Google maps api 3 当添加多条路线时,谷歌地图的代码会变得混乱吗?
我有以下标记:Google maps api 3 当添加多条路线时,谷歌地图的代码会变得混乱吗?,google-maps-api-3,Google Maps Api 3,我有以下标记: var markers = [ { "title": '1. Welgemeend', "lat": '-33.805556', "stopover": true, "lng": '18.869722', "descripti
var markers = [
{
"title": '1. Welgemeend',
"lat": '-33.805556',
"stopover": true,
"lng": '18.869722',
"description": '1. Welgemeend'
},
{
"title": '2. Ruitersvlei',
"lat": '-33.783294',
"lng": '18.935900',
"stopover": true,
"description": '2. Ruitersvlei'
}
];
但是,当我添加第三个标记时:
var markers = [
{
"title": '1. Welgemeend',
"lat": '-33.805556',
"stopover": true,
"lng": '18.869722',
"description": '1. Welgemeend'
},
{
"title": '2. Ruitersvlei',
"lat": '-33.783294',
"lng": '18.935900',
"stopover": true,
"description": '2. Ruitersvlei'
}
,
{
"title": '3. Spice Route',
"lat": '-33.760815',
"lng": '18.916757',
"stopover": true,
"description": '3. Spice Route'
},
];
线条画得很疯狂。这是我的gmaps代码:
<div id="property-map"></div>
<script type="text/javascript">
jQuery(function($) {
var mapOptions = {
center: new google.maps.LatLng(markers[0].lat, markers[0].lng),
zoom: 10,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
var map = new google.maps.Map(document.getElementById("property-map"), mapOptions);
var infoWindow = new google.maps.InfoWindow();
var lat_lng = new Array();
var latlngbounds = new google.maps.LatLngBounds();
for (i = 0; i < markers.length; i++) {
var data = markers[i]
var myLatlng = new google.maps.LatLng(data.lat, data.lng);
lat_lng.push(myLatlng);
var marker = new google.maps.Marker({
position: myLatlng,
map: map,
title: data.title
});
latlngbounds.extend(marker.position);
(function (marker, data) {
google.maps.event.addListener(marker, "click", function (e) {
infoWindow.setContent(data.description);
infoWindow.open(map, marker);
});
})(marker, data);
}
map.setCenter(latlngbounds.getCenter());
map.fitBounds(latlngbounds);
//***********ROUTING****************//
//Intialize the Path Array
var path = new google.maps.MVCArray();
//Intialize the Direction Service
var service = new google.maps.DirectionsService();
//Set the Path Stroke Color
var poly = new google.maps.Polyline({ map: map, strokeColor: '#4986E7' });
//Loop and Draw Path Route between the Points on MAP
for (var i = 0; i < lat_lng.length - 1; i++) {
var src = lat_lng[i];
var des = lat_lng[i + 1];
path.push(src);
poly.setPath(path);
service.route({
origin: src,
destination: des,
travelMode: google.maps.DirectionsTravelMode.DRIVING
}, function (result, status) {
if (status == google.maps.DirectionsStatus.OK) {
for (var i = 0, len = result.routes[0].overview_path.length; i < len; i++) {
path.push(result.routes[0].overview_path[i]);
}
}
});
}
});
</script>
jQuery(函数($){
变量映射选项={
中心:新建google.maps.LatLng(标记[0].lat,标记[0].lng),
缩放:10,
mapTypeId:google.maps.mapTypeId.ROADMAP
};
var map=new google.maps.map(document.getElementById(“属性映射”),mapOptions);
var infoWindow=new google.maps.infoWindow();
var lat_lng=新阵列();
var latlngbounds=new google.maps.latlngbounds();
对于(i=0;i
什么原因可能导致此问题?第51行:拆下该行
path.push(src);
第一次将多段线推送到该阵列时;再向前推几行线路段。这将提供两组不同的叠加线
您正在使用令人困惑的变量名;这会引起问题。“path”对于存储数据数组来说可能不是一个好名字(当然,对于您正在做的事情来说不是) 其他一些细节:for(var i…->应该将var放在for()的第一个位置,而不是第二个位置 poly.setPath(path);不应位于循环内
下面是我应该如何做到这一点。 (我添加了第四个随机点。如果需要,请删除它)
html,正文,#属性映射{
高度:400px;
边际:0px;
填充:0px
}
#内容{
宽度:200px;
溢出:隐藏;
}
变量标记=[{
“标题”:“1.欢迎”,
“lat”:“-33.805556”,
“液化天然气”:“18.869722”,
“中途停留”:没错,
“说明”:“1.欢迎”
},
{
“标题”:“2.Ruitersvlei”,
“纬度”:“-33.783294”,
“液化天然气”:“18.935900”,
“中途停留”:没错,
“说明”:“2.Ruitersvlei”
}
,
{
“标题”:“3.香料路线”,
“lat”:“-33.760815”,
“液化天然气”:“18.916757”,
“中途停留”:没错,
“说明”:“3.香料路线”
},
{
“标题”:“4.一些随机点”,
“lat”:“-33.75”,
“液化天然气”:“18.90”,
“中途停留”:没错,
“说明”:“4.一些随机点”
}];
jQuery(函数($){
变量映射选项={
中心:新建google.maps.LatLng(标记[0].lat,标记[0].lng),
缩放:10,
mapTypeId:google.maps.mapTypeId.ROADMAP
};
var map=new google.maps.map(document.getElementById(“属性映射”),mapOptions);
var infoWindow=new google.maps.infoWindow();
var routeObjects=[];
var markeroobjects=[];
var directionService=new google.maps.directionService();
var latlngbounds=new google.maps.latlngbounds();
//循环通过标记。
//创建标记,然后在该标记和下一个标记之间发送路由请求(上一次迭代除外)。
对于(var i=0;我能在a中复制该问题吗?我在下面更新了我的脚本。删除该行无效,但您的解决方案解决了我的问题。
<head>
<style>
html, body, #property-map {
height: 400px;
margin: 0px;
padding: 0px
}
#content {
width: 200px;
overflow: hidden;
}
</style>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?"></script>
<script>
var markers = [{
"title": '1. Welgemeend',
"lat": '-33.805556',
"lng": '18.869722',
"stopover": true,
"description": '1. Welgemeend'
},
{
"title": '2. Ruitersvlei',
"lat": '-33.783294',
"lng": '18.935900',
"stopover": true,
"description": '2. Ruitersvlei'
}
,
{
"title": '3. Spice Route',
"lat": '-33.760815',
"lng": '18.916757',
"stopover": true,
"description": '3. Spice Route'
},
{
"title": '4. Some random point',
"lat": '-33.75',
"lng": '18.90',
"stopover": true,
"description": '4. Some random point'
}];
jQuery(function($) {
var mapOptions = {
center: new google.maps.LatLng(markers[0].lat, markers[0].lng),
zoom: 10,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
var map = new google.maps.Map(document.getElementById("property-map"), mapOptions);
var infoWindow = new google.maps.InfoWindow();
var routeObjects = [];
var markerObjects = [];
var directionService = new google.maps.DirectionsService();
var latlngbounds = new google.maps.LatLngBounds();
// loop through the markers.
// Create the marker, then send a request for a route between this marker and the next (except for the last iteration).
for (var i=0; i<markers.length; i++) {
// create the marker
var marker = new google.maps.Marker({
position: new google.maps.LatLng(markers[i].lat, markers[i].lng),
title: markers[i].title,
map: map
});
markerObjects.push(marker);
latlngbounds.extend(marker.position);
// click event: show an infowindow with the description
google.maps.event.addListener(marker, "click", function (e) {
var i = markerObjects.indexOf(this);
infoWindow.setContent('<div id="content">' + markers[i].description + '</div>');
infoWindow.setPosition(this.getPosition());
infoWindow.open(map, this);
});
// send a route request, except on the last iteration
if (i < markers.length - 1) {
directionService.route({
origin: new google.maps.LatLng(markers[i].lat, markers[i].lng),
destination: new google.maps.LatLng(markers[i + 1].lat, markers[i + 1].lng),
travelMode: google.maps.DirectionsTravelMode.DRIVING
}, function (result, status) {
if (status == google.maps.DirectionsStatus.OK) {
// We will draw this part of the route on the map; not worry about the other requests
var path = new google.maps.MVCArray();
for (var j = 0; j < result.routes[0].overview_path.length; j++) {
path.push(result.routes[0].overview_path[j]);
}
var poly = new google.maps.Polyline({
path: path,
map: map,
strokeColor: '#4986E7'
});
routeObjects.push(path); // I don't really us this in this script, but it might be useful
}
});
}
else { // last iteration. This might be a good place to do the last-minute things
map.fitBounds(latlngbounds);
}
}
});
</script>
</head>
<body>
<div id="property-map"></div>
</body>