本来是支持地图下钻的，去掉注释代码即可
<!doctype html>
<html lang="zh-CN">
<head>
<!-- 原始地址：//webapi.amap.com/ui/1.0/ui/geo/DistrictExplorer/examples/index.html -->
<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">
<div id="container" tabindex="0"></div>
<div id="panel" class="scrollbar1">
<ul id="area-tree">
</ul>
</div>
</div>
<script type="text/javascript" src=‘//webapi.amap.com/maps?v=1.4.15&key=您申请的key值‘></script>
<!-- UI组件库 1.0 -->
<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:[3,20],
center:[108.907941,34.2463] // 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 = $(‘<div class="tipMarker top"></div>‘);
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 = $(‘<li/>‘).addClass(‘lv_‘ + props.level);
var $h2 = $(‘<h2/>‘).addClass(‘lv_‘ + props.level).attr({
‘data-adcode‘: props.adcode,
‘data-level‘: props.level,
‘data-children-num‘: props.childrenNum || void(0),
‘data-center‘: props.center.join(‘,‘)
}).html(props.name).appendTo($box);
if (color) {
$h2.css(‘borderColor‘, color);
}
//如果存在子节点
if (props.childrenNum > 0) {
//显示隐藏
$(‘<div class="showHideBtn"></div>‘).appendTo($box);
//子区域列表
$(‘<ul/>‘).addClass(‘sublist lv_‘ + props.level).appendTo($box);
$(‘<div class="clear"></div>‘).appendTo($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‘);
// });
// }
// }
// });
//全国
switch2AreaNode(610100);
});
</script>
</body>
</html>效果预览
原文地址：https://www.cnblogs.com/shixingwen/p/11010973.html
时间： 2024-07-29 06:52:41