我正在做一个谷歌地图项目,需要创建一个点击它的路线。
我的项目有两个点,它们有一个预定义的lat和lng,我想自己画点a和B的开始和结束,不要失去它的功能。
我做了另一个项目,你可以点击它来绘制路线,但它没有标记,也不可拖拉,这是我的实际项目,有完整的代码我将在这里张贴一个简短的代码,只有我的指示。
我希望我第一次点击到点A,第二次点击到我的点B,并有可能拖动它们,就像项目链接一样
function goma()
{
var mapDiv = document.getElementById('mappy');
var mapOptions = {
zoom: 12,
center: new google.maps.LatLng(-23.563594, -46.654239),
mapTypeId : google.maps.MapTypeId.ROADMAP
}
pode ser ROADMAP, SATELLITE, HYBRID, TERRAIN
map = new google.maps.Map( mapDiv, mapOptions );
//Render route, etc.
ren = new google.maps.DirectionsRenderer( {'draggable':true} );
ren.setMap(map);
ren.setPanel(document.getElementById("directionsPanel"));
ser = new google.maps.DirectionsService();
//Create the route
ser.route({ 'origin': new google.maps.LatLng(-23.563594, -46.654129), 'destination': new google.maps.LatLng(
-23.563672, -46.640396), 'travelMode': google.maps.DirectionsTravelMode.DRIVING},function(res,sts) {
if(sts=='OK')ren.setDirections(res);
})
}
我在这里更新我的代码,我只做了路a,那是第一个路点,第二个是预定义的latLng,在你点击的地方,它会得到latLng并放在"原点"内。
google.maps.event.addListener(map, "click", function(event) {
wayA = new google.maps.Marker({
position: event.latLng,
map: map
});
});
ren = new google.maps.DirectionsRenderer( {'draggable':true} );
ren.setMap(map);
ren.setPanel(document.getElementById("directionsPanel"));
ser = new google.maps.DirectionsService();
ser.route({ 'origin': wayA, 'destination': new google.maps.LatLng(
-23.563672, -46.640396), 'travelMode': google.maps.DirectionsTravelMode.DRIVING},function(res,sts) {
if(sts=='OK')ren.setDirections(res);
})
这是我对完整代码的测试
概念:(听起来这就是你想要的)
- 向映射中添加单击事件侦听器
- 当用户点击地图时,添加一个可拖动的标记(我会给它添加一个点击监听器,这样他们就可以通过点击来删除它)
- 当用户第二次点击地图时,添加第二个可拖动标记
- 当添加第二个标记时,使用两个标记的位置呼叫方向服务
- 如果任一标记被拖动,请再次调用方向服务
(如果这是你正在尝试的,并且遇到了问题,代码或实时链接会很有帮助)
您缺少#3和#4
工作示例
代码片段:
var map, ren, ser;
var data = {};
var data2 = {};
var marker;
var infowindow;
var doMark = true;
var directionsDisplay;
var wayA;
var wayB;
//Função de Inicio
function goma() {
var mapDiv = document.getElementById('mappy');
var mapOptions = {
zoom: 12,
center: new google.maps.LatLng(-23.563594, -46.654239),
mapTypeId: google.maps.MapTypeId.ROADMAP
}
//Cria o mapa do google, coloca as definições do mapa, como tipo de visualização, pode ser ROADMAP, SATELLITE, HYBRID, TERRAIN
map = new google.maps.Map(mapDiv, mapOptions);
var control = document.createElement('DIV');
control.style.padding = '1px';
control.style.border = '1px solid #000';
control.style.backgroundColor = 'white';
control.style.cursor = 'pointer';
control.innerHTML = '<img src="https://web.archive.org/web/20151226013612if_/http://i47.tinypic.com/2dlp2fc.jpg" border="0" alt="Image and video hosting by TinyPic">';
control.index = 1;
map.controls[google.maps.ControlPosition.TOP_RIGHT].push(control);
google.maps.event.addDomListener(control, 'click', function() {
doMark = false;
markNow();
});
google.maps.event.addListener(map, "click", function(event) {
if (!wayA) {
wayA = new google.maps.Marker({
position: event.latLng,
map: map
});
} else {
wayB = new google.maps.Marker({
position: event.latLng,
map: map
});
//Renderiza a rota, o draggable é diz se o waypoint é arrastavel ou não
ren = new google.maps.DirectionsRenderer({
'draggable': true
});
ren.setMap(map);
ren.setPanel(document.getElementById("directionsPanel"));
ser = new google.maps.DirectionsService();
//Cria a rota, o DirectionTravelMode pode ser: DRIVING, WALKING, BICYCLING ou TRANSIT
ser.route({
'origin': wayA.getPosition(),
'destination': wayB.getPosition(),
'travelMode': google.maps.DirectionsTravelMode.DRIVING
}, function(res, sts) {
if (sts == 'OK') ren.setDirections(res);
})
}
});
}
var html = "<table>" +
"<tr><td>Nome:</td> <td><input type='text' id='name'/> </td> </tr>" +
"<tr><td>Endereco:</td> <td><input type='text' id='address'/></td> </tr>" +
"<tr><td>Tipo:</td> <td><select id='type'>" +
"<option value='oficina' SELECTED>oficina</option>" +
"<option value='restaurante'>restaurante</option>" +
"</select> </td></tr>" +
"<tr><td></td><td><input type='button' value='Salvar' onclick='saveData()'/></td></tr>";
infowindow = new google.maps.InfoWindow({
content: html
});
google.maps.event.addDomListener(window, 'load', goma);
html,
body {
height: 100%;
width: 100%;
}
<script src="https://maps.google.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk"></script>
<div id="mappy" style="float:left;width:70%; height:100%"></div>
<div id="directionsPanel" style="float:right;width:30%;height 100%"></div>
<div>
<label>Endereco</label>
</div>