区域定位

html,

body,

#container {

width: 100%;

height: 100%;

margin: 0px;

}

#locTip {

position: absolute;

width: 100%;

background: #000;

z-index: 9999;

text-align: center;

line-height: 150%;

color: #fff;

}

//创建地图

var map = new AMap.Map('container', {

cursor: 'default',

zoom: 4

});

//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 = new DistrictExplorer({

map: map

});

//定位点Marker

var locMarker = new AMap.Marker();

function listenMouseEvents() {

var isLocating = false;

map.on('click', function(e) {

if (isLocating) {

return;

}

isLocating = true;

$('#locTip').html('定位中......');

districtExplorer.locatePosition(e.lnglat, function(err, features) {

isLocating = false;

if (err) {

console.error(err);

return;

}

renderFeatures(features);

refreshLocTip(e.lnglat, features);

locMarker.setPosition(e.lnglat);

locMarker.setMap(map);

}, {

levelLimit: 4

});

});

}

listenMouseEvents();

function renderFeatures(features) {

//清除已有的绘制内容

districtExplorer.clearFeaturePolygons();

if (!features.length) {

renderCountry(false);

return;

}

for (var i = 0, len = features.length; i < len; i++) {

var strokeColor = colors[i % colors.length];

var fillColor = strokeColor;

districtExplorer.renderFeature(features[i], {

cursor: 'default',

bubble: true,

strokeColor: strokeColor, //线颜色

strokeOpacity: 1, //线透明度

strokeWeight: 1, //线宽

fillColor: fillColor, //填充色

fillOpacity: 0.35, //填充透明度

});

}

}

//更新位置头部的提示内容

function refreshLocTip(lngLat, features) {

var i, len = features.length,

$node = $('#locTip');

if (!len) {

$node.html(lngLat.toString() + '：未知区域');

return;

}

var routes = [];

for (i = 0; i < len; i++) {

routes.push('' + features[i].properties.name + '');

}

$node.html(lngLat.toString() + '：' + routes.join(' > '));

}

function renderCountry(setBounds) {

districtExplorer.loadCountryNode(function(err, countryNode) {

if (setBounds) {

map.setBounds(countryNode.getBounds());

}

districtExplorer.renderParentFeature(countryNode, {

cursor: 'default',

bubble: true,

strokeColor: 'black', //线颜色

strokeOpacity: 1, //线透明度

strokeWeight: 2, //线宽

fillColor: colors[0], //填充色

fillOpacity: 0.35, //填充透明度

});

});

}

renderCountry(true);

});