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我正在努力創建一個地圖，默認情況下加載地址，並顯示在搜索框中的標記和地址的地方，工作正常。但我需要添加將首先刪除所有標記然後放置標記的單擊事件。到目前爲止，我開發的腳本是我所需要的。但是，當用戶點擊地圖時，搜索框將獲取地址，但舊標記不會刪除，並且新標記不會顯示在點擊位置。谷歌地圖刪除所有標記，然後創建新
這裏我的工作示例代碼： https://jsfiddle.net/ehsLLg26/
這裏我的代碼：
<script type="text/javascript">
function initAutocomplete() {
var myOptions = {
zoom: 15,
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControl: false
}
var map;
var marker;
var geocoder = new google.maps.Geocoder();
var address = document.getElementById('pac-input').value;
var infowindow = new google.maps.InfoWindow();
geocoder.geocode({ address: address}, function(results, status) {
if (status == google.maps.GeocoderStatus.OK && results.length) {
if (status != google.maps.GeocoderStatus.ZERO_RESULTS) {
//create map
map = new google.maps.Map(document.getElementById("map"), myOptions);
//center map
map.setCenter(results[0].geometry.location);
//create marker
marker = new google.maps.Marker({
position: results[0].geometry.location,
map: map,
title: document.getElementById('pac-input').value,
});
// Create the search box and link it to the UI element.
var input = document.getElementById('pac-input');
var searchBox = new google.maps.places.SearchBox(input);
map.controls[google.maps.ControlPosition.TOP_LEFT].push(input);
// Bias the SearchBox results towards current maps viewport.
map.addListener('bounds_changed', function() {
searchBox.setBounds(map.getBounds());
});
var markers = [];
// Listen for the event fired when the user selects a prediction and retrieve
// more details for that place.
searchBox.addListener('places_changed', function() {
var places = searchBox.getPlaces();
if (places.length == 0) {
return;
}
// Clear out the old markers.
markers.forEach(function(marker) {
marker.setMap(null);
});
marker.setMap(null);
markers = [];
// For each place, get the icon, name and location.
var bounds = new google.maps.LatLngBounds();
places.forEach(function(place) {
var icon = {
url: place.icon,
size: new google.maps.Size(71, 71),
origin: new google.maps.Point(0, 0),
anchor: new google.maps.Point(17, 34),
scaledSize: new google.maps.Size(25, 25)
};
// Create a marker for each place.
markers.push(new google.maps.Marker({
map: map,
title: place.name,
position: place.geometry.location
}));
if (place.geometry.viewport) {
// Only geocodes have viewport.
bounds.union(place.geometry.viewport);
} else {
bounds.extend(place.geometry.location);
}
});
map.fitBounds(bounds);
});
google.maps.event.addListener(map, 'click', function(event) {
geocoder.geocode({
'latLng': event.latLng
}, function(results, status) {
if (status == google.maps.GeocoderStatus.OK) {
if (results[0]) {
document.getElementById('pac-input').value = results[0].formatted_address;
}
}
});
placeMarker(event.latLng);
});
function placeMarker(location) {
if (marker) {
marker.setPosition(location);
} else {
marker = new google.maps.Marker({
position: place.geometry.location,
map: map,
title: place.name,
});
}
}
}
}
else {
$('#map').css({'height' : '15px'});
$('#map').html("Oops! address could not be found, please make sure the address is correct.");
resizeIframe();
}
});
function resizeIframe() {
var me = window.name;
if (me) {
var iframes = parent.document.getElementsByName(me);
if (iframes && iframes.length == 1) {
height = document.body.offsetHeight;
iframes[0].style.height = height + "px";
}
}
}
}
</script>
如何重現問題：1. 運行腳本 2.在搜索框中輸入任意地址，然後點擊進入 3.標記添加後，點擊附近的位置 結果：舊標誌不會被刪除，新的標誌不顯示。 預期結果：舊標記刪除並出現新標記。
//清除出單擊事件 –
裏面的舊標誌從小提琴刪除您的鑰匙！ –
@Dinesh，添加marker.setMap（null）;到功能placeMarker不起作用。 – Viktor