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私は入力フィールドに座標が、私はそれを行う方法がわからないマーカーを置くしようとしている。（ 私の例はここにある： https://skni.org/map.html 私はその変数の座標を取得する：Googleマップから座標を入力フィールドに入力する方法は？
var infowindow = new google.maps.InfoWindow({
content: '' + marker.getPosition() + ''
私は地図上のカップルのマーカーを置くことができるようにし、その後、すべてはので、私は、データベースに
私のコードにそれらを送ることができる値は、入力フィールドに行くべき座標になります。 script.js
// In the following example, markers appear when the user clicks on the map.
// The markers are stored in an array.
// The user can then click an option to hide, show or delete the markers.
var map;
var markers = [];
window.initMap = function(){
var haightAshbury = {lat: 52.131514, lng: 20.913248};
map = new google.maps.Map(document.getElementById('map'), {
zoom: 17,
center: haightAshbury,
mapTypeId: 'satellite'
});
// This event listener will call addMarker() when the map is clicked.
map.addListener('click', function(event) {
addMarker(event.latLng);
});
// Adds a marker at the center of the map.
addMarker(haightAshbury);
}
// Adds a marker to the map and push to the array.
function addMarker(latlng) {
var marker = new google.maps.Marker({
position: latlng,
map: map,
title: 'Set lat/lon values for this property',
draggable: true
});
var infowindow = new google.maps.InfoWindow({
content: '' + marker.getPosition() + ''
});
google.maps.event.addListener(marker, 'click', function() {
infowindow.open(map, marker);
});
markers.push(marker);
}
// Sets the map on all markers in the array.
function setMapOnAll(map) {
for (var i = 0; i < markers.length; i++) {
markers[i].setMap(map);
}
}
// Removes the markers from the map, but keeps them in the array.
function clearMarkers() {
setMapOnAll(null);
}
// Shows any markers currently in the array.
function showMarkers() {
setMapOnAll(map);
}
// Deletes all markers in the array by removing references to them.
function deleteMarkers() {
clearMarkers();
markers = [];
}
htmlコード：
<!DOCTYPE html>
<html>
<head>
<title>Remove Markers</title>
<style>
/* Always set the map height explicitly to define the size of the div
* element that contains the map. */
#map {
height: 100%;
}
/* Optional: Makes the sample page fill the window. */
html, body {
height: 100%;
margin: 0;
padding: 0;
}
#floating-panel {
position: absolute;
top: 10px;
left: 25%;
z-index: 5;
background-color: #fff;
padding: 5px;
border: 1px solid #999;
text-align: center;
font-family: 'Roboto','sans-serif';
line-height: 30px;
padding-left: 10px;
}
</style>
</head>
<body>
<div id="floating-panel">
<form action="/action_page.php">
Coordinates:<br>
<input type="text" name="coordinates" size="55" value="How to get coordinates from info window after clicking on markers?">
<br>
<input type="submit" value="Submit">
</form>
<br />
<input onclick="clearMarkers();" type=button value="Hide Markers">
<input onclick="showMarkers();" type=button value="Show All Markers">
<input onclick="deleteMarkers();" type=button value="Delete Markers">
</div>
<div id="map"></div>
<p>Click on the map to add markers geocoorditanes.</p>
<div id="map-canvas"> </div>
<script src="script.js" ></script>
<script async defer
src="https://maps.googleapis.com/maps/api/js?key=MYKEY&callback=initMap"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
</body>
</html>