<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<title>行政区边界查询</title>
<link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css" />
<style>
html,
body,
#container {
margin: 0;
height: 100%;
}
.input-item-text {
width: 7rem;
}
</style>
</head>
<body>
<div id="container"></div>
<div class="input-card"> <label style='color:grey'>行政区边界查询</label>
<div class="input-item">
<div class="input-item-prepend"> <span class="input-item-text">行政级别</span> </div> <select id="level">
<option value="district">district</option>
<option value="city">city</option>
<option value="province">province</option>
</select>
</div>
<div class="input-item">
<div class="input-item-prepend"> <span class="input-item-text">名称/adcode</span> </div> <input id='district'
type="text" value='东阳市'>
</div> <input id="draw" type="button" class="btn" value="查询" />
</div>
<script type="text/javascript" src="https://webapi.amap.com/maps?v=1.4.15&key=yourKeys&plugin=AMap.DistrictSearch">
</script>
<script type="text/javascript">
//初始化地图对象，加载地图
var map = new AMap.Map("container", {
resizeEnable: true,
center: [120.30, 29.18], //地图中心点
mapStyle: 'amap://styles/darkblue', // 使用的自定义地图样式
zoom: 10 //地图显示的缩放级别
});
var district = null;
var polygons = [];
console.log(map)
function drawBounds() { //加载行政区划插件
if (!district) { //实例化DistrictSearch
var opts = {
subdistrict: 0, //获取边界不需要返回下级行政区
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
};
district = new AMap.DistrictSearch(opts);
console.log(district)
} //行政区查询
district.setLevel(document.getElementById('level').value)
district.search(document.getElementById('district').value, function (status, result) {
console.log(document.getElementById('level').value,document.getElementById('district').value)
map.remove(polygons) //清除上次结果
polygons = [];
var bounds = result.districtList[0].boundaries;
console.log(bounds)
if (bounds) {
for (var i = 0, l = bounds.length; i < l; i++) { //生成行政区划polygon
var polygon = new AMap.Polygon({
strokeWeight: 1,
path: bounds[i],
fillOpacity: 0.1,
fillColor: '#80d8ff',
strokeColor: '#0091ea'
});
polygons.push(polygon);
}
}
map.add(polygons)
map.setFitView(polygons); //视口自适应
});
}
drawBounds();
// document.getElementById('draw').onclick = drawBounds;
// document.getElementById('district').onkeydown = function (e) {
// if (e.keyCode === 13) {
// drawBounds();
// return false;
// }
// return true;
// };
</script>
</body>
</html>