<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="css/ol.css" type="text/css">
<script src="js/jquery-1.11.3.js"></script>
<script src="js/ol.js"></script>
<style>
#map{
width:100%;
height:100%;
}
.label,.title{
background: #000;
color:#fff;
padding:3px;
}
.popup-content{
background: #fff;
padding:3px;
}
.ol-popup-closer {
position: absolute;
top: 2px;
right: 8px;
}
.ol-popup-closer:after {
content: "x";
color: #fff;
}
</style>
</head>
<body>
<div id="map"></div>
<script>
$(document).ready(function(){
var map = new ol.Map({
controls: ol.control.defaults().extend([
new ol.control.ScaleLine({})
]),
target: 'map',
layers: [
new ol.layer.Tile({
source: new ol.source.OSM()
})
],
view: new ol.View({
center: ol.proj.transform([106.20, 37.30], 'EPSG:4326', 'EPSG:3857'),
maxZoom: 19,
zoom: 5
}),
logo: false
});//地图初始化
initMenuAndAllCar()
var carPositionLayer = new ol.layer.Vector({
style: function (feature, resolution) {
var online = feature.get("online");
var status;
switch(online){
case "0":
status= '离线';
break;
case "1":
status= '在线';
break;
case "无法获取状态":
status= online;
break;
}
var opacity = (online !== "1") ? 0.4 : 1;
var icon_url = "image/" + feature.get("image");
var style = new ol.style.Style({
image: new ol.style.Icon({
opacity: opacity,
scale: 1.2,
src: icon_url
})
});
feature.setStyle(style);
var label_element = document.createElement('div');
label_element.className = 'label';
label_element.innerHTML = status;
var label = new ol.Overlay({
element: label_element,
offset: [20, 6],
stopEvent: false
});
var coordinate = feature.getGeometry().getCoordinates();
label.setPosition(coordinate);
map.addOverlay(label);
}
});// 车辆位置图层
map.addLayer(carPositionLayer);
var map_click = map.on('click', function (evt) {
var pixel = map.getEventPixel(evt.originalEvent);
var feature = map.forEachFeatureAtPixel(pixel, function (feature) {
return feature;
});//判断当前单击处是否有要素，捕获到要素时弹出popup
var coordinate = evt.coordinate;
if (feature !== undefined) {
removeAllOverlay(map);
var popup_element = document.createElement('div');
popup_element.className = 'ol-popup';
var closer = document.createElement('a');
closer.href = '#';
closer.className = 'ol-popup-closer';
var title = document.createElement('div');
title.className = 'title';
var content = document.createElement('div');
content.className = 'popup-content';
$(popup_element).append(closer);
$(popup_element).append(title);
$(popup_element).append(content);
var info_popup = new ol.Overlay(({
element: popup_element,
autoPan: true,
autoPanAnimation: {
duration: 250 //当Popup超出地图边界时，地图移动的速度
}
}));
map.addOverlay(info_popup);
$(closer).on('click', function (event) {
event.preventDefault();
info_popup.setPosition(undefined);
});// 点击关闭的按钮
var name = feature.get("name");
var user_contact = feature.get("user_contact");
var time = feature.get("time");
var speed = parseFloat(feature.get("speed")).toFixed(2);
title.innerHTML ='<div><strong></strong>'+name+'</div></div>';
content.innerHTML = '<div><div>联系方式:'+user_contact+'</div><div>时 刻:'+time+'</div><div>速 度'+speed+'</div></div>';
info_popup.setPosition(coordinate);
}
});//为map添加点击事件监听，弹出popup
function initMenuAndAllCar(){
$.ajax({
url:"json/allAllPosition.json",
success:function(results){
var features = (new ol.format.GeoJSON()).readFeatures(results, {featureProjection: 'EPSG:3857'});
var carSource = new ol.source.Vector({
features: features
});
carPositionLayer.setSource(carSource);
var extent = carSource.getExtent();
map.getView().fit(extent, map.getSize(),{padding: [10,10,10,10]});
}
});
}//初始化所有车的位置
function removeAllOverlay(map){
map.getOverlays().getArray().slice(0).forEach(function(overlay) {
map.removeOverlay(overlay);
});
}//清除所有车
});
</script>
</body>
</html>
