Javascript 在谷歌地图中移动标记和更新位置

我使用的是谷歌地图，你可以在文本字段中键入一个地点，然后你会在谷歌地图上看到一个带有坐标的标记。您还可以移动制造者，然后更新信息框中的坐标。但是如何更新文本字段中的地名呢？多谢各位

这是jquery脚本：

var map;

function initMap() {

    var geocoder = new google.maps.Geocoder();
    var startaddress = $('#form_inp19').val();  

    geocoder.geocode({ 'address': startaddress }, function (results, status) {

        if (status === google.maps.GeocoderStatus.OK) {
            startLocationMap = results[0].geometry.location;
            map = new google.maps.Map(document.getElementById('map'), {
                zoom: 12,
                center: startLocationMap
            });

            geocoder = new google.maps.Geocoder();

            document.getElementById('submit').addEventListener('click', function () {
                geocodeAddress(geocoder, map);
           });
        } else {
            alert('Place doesnt exist on the map: ' + status);
        }
        if (typeof google.maps == 'undefined') {
            /* custom functions to alert the user to the error */
            return 0;
        }
    });

}//end function initMap

$(document).ready(function () {

    if (typeof google.map == 'undefined') {
        return 0;
    }
     map = new google.maps.Map(document.getElementById('map'),
  mapOptions);
});


function toggleBounce() {
    if (marker.getAnimation() !== null) {
        marker.setAnimation(null);
    } else {
        marker.setAnimation(google.maps.Animation.BOUNCE);
    }
}

var marker;
var infowindow;
function geocodeAddress(geocoder, resultsMap) {
    if (typeof infowindow != 'undefined') {
        infowindow.close();
    }

    if (typeof marker != 'undefined') {
        marker.setMap(null);
    }

    var address = document.getElementById('address').value;
    geocoder.geocode({ 'address': address }, function (results, status) {

        if (status === google.maps.GeocoderStatus.OK) {
            resultsMap.setCenter(results[0].geometry.location);
            marker = new google.maps.Marker({
                map: resultsMap,
                draggable: true,
                animation: google.maps.Animation.DROP,
                position: results[0].geometry.location,
                title: "Drag me!"
            });           

        } else {
            alert('Place doesnt exist on the map: ' + status);
        }

        infowindow = new google.maps.InfoWindow({
            content: '<p>Marker Location:'
                    + 'lat: ' + marker.getPosition().lat().toFixed(6)
                    + ', '
                    + 'lng: ' + marker.getPosition().lng().toFixed(6)
                    + '</p>'            


        });       

        $(".geolocation_lat ").val(marker.getPosition().lat().toFixed(6)) //= marker.getPosition().lat().toFixed(6);
        $(".geolocation_long ").val(marker.getPosition().lng().toFixed(6))       

        google.maps.event.addListener(marker, 'dragend', function (event) {
            if (typeof infowindow != 'undefined') {
                infowindow.close();
            }
            infowindow = new google.maps.InfoWindow({
                content: '<p>Marker Location:'
                    + 'lat: ' + event.latLng.lat().toFixed(6)
                    + ', '
                    + 'lng: ' + event.latLng.lng().toFixed(6)
                    + '</p>'
            });
            $(".geolocation_lat ").val(event.latLng.lat().toFixed(6)); //= marker.getPosition().lat().toFixed(6);
            $(".geolocation_long ").val(event.latLng.lng().toFixed(6));

            infowindow.open(map, marker);
        });

        infowindow.open(map, marker);

        google.maps.event.addListener(marker, 'click', function (event) {
            if (typeof infowindow != 'undefined') {
                infowindow.open(map, marker);
            }
        });
    });
}

我看到地址：

responses[0]。格式化地址“Belle van Zuylenlaan 23-242642 Pijnacker，Nederland”

但是如何在文本字段中只获取地名呢

---

谢谢你的dragend listener

  google.maps.event.addListener(marker, 'dragend', function() {
    geocodePosition(marker.getPosition());
  });

及

---

oh put geocoder=new google.maps.geocoder（）；在geocoder.geocode（{u missed.value，即document.getElementById（'address'）.value=”“是的，谢谢。它现在可以工作（$（“#address”）.val（responses[3]。格式化的#address）；）。但是如何只获取地名，而不获取地址和邮政编码呢？谢谢

document.getElementById('address') = responses[0].formatted_address;

  google.maps.event.addListener(marker, 'dragend', function() {
    geocodePosition(marker.getPosition());
  });

function geocodePosition(pos) {
  geocoder = new google.maps.Geocoder();
  geocoder.geocode({
    latLng: pos
  }, function(responses) {
    if (responses && responses.length > 0) {
      document.getElementById('yourTextBoxId').value=responses[0].formatted_address;
    } else {
      document.getElementById('yourTextBoxId').value='Cannot determine address at this location.';
    }
  });
}