Google maps api 3 不显示距离&;的行程距离;到(多段线)
因为我不熟悉谷歌地图api Javascript。我想显示起点和终点之间的距离 “第一个输入框”可以是自动完成框,它可以通过谷歌地图填充用户建议的值 “第二个输入框”的目的地可能是用户需要选择已给定位置的列表 我想不出来,我需要你的帮助Google maps api 3 不显示距离&;的行程距离;到(多段线),google-maps-api-3,service,distance,polyline,autocompletebox,Google Maps Api 3,Service,Distance,Polyline,Autocompletebox,因为我不熟悉谷歌地图api Javascript。我想显示起点和终点之间的距离 “第一个输入框”可以是自动完成框,它可以通过谷歌地图填充用户建议的值 “第二个输入框”的目的地可能是用户需要选择已给定位置的列表 我想不出来,我需要你的帮助 <script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=places"></script> <s
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false&libraries=places"></script>
<script>
var directionsDisplay;
var directionsService = new google.maps.DirectionsService();
var map;
function initialize() {
directionsDisplay = new google.maps.DirectionsRenderer();
var chicago = new google.maps.LatLng(41.850033, -87.6500523);
var mapOptions = {
zoom:7,
mapTypeId: google.maps.MapTypeId.ROADMAP,
center: chicago
}
map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
directionsDisplay.setMap(map);
var inputFrom = /** @type {HTMLInputElement} */(document.getElementById('start'));
var options = {
componentRestrictions: {country: "UK"}
};
var autocompleteFrom = new google.maps.places.Autocomplete(inputFrom, options);
var inputTo = /** @type {HTMLInputElement} */(document.getElementById('end'));
var autocompleteFrom = new google.maps.places.Autocomplete(inputFrom, options);
autocompleteFrom.bindTo('bounds', map);
var infowindow = new google.maps.InfoWindow();
var marker = new google.maps.Marker({
map: map
});
google.maps.event.addListener(autocompleteFrom, 'place_changed', function() {
infowindow.close();
marker.setVisible(false);
inputFrom.className = '';
var place = autocompleteFrom.getPlace();
if (!place.geometry) {
// Inform the user that the place was not found and return.
inputFrom.className = 'notfound';
return;
}
// If the place has a geometry, then present it on a map.
if (place.geometry.viewport) {
map.fitBounds(place.geometry.viewport);
} else {
map.setCenter(place.geometry.location);
map.setZoom(17); // Why 17? Because it looks good.
}
marker.setIcon(/** @type {google.maps.Icon} */({
url: place.icon,
size: new google.maps.Size(71, 71),
origin: new google.maps.Point(0, 0),
anchor: new google.maps.Point(17, 34),
scaledSize: new google.maps.Size(35, 35)
}));
marker.setPosition(place.geometry.location);
marker.setVisible(true);
var address = '';
if (place.address_components) {
address = [
(place.address_components[0] && place.address_components[0].short_name || ''),
(place.address_components[1] && place.address_components[1].short_name || ''),
(place.address_components[2] && place.address_components[2].short_name || '')
].join(' ');
}
infowindow.setContent('<div><strong>' + place.name + '</strong><br>' + address);
infowindow.open(map, marker);
});
autocompleteTo.bindTo('bounds', map);
var infowindow = new google.maps.InfoWindow();
var marker = new google.maps.Marker({
map: map
});
google.maps.event.addListener(autocompleteTo, 'place_changed', function() {
infowindow.close();
marker.setVisible(false);
inputFrom.className = '';
var place = autocompleteTo.getPlace();
if (!place.geometry) {
// Inform the user that the place was not found and return.
inputTo.className = 'notfound';
return;
}
// If the place has a geometry, then present it on a map.
if (place.geometry.viewport) {
map.fitBounds(place.geometry.viewport);
} else {
map.setCenter(place.geometry.location);
map.setZoom(17); // Why 17? Because it looks good.
}
marker.setIcon(/** @type {google.maps.Icon} */({
url: place.icon,
size: new google.maps.Size(71, 71),
origin: new google.maps.Point(0, 0),
anchor: new google.maps.Point(17, 34),
scaledSize: new google.maps.Size(35, 35)
}));
marker.setPosition(place.geometry.location);
marker.setVisible(true);
var address = '';
if (place.address_components) {
address = [
(place.address_components[0] && place.address_components[0].short_name || ''),
(place.address_components[1] && place.address_components[1].short_name || ''),
(place.address_components[2] && place.address_components[2].short_name || '')
].join(' ');
}
infowindow.setContent('<div><strong>' + place.name + '</strong><br>' + address);
infowindow.open(map, marker);
calcRoute();
});
function calcRoute() {
var start =inputFrom.value;
var end = document.getElementById('end').value;
var request = {
origin:start,
destination:end,
travelMode: google.maps.DirectionsTravelMode.DRIVING
};
directionsService.route(request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
}
});
}
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="panel">
<b>Start: </b>
<input id="start" type="text" placeholder="Heathrow Airport" size="30">
<b>End: </b>
<select id="end" onchange="calcRoute();">
<option value="chicago, il">Chicago</option>
<option value="st louis, mo">St Louis</option>
<option value="joplin, mo">Joplin, MO</option>
<option value="oklahoma city, ok">Oklahoma City</option>
<option value="amarillo, tx">Amarillo</option>
<option value="gallup, nm">Gallup, NM</option>
<option value="flagstaff, az">Flagstaff, AZ</option>
<option value="winona, az">Winona</option>
<option value="kingman, az">Kingman</option>
<option value="barstow, ca">Barstow</option>
<option value="san bernardino, ca">San Bernardino</option>
<option value="los angeles, ca">Los Angeles</option>
var方向显示;
var directionsService=new google.maps.directionsService();
var映射;
函数初始化(){
directionsDisplay=new google.maps.DirectionsRenderer();
var chicago=new google.maps.LatLng(41.850033,-87.6500523);
变量映射选项={
缩放:7,
mapTypeId:google.maps.mapTypeId.ROADMAP,
中心:芝加哥
}
map=new google.maps.map(document.getElementById('map-canvas'),mapOptions);
方向显示.setMap(地图);
var inputFrom=/**@type{HTMLInputElement}*/(document.getElementById('start');
变量选项={
组件限制:{国家:“英国”}
};
var autocompleteFrom=new google.maps.places.Autocomplete(inputFrom,options);
var inputTo=/**type{HTMLInputElement}*/(document.getElementById('end');
var autocompleteFrom=new google.maps.places.Autocomplete(inputFrom,options);
自动完成from.bindTo('bounds',map);
var infowindow=new google.maps.infowindow();
var marker=new google.maps.marker({
地图:地图
});
google.maps.event.addListener(autocompleteFrom'place_changed',function(){
infowindow.close();
marker.setVisible(假);
inputFrom.className='';
var place=autocompleteFrom.getPlace();
如果(!place.geometry){
//通知用户未找到该位置并返回。
inputFrom.className='notfound';
返回;
}
//如果该地点有几何图形,则将其显示在地图上。
if(place.geometry.viewport){
map.fitBounds(place.geometry.viewport);
}否则{
地图。设置中心(地点。几何。位置);
map.setZoom(17);//为什么是17?因为它看起来不错。
}
marker.setIcon(/**@type{google.maps.Icon}*/({
url:place.icon,
大小:新谷歌地图大小(71,71),
来源:新google.maps.Point(0,0),
主播:新google.maps.Point(17,34),
scaledSize:新的google.maps.Size(35,35)
}));
标记器.设置位置(位置.几何.位置);
marker.setVisible(true);
var地址=“”;
if(位置、地址和组件){
地址=[
(place.address_components[0]&&place.address_components[0]。简称| | |“”),
(place.address_components[1]&&place.address_components[1]。简称| | |“”),
(place.address_components[2]&&place.address_components[2]。简称| |“”)
].加入(“”);
}
infowindow.setContent(“”+place.name+”
“+地址);
信息窗口。打开(地图、标记);
});
autocompleteTo.bindTo('bounds',map);
var infowindow=new google.maps.infowindow();
var marker=new google.maps.marker({
地图:地图
});
google.maps.event.addListener(autocompleteTo,'place\u changed',function(){
infowindow.close();
marker.setVisible(假);
inputFrom.className='';
var place=autocompleteTo.getPlace();
如果(!place.geometry){
//通知用户未找到该位置并返回。
inputTo.className='notfound';
返回;
}
//如果该地点有几何图形,则将其显示在地图上。
if(place.geometry.viewport){
map.fitBounds(place.geometry.viewport);
}否则{
地图。设置中心(地点。几何。位置);
map.setZoom(17);//为什么是17?因为它看起来不错。
}
marker.setIcon(/**@type{google.maps.Icon}*/({
url:place.icon,
大小:新谷歌地图大小(71,71),
来源:新google.maps.Point(0,0),
主播:新google.maps.Point(17,34),
scaledSize:新的google.maps.Size(35,35)
}));
标记器.设置位置(位置.几何.位置);
marker.setVisible(true);
var地址=“”;
if(位置、地址和组件){
地址=[
(place.address_components[0]&&place.address_components[0]。简称| | |“”),
(place.address_components[1]&&place.address_components[1]。简称| | |“”),
(place.address_components[2]&&place.address_components[2]。简称| |“”)
].加入(“”);
}
infowindow.setContent(“”+place.name+”
“+地址);
信息窗口。打开(地图、标记);
calcRoute();
});
函数calcRoute(){
var start=inputFrom.value;
var end=document.getElementById('end').value;
var请求={
来源:start,
目的地:完,
travelMode:google.maps.Directions travelMode.DRIVING
};
路由(请求、功能(响应、状态){
if(status==google.maps.directionstatus.OK){
方向显示。设置方向(响应);
}
});
}
}
google.maps.event.addDomListener(窗口“加载”,初始化);
开始:
完:
芝加哥
圣路易斯
密苏里州乔普林
俄克拉荷马城
阿马里洛
盖洛普
亚利桑那州弗拉格斯塔夫
维诺娜
金门
巴斯托
圣贝纳迪诺
洛杉矶
此信息存储在路线分支的距离属性中
对于没有ProviderRouteAlternations
和waypoints
的请求,成功的DirectionResponse返回一条route
和1条leg
,因此您可以通过以下方式访问calcRoute
内的距离:
response.routes[0].legs[0].distance.text
对不起,这不清楚。你能简单一点吗。“从原点”显示地图上的标记,但当我选择“到目的地”时,它不会将标记和距离显示为“A--B”点