在google地图上拖拽Marker事件
程序员文章站
2022-03-17 16:19:33
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
var geocoder = new google.maps.Geocoder();
function geocodePosition(pos) {
geocoder.geocode({
latLng: pos
}, function(responses) {
if (responses && responses.length > 0) {
updateMarkerAddress(responses[0].formatted_address);
} else {
updateMarkerAddress('无法确定地址在这个位置。');
}
});
}
function updateMarkerStatus(str) {
document.getElementById('markerStatus').innerHTML = str;
}
function updateMarkerPosition(latLng) {
document.getElementById('info').innerHTML = [
latLng.lat(),
latLng.lng()
].join(', ');
}
function updateMarkerAddress(str) {
document.getElementById('address').innerHTML = str;
}
function initialize() {
var latLng = new google.maps.LatLng(31.1933370274183, 121.43890661621094);
var map = new google.maps.Map(document.getElementById('mapCanvas'), {
zoom: 11,
center: latLng,
mapTypeId: google.maps.MapTypeId.ROADMAP
});
var marker = new google.maps.Marker({
position: latLng,
title: 'Point A',
//icon:"logo.png",
map: map,
draggable: true
});
google.maps.event.addListener(marker, "mouseover", function() {
//marker.setImage('logo.png');
});
google.maps.event.addListener(marker, "mouseout", function() {
//marker.setImage('logo.png');
});
// 更新当前的位置信息
updateMarkerPosition(latLng);
geocodePosition(latLng);
// 添加拖动事件监听器
google.maps.event.addListener(marker, 'dragstart', function() {
updateMarkerAddress('正在搜索...');
});
google.maps.event.addListener(marker, 'drag', function() {
updateMarkerStatus('正在搜索...');
updateMarkerPosition(marker.getPosition());
});
google.maps.event.addListener(marker, 'dragend', function() {
updateMarkerStatus('搜索结束');
geocodePosition(marker.getPosition());
});
}
// 加载载应用程序。
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="mapCanvas" style="height: 600px"></div>
<div id="markerStatus">1</div>
<div id="info">2</div>
<div id="address">3</div>
</body>
</html>