#用百度地图api获取MapGeoData
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=您的密钥"></script>
<title>添加行政区划</title>
</head>
<body>
用百度地图api获取MapGeoData<br>
进入 http://developer.baidu.com/map/jsdemo.htm#c1_10 <br>
把这里的代码完全复制进去并运行，运行完后，就可以看大数据结果 <br>
<textarea id="output" rows="4">the output....</textarea>
<div id="allmap"></div>
</body>
</html>
<script type="text/javascript">
// 百度地图API功能
var map = new BMap.Map("allmap");
map.centerAndZoom(new BMap.Point(116.403765, 39.914850), 5);
map.enableScrollWheelZoom();
var areaPoints = new Array();
function getBoundary(name){
var bdary = new BMap.Boundary();
var city = {
"type": "Feature",
"properties": {
"name": name
},
"geometry": {
"type": "MultiPolygon",
"coordinates": ""
}
}
bdary.get(name, function(rs){ //获取行政区域
// map.clearOverlays(); //清除地图覆盖物
var count = rs.boundaries.length; //行政区域的点有多少个
if (count === 0) {
// alert('未能获取当前输入行政区域---'+name);
return ;
}
var pointArray = [];
for (var i = 0; i < count; i++) {
var ply = new BMap.Polygon(rs.boundaries[i], {strokeWeight: 2, strokeColor: "#ff0000"}); //建立多边形覆盖物
map.addOverlay(ply); //添加覆盖物
pointArray = pointArray.concat(ply.getPath());
// console.log(pointArray);
var points = [];
for (var i = 0; i < pointArray.length; i++) {
// console.log(pointArray[i]);
var point = [];
point.push(pointArray[i].lng);
point.push(pointArray[i].lat);
points.push(point);
// console.log(point);
}
var pointsend = new Array(new Array(points));
city['geometry']['coordinates'] = pointsend;
//console.log(city);
areaPoints.push(city);
// console.log(JSON.stringify(city));
}
map.setViewport(pointArray); //调整视野
addlabel();
// console.log(city);
return city;
});
}
//getBoundary('大名县');
/*
setTimeout(function(){
getBoundary();
}, 2000);
*/
var areas = [
"邯山区",
"丛台区",
"复兴区",
"峰峰矿区",
"临漳县",
"成安县",
"大名县",
"涉县",
"磁县",
"肥乡县",
"永年县",
"邱县",
"鸡泽县",
"广平县",
"馆陶县",
"魏县",
"曲周县",
"武安市",
"馆陶县"
];
for (var i = 0; i < areas.length; i++) {
result = getBoundary(areas[i]);
// console.log(getBoundary(areas[i]));
// areaspoint.push( getBoundary(areas[i]) );
}
setTimeout(function(){
var result = {
"type": "FeatureCollection",
"features": areaPoints
}
//console.log(areaPoints);
// $('#output').val(result);
document.getElementById('output').value=JSON.stringify(result);
// console.log(JSON.stringify(result));
}, 5000);
// console.log(JSON.stringify(areaspoint));
</script>