高德地图
参考文档：https://lbs.amap.com/demo/amap-ui/demos/amap-ui-districtexplorer/index
1.高德地图使用示例
DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<script
src="https://webapi.amap.com/maps?v=1.4.15&key=您自己的key&plugin=AMap.Riding,AMap.MouseTool,AMap.PolyEditor,AMap.CircleEditor,AMap.DistrictSearch">
script>
<title>Documenttitle>
head>
<body>
<div id="app">
<div id="containermap" style="height:400px;width:400px;">
div>
div>
body>
<script>
var communityMap = [
{
"keyID": 1,
"keyDisplay": "116.453844",
"value": "39.943812",
"remark": "新街口住户1"
},
{
"keyID": 2,
"keyDisplay": "117.453844",
"value": "39.943812",
"remark": "月坛住户2"
}
]
// var firstlnt = 111.22, firstlon = 35.12;
// var firstlnt1 = 112.7, firstlon1 = 38.38;
var markers = [], lnglatlist = [];
var arr = []
communityMap.forEach(item => {
debugger
var marker = new AMap.Marker({
position: new AMap.LngLat(item.keyDisplay, item.value), // 经纬度对象，也可以是经纬度构成的一维数组[116.39, 39.9]
title: item.remark,
});
markers.push(marker)
})
map = new AMap.Map('containermap', {
resizeEnable: true, //是否监控地图容器尺寸变化
zoom: 7, //初始化地图层级
center: [communityMap[0].keyDisplay, communityMap[0].value] //初始化地图中心点
});
AMap.plugin('AMap.ToolBar', function () {//异步加载插件
var toolbar = new AMap.ToolBar();
map.addControl(toolbar);
});
map.add(markers);
mouseTool = new AMap.MouseTool(map);
script>
html>
2.自定义图标
doctype html>
<html lang="zh-CN">
<head>
<base href="//webapi.amap.com/ui/1.1/ui/overlay/SimpleMarker/examples/" />
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<title>自定义图标title>
<style>
html,
body,
#container {
width: 100%;
height: 100%;
margin: 0px;
}
#myIcon {
background: orange;
width: 20px;
height: 60px;
border-radius: 10px;
}
style>
head>
<body>
<div id="container">div>
<div style="display:none">
<div id="myIcon">div>
div>
<script type="text/javascript" src='//webapi.amap.com/maps?v=2.0&key=您自己的key'>script>
<script src="//webapi.amap.com/ui/1.1/main.js?v=1.1.1">script>
<script type="text/javascript">
//创建地图
var map = new AMap.Map('container', {
zoom: 4
});
AMapUI.loadUI(['overlay/SimpleMarker'], function(SimpleMarker) {
var lngLats = getGridLngLats(map.getCenter(), 5, 5);
new SimpleMarker({
iconLabel: '1',
//自定义图标地址
iconStyle: '//webapi.amap.com/theme/v1.3/markers/b/mark_r.png',
//设置基点偏移
offset: new AMap.Pixel(-19, -60),
map: map,
showPositionPoint: true,
position: lngLats[0],
zIndex: 100
});
new SimpleMarker({
iconLabel: '2',
//自定义图标节点(img)的属性
iconStyle: {
src: '//webapi.amap.com/theme/v1.3/markers/b/mark_b.png',
style: {
width: '20px',
height: '30px'
}
},
//设置基点偏移
offset: new AMap.Pixel(-10, -30),
map: map,
showPositionPoint: true,
position: lngLats[1],
zIndex: 200
});
new SimpleMarker({
iconLabel: '3',
//自定义图标节点(img)的属性
iconStyle: {
src: '//webapi.amap.com/theme/v1.3/markers/b/mark_b.png',
style: {
width: '20px',
height: '60px'
}
},
//设置基点偏移
offset: new AMap.Pixel(-10, -60),
map: map,
showPositionPoint: true,
position: lngLats[2]
});
new SimpleMarker({
iconLabel: '4',
//直接设置html(需要以"<"开头并且以">"结尾)
iconStyle: '',
//设置基点偏移
offset: new AMap.Pixel(-10, -60),
map: map,
showPositionPoint: true,
position: lngLats[3]
});
new SimpleMarker({
iconLabel: '5',
//直接使用dom节点
iconStyle: document.getElementById('myIcon'),
//设置基点偏移
offset: new AMap.Pixel(-10, -60),
map: map,
showPositionPoint: true,
position: lngLats[4]
});
});
/**
* 返回一批网格排列的经纬度
* @param {AMap.LngLat} center 网格中心
* @param {number} colNum 列数
* @param {number} size 总数
* @param {number} cellX 横向间距
* @param {number} cellY 竖向间距
* @return {Array} 返回经纬度数组
*/
function getGridLngLats(center, colNum, size, cellX, cellY) {
var pxCenter = map.lnglatToPixel(center);
var rowNum = Math.ceil(size / colNum);
var startX = pxCenter.getX(),
startY = pxCenter.getY();
cellX = cellX || 70;
cellY = cellY || 70;
var lngLats = [];
for (var r = 0; r < rowNum; r++) {
for (var c = 0; c < colNum; c++) {
var x = startX + (c - (colNum - 1) / 2) * (cellX);
var y = startY + (r - (rowNum - 1) / 2) * (cellY);
lngLats.push(map.pixelToLngLat(new AMap.Pixel(x, y)));
if (lngLats.length >= size) {
break;
}
}
}
return lngLats;
}
script>
body>
html>
3.西城区域-反向镂空-自定义图标
doctype html>
<html lang="zh-CN">
<head>
<base href="//webapi.amap.com/ui/1.0/ui/geo/DistrictExplorer/examples/" />
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<title>行政区浏览title>
<link rel="stylesheet" type="text/css" href="./area.css">
head>
<body>
<div id="outer-box" style="width: 500px;height: 500px;">
<div id="container" tabindex="0">div>
div>
<script type="text/javascript" src='//webapi.amap.com/maps?v=1.4.15&key=您自己的key'>script>
<script src="//webapi.amap.com/ui/1.0/main.js?v=1.0.11">script>
<script type="text/javascript">
//创建地图
var map = new AMap.Map('container', {
resizeEnable: true,
rotateEnable: true,
pitchEnable: true,
zoom: 11.8,
pitch: 75,
rotation: -15,
viewMode: '3D',//开启3D视图,默认为关闭
buildingAnimation: true,//楼块出现是否带动画
expandZoomRange: true,
zooms: [3, 18],
center: [116.453844, 39.943812] // 108.907941,34.2463
});
//just some colors
var colors = [
"#3366cc", "#dc3912", "#ff9900", "#109618", "#990099", "#0099c6", "#dd4477", "#66aa00",
"#b82e2e", "#316395", "#994499", "#22aa99", "#aaaa11", "#6633cc", "#e67300", "#8b0707",
"#651067", "#329262", "#5574a6", "#3b3eac"
];
AMapUI.load(['ui/geo/DistrictExplorer', 'lib/$'], function (DistrictExplorer, $) {
initPage(DistrictExplorer);
//创建一个实例
var districtExplorer = window.districtExplorer = new DistrictExplorer({
eventSupport: true, //打开事件支持
map: map
});
//当前聚焦的区域
var currentAreaNode = null;
//鼠标hover提示内容
var $tipMarkerContent = $('');
var tipMarker = new AMap.Marker({
content: $tipMarkerContent.get(0),
offset: new AMap.Pixel(0, 0),
bubble: true
});
//根据Hover状态设置相关样式
function toggleHoverFeature(feature, isHover, position) {
tipMarker.setMap(isHover ? map : null);
if (!feature) {
return;
}
var props = feature.properties;
if (isHover) {
//更新提示内容
$tipMarkerContent.html(props.adcode + ': ' + props.name);
//更新位置
tipMarker.setPosition(position || props.center);
}
$('#area-tree').find('h2[data-adcode="' + props.adcode + '"]').toggleClass('hover', isHover);
//更新相关多边形的样式
var polys = districtExplorer.findFeaturePolygonsByAdcode(props.adcode);
for (var i = 0, len = polys.length; i < len; i++) {
polys[i].setOptions({
fillOpacity: isHover ? 0.5 : 0.2
});
}
}
//监听feature的hover事件
districtExplorer.on('featureMouseout featureMouseover', function (e, feature) {
toggleHoverFeature(feature, e.type === 'featureMouseover',
e.originalEvent ? e.originalEvent.lnglat : null);
});
//监听鼠标在feature上滑动
districtExplorer.on('featureMousemove', function (e, feature) {
//更新提示位置
tipMarker.setPosition(e.originalEvent.lnglat);
});
//feature被点击
districtExplorer.on('featureClick', function (e, feature) {
debugger
var props = feature.properties;
//如果存在子节点
if (props.childrenNum > 0) {
//切换聚焦区域
switch2AreaNode(props.adcode);
}
});
//外部区域被点击
// districtExplorer.on('outsideClick', function(e) {
//
// districtExplorer.locatePosition(e.originalEvent.lnglat, function(error, routeFeatures) {
//
// if (routeFeatures && routeFeatures.length > 1) {
// //切换到省级区域
// switch2AreaNode(routeFeatures[1].properties.adcode);
// } else {
// //切换到全国
// switch2AreaNode(100000);
// }
//
// }, {
// levelLimit: 2
// });
// });
//绘制区域面板的节点
function renderAreaPanelNode(ele, props, color) {
var $box = $('').addClass('lv_' + props.level);
var $h2 = $('').addClass('lv_' + props.level).attr({
'data-adcode': props.adcode,
'data-level': props.level,
'data-children-num': props.childrenNum || void (0),
'data-center': props.center.join(',')
}).html(props.name).appendTo($box);
if (color) {
$h2.css('borderColor', color);
}
//如果存在子节点
if (props.childrenNum > 0) {
//显示隐藏
$('').appendTo($box);
//子区域列表
$('
').addClass('sublist lv_' + props.level).appendTo($box);
$('').appendTo($box);
if (props.level !== 'country') {
$box.addClass('hide-sub');
}
}
$box.appendTo(ele);
}
//填充某个节点的子区域列表
function renderAreaPanel(areaNode) {
var props = areaNode.getProps();
var $subBox = $('#area-tree').find('h2[data-adcode="' + props.adcode + '"]').siblings('ul.sublist');
if (!$subBox.length) {
//父节点不存在，先创建
renderAreaPanelNode($('#area-tree'), props);
$subBox = $('#area-tree').find('ul.sublist');
}
if ($subBox.attr('data-loaded') === 'rendered') {
return;
}
$subBox.attr('data-loaded', 'rendered');
var subFeatures = areaNode.getSubFeatures();
//填充子区域
for (var i = 0, len = subFeatures.length; i < len; i++) {
renderAreaPanelNode($subBox, areaNode.getPropsOfFeature(subFeatures[i]), colors[i % colors.length]);
}
}
//绘制某个区域的边界
function renderAreaPolygons(areaNode) {
//更新地图视野
map.setBounds(areaNode.getBounds(), null, null, true);
//清除已有的绘制内容
districtExplorer.clearFeaturePolygons();
//绘制子区域
districtExplorer.renderSubFeatures(areaNode, function (feature, i) {
var fillColor = colors[i % colors.length];
var strokeColor = colors[colors.length - 1 - i % colors.length];
debugger
return {
cursor: 'default',
bubble: true,
strokeColor: strokeColor, //线颜色
strokeOpacity: 1, //线透明度
strokeWeight: 3, //线宽
fillColor: fillColor, //填充色
fillOpacity: 0.2, //填充透明度
};
});
//绘制父区域
districtExplorer.renderParentFeature(areaNode, {
cursor: 'default',
bubble: true,
strokeColor: 'black', //线颜色
strokeOpacity: 1, //线透明度
strokeWeight: 1, //线宽
fillColor: null, //填充色
fillOpacity: 0.2, //填充透明度
});
}
//切换区域后刷新显示内容
function refreshAreaNode(areaNode) {
districtExplorer.setHoverFeature(null);
renderAreaPolygons(areaNode);
//更新选中节点的class
var $nodeEles = $('#area-tree').find('h2');
$nodeEles.removeClass('selected');
var $selectedNode = $nodeEles.filter('h2[data-adcode=' + areaNode.getAdcode() + ']').addClass('selected');
//展开下层节点
$selectedNode.closest('li').removeClass('hide-sub');
//折叠下层的子节点
$selectedNode.siblings('ul.sublist').children().addClass('hide-sub');
}
//切换区域
function switch2AreaNode(adcode, callback) {
if (currentAreaNode && ('' + currentAreaNode.getAdcode() === '' + adcode)) {
return;
}
loadAreaNode(adcode, function (error, areaNode) {
if (error) {
if (callback) {
callback(error);
}
return;
}
currentAreaNode = window.currentAreaNode = areaNode;
//设置当前使用的定位用节点
districtExplorer.setAreaNodesForLocating([currentAreaNode]);
refreshAreaNode(areaNode);
if (callback) {
callback(null, areaNode);
}
});
}
//加载区域
function loadAreaNode(adcode, callback) {
districtExplorer.loadAreaNode(adcode, function (error, areaNode) {
if (error) {
if (callback) {
callback(error);
}
console.error(error);
return;
}
renderAreaPanel(areaNode);
if (callback) {
callback(null, areaNode);
}
});
}
// $('#area-tree').on('mouseenter mouseleave', 'h2[data-adcode]', function(e) {
//
// if (e.type === 'mouseleave') {
// districtExplorer.setHoverFeature(null);
// return;
// }
//
// var adcode = $(this).attr('data-adcode');
//
// districtExplorer.setHoverFeature(currentAreaNode.getSubFeatureByAdcode(adcode));
// });
// $('#area-tree').on('click', 'h2[data-children-num]', function() {
//
// var adcode = $(this).attr('data-adcode');
//
// switch2AreaNode(adcode);
// });
// $('#area-tree').on('click', '.showHideBtn', function() {
//
// var $li = $(this).closest('li');
//
// $li.toggleClass('hide-sub');
//
// if (!$li.hasClass('hide-sub')) {
//
// //子节点列表被展开
// var $subList = $li.children('ul.sublist');
//
// //尚未加载
// if (!$subList.attr('data-loaded')) {
//
// $subList.attr('data-loaded', 'loading');
//
// $li.addClass('loading');
//
// //加载
// loadAreaNode($li.children('h2').attr('data-adcode'), function() {
//
// $li.removeClass('loading');
// });
// }
// }
// });
//北京110000
switch2AreaNode(110102);
});
AMapUI.loadUI(['overlay/SimpleMarker'], function (SimpleMarker) {
var lngLats = getGridLngLats(map.getCenter(), 5, 5);
new SimpleMarker({
iconLabel: '新街口住户1',
//自定义图标节点(img)的属性
iconStyle: {
src: '//webapi.amap.com/theme/v1.3/markers/b/mark_b.png',
style: {
width: '70px',
height: '30px'
}
},
//设置基点偏移
offset: new AMap.Pixel(-10, -60),
map: map,
showPositionPoint: true,
position: ['116.37', '39.92']//lngLats[2]
});
});
function getGridLngLats(center, colNum, size, cellX, cellY) {
var pxCenter = map.lnglatToPixel(center);
var rowNum = Math.ceil(size / colNum);
var startX = pxCenter.getX(),
startY = pxCenter.getY();
cellX = cellX || 70;
cellY = cellY || 70;
var lngLats = [];
for (var r = 0; r < rowNum; r++) {
for (var c = 0; c < colNum; c++) {
var x = startX + (c - (colNum - 1) / 2) * (cellX);
var y = startY + (r - (rowNum - 1) / 2) * (cellY);
lngLats.push(map.pixelToLngLat(new AMap.Pixel(x, y)));
if (lngLats.length >= size) {
break;
}
}
}
return lngLats;
}
function getAllRings(feature) {
var coords = feature.geometry.coordinates,
rings = [];
for (var i = 0, len = coords.length; i < len; i++) {
rings.push(coords[i][0]);
}
return rings;
}
function getLongestRing(feature) {
var rings = getAllRings(feature);
rings.sort(function(a, b) {
return b.length - a.length;
});
return rings[0];
}
function initPage(DistrictExplorer) {
//创建一个实例
var districtExplorer = new DistrictExplorer({
map: map
});
var countryCode = 100000, //全国
provCodes = [
// 110000, //北京
// 510000 //四川
],
cityCodes = [
110102, //哈尔滨
];
districtExplorer.loadMultiAreaNodes(
//只需加载全国和市，全国的节点包含省级
[countryCode].concat(cityCodes),
function(error, areaNodes) {
var countryNode = areaNodes[0],
cityNodes = areaNodes.slice(1);
var path = [];
//首先放置背景区域，这里是大陆的边界
path.push(getLongestRing(countryNode.getParentFeature()));
for (var i = 0, len = provCodes.length; i < len; i++) {
//逐个放置需要镂空的省级区域
path.push.apply(path, getAllRings(countryNode.getSubFeatureByAdcode(provCodes[i])));
}
for (var i = 0, len = cityNodes.length; i < len; i++) {
//逐个放置需要镂空的市级区域
path.push.apply(path, getAllRings(cityNodes[i].getParentFeature()));
}
//绘制带环多边形
//https://lbs.amap.com/api/javascript-api/reference/overlay#Polygon
var polygon = new AMap.Polygon({
bubble: true,
lineJoin: 'round',
// strokeColor: 'red', //线颜色
strokeOpacity: 0, //线透明度
strokeWeight: 0, //线宽
fillColor: 'rgb(0,54,109)', //填充色
fillOpacity: 0.65, //填充透明度
map: map,
path: path
});
});
}
script>
body>
html>
4.反向镂空
doctype html>
<html lang="zh-CN">
<head>
<base href="//webapi.amap.com/ui/1.1/ui/geo/DistrictExplorer/examples/" />
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<title>反向镂空区域title>
<style>
html,
body,
#container {
width: 100%;
height: 100%;
margin: 0px;
}
style>
head>
<body>
<div id="container">div>
<script type="text/javascript" src='//webapi.amap.com/maps?v=2.0&key=您自己的key'>script>
<script src="//webapi.amap.com/ui/1.1/main.js?v=1.1.1">script>
<script type="text/javascript">
//创建地图
var map = new AMap.Map('container', {
cursor: 'default',
zoom: 4
});
AMapUI.loadUI(['geo/DistrictExplorer'], function(DistrictExplorer) {
initPage(DistrictExplorer);
});
function getAllRings(feature) {
var coords = feature.geometry.coordinates,
rings = [];
for (var i = 0, len = coords.length; i < len; i++) {
rings.push(coords[i][0]);
}
return rings;
}
function getLongestRing(feature) {
var rings = getAllRings(feature);
rings.sort(function(a, b) {
return b.length - a.length;
});
return rings[0];
}
function initPage(DistrictExplorer) {
//创建一个实例
var districtExplorer = new DistrictExplorer({
map: map
});
var countryCode = 100000, //全国
provCodes = [
110000, //北京
510000 //四川
],
cityCodes = [
230100, //哈尔滨
331100 //丽水
];
districtExplorer.loadMultiAreaNodes(
//只需加载全国和市，全国的节点包含省级
[countryCode].concat(cityCodes),
function(error, areaNodes) {
var countryNode = areaNodes[0],
cityNodes = areaNodes.slice(1);
var path = [];
//首先放置背景区域，这里是大陆的边界
path.push(getLongestRing(countryNode.getParentFeature()));
for (var i = 0, len = provCodes.length; i < len; i++) {
//逐个放置需要镂空的省级区域
path.push.apply(path, getAllRings(countryNode.getSubFeatureByAdcode(provCodes[i])));
}
for (var i = 0, len = cityNodes.length; i < len; i++) {
//逐个放置需要镂空的市级区域
path.push.apply(path, getAllRings(cityNodes[i].getParentFeature()));
}
//绘制带环多边形
//https://lbs.amap.com/api/javascript-api/reference/overlay#Polygon
var polygon = new AMap.Polygon({
bubble: true,
lineJoin: 'round',
strokeColor: 'red', //线颜色
strokeOpacity: 1, //线透明度
strokeWeight: 1, //线宽
fillColor: 'black', //填充色
fillOpacity: 0.65, //填充透明度
map: map,
path: path
});
});
}
script>
body>
html>
5.北京区域-自定义图标
doctype html>
<html lang="zh-CN">
<head>
<base href="//webapi.amap.com/ui/1.0/ui/geo/DistrictExplorer/examples/" />
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<title>行政区浏览title>
<link rel="stylesheet" type="text/css" href="./area.css">
head>
<body>
<div id="outer-box" style="width: 500px;height: 500px;">
<div id="container" tabindex="0">div>
div>
<script type="text/javascript" src='//webapi.amap.com/maps?v=1.4.15&key=您自己的key'>script>
<script src="//webapi.amap.com/ui/1.0/main.js?v=1.0.11">script>
<script type="text/javascript">
//创建地图
var map = new AMap.Map('container', {
resizeEnable: true,
rotateEnable: true,
pitchEnable: true,
zoom: 11.8,
pitch: 75,
rotation: -15,
viewMode: '3D',//开启3D视图,默认为关闭
buildingAnimation: true,//楼块出现是否带动画
expandZoomRange: true,
zooms: [3, 18],
center: [116.453844, 39.943812] // 108.907941,34.2463
});
//just some colors
var colors = [
"#3366cc", "#dc3912", "#ff9900", "#109618", "#990099", "#0099c6", "#dd4477", "#66aa00",
"#b82e2e", "#316395", "#994499", "#22aa99", "#aaaa11", "#6633cc", "#e67300", "#8b0707",
"#651067", "#329262", "#5574a6", "#3b3eac"
];
AMapUI.load(['ui/geo/DistrictExplorer', 'lib/$'], function (DistrictExplorer, $) {
//创建一个实例
var districtExplorer = window.districtExplorer = new DistrictExplorer({
eventSupport: true, //打开事件支持
map: map
});
//当前聚焦的区域
var currentAreaNode = null;
//鼠标hover提示内容
var $tipMarkerContent = $('');
var tipMarker = new AMap.Marker({
content: $tipMarkerContent.get(0),
offset: new AMap.Pixel(0, 0),
bubble: true
});
//根据Hover状态设置相关样式
function toggleHoverFeature(feature, isHover, position) {
tipMarker.setMap(isHover ? map : null);
if (!feature) {
return;
}
var props = feature.properties;
if (isHover) {
//更新提示内容
$tipMarkerContent.html(props.adcode + ': ' + props.name);
//更新位置
tipMarker.setPosition(position || props.center);
}
$('#area-tree').find('h2[data-adcode="' + props.adcode + '"]').toggleClass('hover', isHover);
//更新相关多边形的样式
var polys = districtExplorer.findFeaturePolygonsByAdcode(props.adcode);
for (var i = 0, len = polys.length; i < len; i++) {
polys[i].setOptions({
fillOpacity: isHover ? 0.5 : 0.2
});
}
}
//监听feature的hover事件
districtExplorer.on('featureMouseout featureMouseover', function (e, feature) {
toggleHoverFeature(feature, e.type === 'featureMouseover',
e.originalEvent ? e.originalEvent.lnglat : null);
});
//监听鼠标在feature上滑动
districtExplorer.on('featureMousemove', function (e, feature) {
//更新提示位置
tipMarker.setPosition(e.originalEvent.lnglat);
});
//feature被点击
districtExplorer.on('featureClick', function (e, feature) {
debugger
var props = feature.properties;
//如果存在子节点
if (props.childrenNum > 0) {
//切换聚焦区域
switch2AreaNode(props.adcode);
}
});
//外部区域被点击
// districtExplorer.on('outsideClick', function(e) {
//
// districtExplorer.locatePosition(e.originalEvent.lnglat, function(error, routeFeatures) {
//
// if (routeFeatures && routeFeatures.length > 1) {
// //切换到省级区域
// switch2AreaNode(routeFeatures[1].properties.adcode);
// } else {
// //切换到全国
// switch2AreaNode(100000);
// }
//
// }, {
// levelLimit: 2
// });
// });
//绘制区域面板的节点
function renderAreaPanelNode(ele, props, color) {
var $box = $('').addClass('lv_' + props.level);
var $h2 = $('').addClass('lv_' + props.level).attr({
'data-adcode': props.adcode,
'data-level': props.level,
'data-children-num': props.childrenNum || void (0),
'data-center': props.center.join(',')
}).html(props.name).appendTo($box);
if (color) {
$h2.css('borderColor', color);
}
//如果存在子节点
if (props.childrenNum > 0) {
//显示隐藏
$('').appendTo($box);
//子区域列表
$('
').addClass('sublist lv_' + props.level).appendTo($box);
$('').appendTo($box);
if (props.level !== 'country') {
$box.addClass('hide-sub');
}
}
$box.appendTo(ele);
}
//填充某个节点的子区域列表
function renderAreaPanel(areaNode) {
var props = areaNode.getProps();
var $subBox = $('#area-tree').find('h2[data-adcode="' + props.adcode + '"]').siblings('ul.sublist');
if (!$subBox.length) {
//父节点不存在，先创建
renderAreaPanelNode($('#area-tree'), props);
$subBox = $('#area-tree').find('ul.sublist');
}
if ($subBox.attr('data-loaded') === 'rendered') {
return;
}
$subBox.attr('data-loaded', 'rendered');
var subFeatures = areaNode.getSubFeatures();
//填充子区域
for (var i = 0, len = subFeatures.length; i < len; i++) {
renderAreaPanelNode($subBox, areaNode.getPropsOfFeature(subFeatures[i]), colors[i % colors.length]);
}
}
//绘制某个区域的边界
function renderAreaPolygons(areaNode) {
//更新地图视野
map.setBounds(areaNode.getBounds(), null, null, true);
//清除已有的绘制内容
districtExplorer.clearFeaturePolygons();
//绘制子区域
districtExplorer.renderSubFeatures(areaNode, function (feature, i) {
var fillColor = colors[i % colors.length];
var strokeColor = colors[colors.length - 1 - i % colors.length];
debugger
return {
cursor: 'default',
bubble: true,
strokeColor: strokeColor, //线颜色
strokeOpacity: 1, //线透明度
strokeWeight: 3, //线宽
fillColor: fillColor, //填充色
fillOpacity: 0.2, //填充透明度
};
});
//绘制父区域
districtExplorer.renderParentFeature(areaNode, {
cursor: 'default',
bubble: true,
strokeColor: 'black', //线颜色
strokeOpacity: 1, //线透明度
strokeWeight: 1, //线宽
fillColor: null, //填充色
fillOpacity: 0.2, //填充透明度
});
}
//切换区域后刷新显示内容
function refreshAreaNode(areaNode) {
districtExplorer.setHoverFeature(null);
renderAreaPolygons(areaNode);
//更新选中节点的class
var $nodeEles = $('#area-tree').find('h2');
$nodeEles.removeClass('selected');
var $selectedNode = $nodeEles.filter('h2[data-adcode=' + areaNode.getAdcode() + ']').addClass('selected');
//展开下层节点
$selectedNode.closest('li').removeClass('hide-sub');
//折叠下层的子节点
$selectedNode.siblings('ul.sublist').children().addClass('hide-sub');
}
//切换区域
function switch2AreaNode(adcode, callback) {
if (currentAreaNode && ('' + currentAreaNode.getAdcode() === '' + adcode)) {
return;
}
loadAreaNode(adcode, function (error, areaNode) {
if (error) {
if (callback) {
callback(error);
}
return;
}
currentAreaNode = window.currentAreaNode = areaNode;
//设置当前使用的定位用节点
districtExplorer.setAreaNodesForLocating([currentAreaNode]);
refreshAreaNode(areaNode);
if (callback) {
callback(null, areaNode);
}
});
}
//加载区域
function loadAreaNode(adcode, callback) {
districtExplorer.loadAreaNode(adcode, function (error, areaNode) {
if (error) {
if (callback) {
callback(error);
}
console.error(error);
return;
}
renderAreaPanel(areaNode);
if (callback) {
callback(null, areaNode);
}
});
}
// $('#area-tree').on('mouseenter mouseleave', 'h2[data-adcode]', function(e) {
//
// if (e.type === 'mouseleave') {
// districtExplorer.setHoverFeature(null);
// return;
// }
//
// var adcode = $(this).attr('data-adcode');
//
// districtExplorer.setHoverFeature(currentAreaNode.getSubFeatureByAdcode(adcode));
// });
// $('#area-tree').on('click', 'h2[data-children-num]', function() {
//
// var adcode = $(this).attr('data-adcode');
//
// switch2AreaNode(adcode);
// });
// $('#area-tree').on('click', '.showHideBtn', function() {
//
// var $li = $(this).closest('li');
//
// $li.toggleClass('hide-sub');
//
// if (!$li.hasClass('hide-sub')) {
//
// //子节点列表被展开
// var $subList = $li.children('ul.sublist');
//
// //尚未加载
// if (!$subList.attr('data-loaded')) {
//
// $subList.attr('data-loaded', 'loading');
//
// $li.addClass('loading');
//
// //加载
// loadAreaNode($li.children('h2').attr('data-adcode'), function() {
//
// $li.removeClass('loading');
// });
// }
// }
// });
//北京110000
switch2AreaNode(110000);
});
AMapUI.loadUI(['overlay/SimpleMarker'], function (SimpleMarker) {
var lngLats = getGridLngLats(map.getCenter(), 5, 5);
new SimpleMarker({
iconLabel: '新街口住户1',
//自定义图标节点(img)的属性
iconStyle: {
src: '//webapi.amap.com/theme/v1.3/markers/b/mark_b.png',
style: {
width: '70px',
height: '30px'
}
},
//设置基点偏移
offset: new AMap.Pixel(-10, -60),
map: map,
showPositionPoint: true,
position: ['116.453844', '39.943812']//lngLats[2]
});
});
function getGridLngLats(center, colNum, size, cellX, cellY) {
var pxCenter = map.lnglatToPixel(center);
var rowNum = Math.ceil(size / colNum);
var startX = pxCenter.getX(),
startY = pxCenter.getY();
cellX = cellX || 70;
cellY = cellY || 70;
var lngLats = [];
for (var r = 0; r < rowNum; r++) {
for (var c = 0; c < colNum; c++) {
var x = startX + (c - (colNum - 1) / 2) * (cellX);
var y = startY + (r - (rowNum - 1) / 2) * (cellY);
lngLats.push(map.pixelToLngLat(new AMap.Pixel(x, y)));
if (lngLats.length >= size) {
break;
}
}
}
return lngLats;
}
script>
body>
html>
6.北京区域-反向镂空
doctype html>
<html lang="zh-CN">
<head>
<base href="//webapi.amap.com/ui/1.0/ui/geo/DistrictExplorer/examples/" />
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<title>行政区浏览title>
<link rel="stylesheet" type="text/css" href="./area.css">
head>
<body>
<div id="outer-box" style="width: 500px;height: 500px;">
<div id="container" tabindex="0">div>
div>
<script type="text/javascript" src='//webapi.amap.com/maps?v=1.4.15&key=您自己的key'>script>
<script src="//webapi.amap.com/ui/1.0/main.js?v=1.0.11">script>
<script type="text/javascript">
//创建地图
var map = new AMap.Map('container', {
resizeEnable: true,
rotateEnable: true,
pitchEnable: true,
zoom: 11.8,
pitch: 75,
rotation: -15,
viewMode: '3D',//开启3D视图,默认为关闭
buildingAnimation: true,//楼块出现是否带动画
expandZoomRange: true,
zooms: [3, 18],
center: [116.453844, 39.943812] // 108.907941,34.2463
});
//just some colors
var colors = [
"#3366cc", "#dc3912", "#ff9900", "#109618", "#990099", "#0099c6", "#dd4477", "#66aa00",
"#b82e2e", "#316395", "#994499", "#22aa99", "#aaaa11", "#6633cc", "#e67300", "#8b0707",
"#651067", "#329262", "#5574a6", "#3b3eac"
];
AMapUI.load(['ui/geo/DistrictExplorer', 'lib/$'], function (DistrictExplorer, $) {
initPage(DistrictExplorer);
//创建一个实例
var districtExplorer = window.districtExplorer = new DistrictExplorer({
eventSupport: true, //打开事件支持
map: map
});
//当前聚焦的区域
var currentAreaNode = null;
//鼠标hover提示内容
var $tipMarkerContent = $('');
var tipMarker = new AMap.Marker({
content: $tipMarkerContent.get(0),
offset: new AMap.Pixel(0, 0),
bubble: true
});
//根据Hover状态设置相关样式
function toggleHoverFeature(feature, isHover, position) {
tipMarker.setMap(isHover ? map : null);
if (!feature) {
return;
}
var props = feature.properties;
if (isHover) {
//更新提示内容
$tipMarkerContent.html(props.adcode + ': ' + props.name);
//更新位置
tipMarker.setPosition(position || props.center);
}
$('#area-tree').find('h2[data-adcode="' + props.adcode + '"]').toggleClass('hover', isHover);
//更新相关多边形的样式
var polys = districtExplorer.findFeaturePolygonsByAdcode(props.adcode);
for (var i = 0, len = polys.length; i < len; i++) {
polys[i].setOptions({
fillOpacity: isHover ? 0.5 : 0.2
});
}
}
//监听feature的hover事件
districtExplorer.on('featureMouseout featureMouseover', function (e, feature) {
toggleHoverFeature(feature, e.type === 'featureMouseover',
e.originalEvent ? e.originalEvent.lnglat : null);
});
//监听鼠标在feature上滑动
districtExplorer.on('featureMousemove', function (e, feature) {
//更新提示位置
tipMarker.setPosition(e.originalEvent.lnglat);
});
//feature被点击
districtExplorer.on('featureClick', function (e, feature) {
debugger
var props = feature.properties;
//如果存在子节点
if (props.childrenNum > 0) {
//切换聚焦区域
switch2AreaNode(props.adcode);
}
});
//外部区域被点击
// districtExplorer.on('outsideClick', function(e) {
//
// districtExplorer.locatePosition(e.originalEvent.lnglat, function(error, routeFeatures) {
//
// if (routeFeatures && routeFeatures.length > 1) {
// //切换到省级区域
// switch2AreaNode(routeFeatures[1].properties.adcode);
// } else {
// //切换到全国
// switch2AreaNode(100000);
// }
//
// }, {
// levelLimit: 2
// });
// });
//绘制区域面板的节点
function renderAreaPanelNode(ele, props, color) {
var $box = $('').addClass('lv_' + props.level);
var $h2 = $('').addClass('lv_' + props.level).attr({
'data-adcode': props.adcode,
'data-level': props.level,
'data-children-num': props.childrenNum || void (0),
'data-center': props.center.join(',')
}).html(props.name).appendTo($box);
if (color) {
$h2.css('borderColor', color);
}
//如果存在子节点
if (props.childrenNum > 0) {
//显示隐藏
$('').appendTo($box);
//子区域列表
$('
').addClass('sublist lv_' + props.level).appendTo($box);
$('').appendTo($box);
if (props.level !== 'country') {
$box.addClass('hide-sub');
}
}
$box.appendTo(ele);
}
//填充某个节点的子区域列表
function renderAreaPanel(areaNode) {
var props = areaNode.getProps();
var $subBox = $('#area-tree').find('h2[data-adcode="' + props.adcode + '"]').siblings('ul.sublist');
if (!$subBox.length) {
//父节点不存在，先创建
renderAreaPanelNode($('#area-tree'), props);
$subBox = $('#area-tree').find('ul.sublist');
}
if ($subBox.attr('data-loaded') === 'rendered') {
return;
}
$subBox.attr('data-loaded', 'rendered');
var subFeatures = areaNode.getSubFeatures();
//填充子区域
for (var i = 0, len = subFeatures.length; i < len; i++) {
renderAreaPanelNode($subBox, areaNode.getPropsOfFeature(subFeatures[i]), colors[i % colors.length]);
}
}
//绘制某个区域的边界
function renderAreaPolygons(areaNode) {
//更新地图视野
map.setBounds(areaNode.getBounds(), null, null, true);
//清除已有的绘制内容
districtExplorer.clearFeaturePolygons();
//绘制子区域
districtExplorer.renderSubFeatures(areaNode, function (feature, i) {
var fillColor = colors[i % colors.length];
var strokeColor = colors[colors.length - 1 - i % colors.length];
debugger
return {
cursor: 'default',
bubble: true,
strokeColor: strokeColor, //线颜色
strokeOpacity: 1, //线透明度
strokeWeight: 3, //线宽
fillColor: fillColor, //填充色
fillOpacity: 0.2, //填充透明度
};
});
//绘制父区域
districtExplorer.renderParentFeature(areaNode, {
cursor: 'default',
bubble: true,
strokeColor: 'black', //线颜色
strokeOpacity: 1, //线透明度
strokeWeight: 1, //线宽
fillColor: null, //填充色
fillOpacity: 0.2, //填充透明度
});
}
//切换区域后刷新显示内容
function refreshAreaNode(areaNode) {
districtExplorer.setHoverFeature(null);
renderAreaPolygons(areaNode);
//更新选中节点的class
var $nodeEles = $('#area-tree').find('h2');
$nodeEles.removeClass('selected');
var $selectedNode = $nodeEles.filter('h2[data-adcode=' + areaNode.getAdcode() + ']').addClass('selected');
//展开下层节点
$selectedNode.closest('li').removeClass('hide-sub');
//折叠下层的子节点
$selectedNode.siblings('ul.sublist').children().addClass('hide-sub');
}
//切换区域
function switch2AreaNode(adcode, callback) {
if (currentAreaNode && ('' + currentAreaNode.getAdcode() === '' + adcode)) {
return;
}
loadAreaNode(adcode, function (error, areaNode) {
if (error) {
if (callback) {
callback(error);
}
return;
}
currentAreaNode = window.currentAreaNode = areaNode;
//设置当前使用的定位用节点
districtExplorer.setAreaNodesForLocating([currentAreaNode]);
refreshAreaNode(areaNode);
if (callback) {
callback(null, areaNode);
}
});
}
//加载区域
function loadAreaNode(adcode, callback) {
districtExplorer.loadAreaNode(adcode, function (error, areaNode) {
if (error) {
if (callback) {
callback(error);
}
console.error(error);
return;
}
renderAreaPanel(areaNode);
if (callback) {
callback(null, areaNode);
}
});
}
// $('#area-tree').on('mouseenter mouseleave', 'h2[data-adcode]', function(e) {
//
// if (e.type === 'mouseleave') {
// districtExplorer.setHoverFeature(null);
// return;
// }
//
// var adcode = $(this).attr('data-adcode');
//
// districtExplorer.setHoverFeature(currentAreaNode.getSubFeatureByAdcode(adcode));
// });
// $('#area-tree').on('click', 'h2[data-children-num]', function() {
//
// var adcode = $(this).attr('data-adcode');
//
// switch2AreaNode(adcode);
// });
// $('#area-tree').on('click', '.showHideBtn', function() {
//
// var $li = $(this).closest('li');
//
// $li.toggleClass('hide-sub');
//
// if (!$li.hasClass('hide-sub')) {
//
// //子节点列表被展开
// var $subList = $li.children('ul.sublist');
//
// //尚未加载
// if (!$subList.attr('data-loaded')) {
//
// $subList.attr('data-loaded', 'loading');
//
// $li.addClass('loading');
//
// //加载
// loadAreaNode($li.children('h2').attr('data-adcode'), function() {
//
// $li.removeClass('loading');
// });
// }
// }
// });
//北京110000
switch2AreaNode(110000);
});
AMapUI.loadUI(['overlay/SimpleMarker'], function (SimpleMarker) {
var lngLats = getGridLngLats(map.getCenter(), 5, 5);
new SimpleMarker({
iconLabel: '新街口住户1',
//自定义图标节点(img)的属性
iconStyle: {
src: '//webapi.amap.com/theme/v1.3/markers/b/mark_b.png',
style: {
width: '70px',
height: '30px'
}
},
//设置基点偏移
offset: new AMap.Pixel(-10, -60),
map: map,
showPositionPoint: true,
position: ['116.453844', '39.943812']//lngLats[2]
});
});
function getGridLngLats(center, colNum, size, cellX, cellY) {
var pxCenter = map.lnglatToPixel(center);
var rowNum = Math.ceil(size / colNum);
var startX = pxCenter.getX(),
startY = pxCenter.getY();
cellX = cellX || 70;
cellY = cellY || 70;
var lngLats = [];
for (var r = 0; r < rowNum; r++) {
for (var c = 0; c < colNum; c++) {
var x = startX + (c - (colNum - 1) / 2) * (cellX);
var y = startY + (r - (rowNum - 1) / 2) * (cellY);
lngLats.push(map.pixelToLngLat(new AMap.Pixel(x, y)));
if (lngLats.length >= size) {
break;
}
}
}
return lngLats;
}
function getAllRings(feature) {
var coords = feature.geometry.coordinates,
rings = [];
for (var i = 0, len = coords.length; i < len; i++) {
rings.push(coords[i][0]);
}
return rings;
}
function getLongestRing(feature) {
var rings = getAllRings(feature);
rings.sort(function(a, b) {
return b.length - a.length;
});
return rings[0];
}
function initPage(DistrictExplorer) {
//创建一个实例
var districtExplorer = new DistrictExplorer({
map: map
});
var countryCode = 100000, //全国
provCodes = [
110000, //北京
],
cityCodes = [
230100, //哈尔滨
331100 //丽水
];
districtExplorer.loadMultiAreaNodes(
//只需加载全国和市，全国的节点包含省级
[countryCode].concat(cityCodes),
function (error, areaNodes) {
var countryNode = areaNodes[0],
cityNodes = areaNodes.slice(1);
var path = [];
//首先放置背景区域，这里是大陆的边界
path.push(getLongestRing(countryNode.getParentFeature()));
for (var i = 0, len = provCodes.length; i < len; i++) {
//逐个放置需要镂空的省级区域
path.push.apply(path, getAllRings(countryNode.getSubFeatureByAdcode(provCodes[i])));
}
for (var i = 0, len = cityNodes.length; i < len; i++) {
//逐个放置需要镂空的市级区域
path.push.apply(path, getAllRings(cityNodes[i].getParentFeature()));
}
//绘制带环多边形
//https://lbs.amap.com/api/javascript-api/reference/overlay#Polygon
var polygon = new AMap.Polygon({
bubble: true,
lineJoin: 'round',
strokeColor: 'red', //线颜色
strokeOpacity: 1, //线透明度
strokeWeight: 1, //线宽
fillColor: 'black', //填充色
fillOpacity: 0.65, //填充透明度
map: map,
path: path
});
});
}
script>
body>
html>