Question

我有一个输入表单，用户应该能够看到与他/她输入的单词相关的地点的建议。我通过谷歌搜索找到的解决方案是使用谷歌地图自动完成。但问题是，我根本不需要地图。我想要的只是当用户在我自己的输入框中输入内容时提供建议的功能。有人可以帮助确定我应该只使用这个googlemap代码的哪一部分来获得我需要的东西吗？

<script>
  // This example requires the Places library. Include the libraries=places
  // parameter when you first load the API. For example:
  // <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&libraries=places">

  function initMap() {
    var map = new google.maps.Map(document.getElementById('map'), {
      center: {lat: -33.8688, lng: 151.2195},
      zoom: 13
    });
    var card = document.getElementById('pac-card');
    var input = document.getElementById('pac-input');
    var types = document.getElementById('type-selector');
    var strictBounds = document.getElementById('strict-bounds-selector');

    map.controls[google.maps.ControlPosition.TOP_RIGHT].push(card);

    var autocomplete = new google.maps.places.Autocomplete(input);

    // Bind the map's bounds (viewport) property to the autocomplete object,
    // so that the autocomplete requests use the current map bounds for the
    // bounds option in the request.
    autocomplete.bindTo('bounds', map);

    var infowindow = new google.maps.InfoWindow();
    var infowindowContent = document.getElementById('infowindow-content');
    infowindow.setContent(infowindowContent);
    var marker = new google.maps.Marker({
      map: map,
      anchorPoint: new google.maps.Point(0, -29)
    });

    autocomplete.addListener('place_changed', function() {
      infowindow.close();
      marker.setVisible(false);
      var place = autocomplete.getPlace();
      if (!place.geometry) {
        // User entered the name of a Place that was not suggested and
        // pressed the Enter key, or the Place Details request failed.
        window.alert("No details available for input: '" + place.name + "'");
        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.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(' ');
      }

      infowindowContent.children['place-icon'].src = place.icon;
      infowindowContent.children['place-name'].textContent = place.name;
      infowindowContent.children['place-address'].textContent = address;
      infowindow.open(map, marker);
    });

    // Sets a listener on a radio button to change the filter type on Places
    // Autocomplete.
    function setupClickListener(id, types) {
      var radioButton = document.getElementById(id);
      radioButton.addEventListener('click', function() {
        autocomplete.setTypes(types);
      });
    }

    setupClickListener('changetype-all', []);
    setupClickListener('changetype-address', ['address']);
    setupClickListener('changetype-establishment', ['establishment']);
    setupClickListener('changetype-geocode', ['geocode']);

    document.getElementById('use-strict-bounds')
        .addEventListener('click', function() {
          console.log('Checkbox clicked! New state=' + this.checked);
          autocomplete.setOptions({strictBounds: this.checked});
        });
  }
</script>
<script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&libraries=places&callback=initMap"
    async defer></script>

上面的代码段来自以下this url：

https://developers.google.com/maps/documentation/javascript/examples/places-autocomplete

Answer 1

本文档中的示例不包含地图： https://developers.google.com/maps/documentation/javascript/examples/places-autocomplete-addressform

如何使用谷歌地图的自动完成没有地图但只有地方的自动建议？

1 个答案: