谷歌地图v3上的可点击驾驶方向



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)

  1. 向映射中添加单击事件侦听器
  2. 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)
  3. 当用户第二次点击地图时,添加第二个可拖动标记
  4. 当添加第二个标记时,使用两个标记的位置呼叫方向服务
  5. 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>

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