("请输入行政区名称！");
return false;
}
if(isClear == 1){
mapObj.clearMap();//清除地图覆盖物
}
district.setLevel(level);//行政区查询 district
district.search(name); //行政区查询
}
</script>
</head>
<body onLoad="mapInit()">
<div id="iCenter"></div>
<div style="height: 80px;width:1000px;">
<table style="width:100%;height:100%;" align="center"> <tr height="40px">
<td width="15%" align="right">选择行政区级别：</td>
<td width="35%">
<select id="level">
<option value="country">国家</option>
<option value="province">省/直辖市</option>
<option value="city" selected="selected">市</option>
<option value="district">区/县</option>
<option value="biz_area">商圈</option>
</select>
</td>
<td width="50%" rowspan="4" align="center"
height="160px">
<textarea id="info" rows="3"
style="width:100%;height:100%;padding: 2px 0px 0px 5px; font-size: 12px; color: red; overflow-y: auto"></textarea>
</td>
</tr>
<tr height="40px">
<td align="right">行政区名称：</td>
<td><input type="text" name="district"
id="district"/></td>
</tr>
<tr height="40px">
<td align="right">是否清除覆盖物：</td>
<td><select id="isClear">
<option value="1" selected="selected">是
</option>
<option value="0">否</option>
</select>
</td>
</tr>
<tr height="40px">
<td colspan="2" align="center"><input type="button" value="绘制" onclick="drawPolygon()"/></td>
</tr>
</table>
</div>
</body>
</html>。