9

我正在尝试使用 Google Places Library 检索地点详细信息。当您单击地点标记时,我希望能够看到地址、名称、网站等。

我正在使用以下教程: http ://code.google.com/apis/maps/documentation/javascript/places.html

一切似乎进展顺利。在我的标记中,我可以显示名称和评级,但地址、网站和电话号码都显示为“未定义”。这是因为 Google 没有我要求的关于这些地点的信息吗?还是我做错了什么?

这是我正在使用的代码: var map; 变量信息窗口;

  function initialize() {
    var pyrmont = new google.maps.LatLng(-33.8665433, 151.1956316);

    map = new google.maps.Map(document.getElementById('map_canvas'), {
      mapTypeId: google.maps.MapTypeId.ROADMAP,
      center: pyrmont,
      zoom: 15
    });

    var request = {
      location: pyrmont,
      radius: 5000,
      types: ['bar']
    };
    infowindow = new google.maps.InfoWindow();
    service = new google.maps.places.PlacesService(map);
    service.search(request, callback);
  }

  function callback(results, status) {
    if (status == google.maps.places.PlacesServiceStatus.OK) {
      for (var i = 0; i < results.length; i++) {
        createMarker(results[i]);
      }
    }
  }

  function createMarker(place) {
    var placeLoc = place.geometry.location;
    var marker = new google.maps.Marker({
      map: map,
      position: place.geometry.location
    });

    google.maps.event.addListener(marker, 'click', function() {
      infowindow.setContent(place.name + "<br />" + place.formatted_address +"<br />" + place.website + "<br />" + place.rating + "<br />" + place.formatted_phone_number);
      infowindow.open(map, this);
    });
  }

任何帮助或想法将不胜感激。

干杯。

JA

4

2 回答 2

21

您正在执行地点搜索,它不会返回您正在使用的所有字段:

http://code.google.com/apis/maps/documentation/javascript/places.html#place_search_responses

为了获取地址、网站等,您还需要调用place.getDetails(),传递 Place 的reference. 看:

http://code.google.com/apis/maps/documentation/javascript/places.html#place_details_requests

粗略地说,您的代码将更改为:

  function createMarker(place) {
    var placeLoc = place.geometry.location;
    var marker = new google.maps.Marker({
      map: map,
      position: place.geometry.location
    });

    var request = { reference: place.reference };
    service.getDetails(request, function(details, status) {
      google.maps.event.addListener(marker, 'click', function() {
        infowindow.setContent(details.name + "<br />" + details.formatted_address +"<br />" + details.website + "<br />" + details.rating + "<br />" + details.formatted_phone_number);
        infowindow.open(map, this);
      });
    });
  }
于 2012-03-01T20:16:35.830 回答
0

根据上面的 Mikes 响应,我建议将呼叫移至如下所示的侦听器中。这样,只有在用户单击标记时才会调用 API,而不是在渲染大量标记的情况下单击数百次。

function createMarker(place) {
    var placeLoc = place.geometry.location;
    var marker = new google.maps.Marker({
      map: map,
      position: place.geometry.location
    });

    var request = { reference: place.reference };

    google.maps.event.addListener(marker, 'click', function() {
      service.getDetails(request, function(details, status) {
      infowindow.setContent(details.name + "<br />" + details.formatted_address +"<br />" + details.website + "<br />" + details.rating + "<br />" + details.formatted_phone_number);
      infowindow.open(map, this);
    });
});

}

于 2020-01-03T20:55:16.593 回答