这是我的代码(来自Google API页面的大多数代码)。
<script>
var beaches = [
['Bondi Beach', -12.890542, 120.274856, 4],
['Coogee Beach', -12.923036, 520.259052, 5],
['Cronulla Beach', -12.028249, 1221.157507, 3],
['Manly Beach', -12.80010128657071, 1121.28747820854187, 2],
['Maroubra Beach', -33.950198, 121.259302, 1]
];
function setMarkers(map, locations) {
for (var i = 0; i < locations.length; i++) {
var beach = locations[i];
var myLatLng = new google.maps.LatLng(beach[1], beach[2]);
var marker = new google.maps.Marker({
position: myLatLng,
map: map,
title: beach[0],
zIndex: beach[3]
});
}
}
function initialize() {
var mapOptions = {
zoom: 3,
center: new google.maps.LatLng(38.77417, -9.13417),
mapTypeId: google.maps.MapTypeId.SATELLITE
}
var map = new google.maps.Map(document.getElementById('map-canvas'),
mapOptions);
setMarkers(map, beaches);
}
google.maps.event.addDomListener(window, 'load', initialize);
setInterval(function() { setMarkers(map, beaches); }, 5000);
</script>
我只想做的就是仅重新加载标记。我尝试使用初始化函数重新加载地图,但没有成功。然后我尝试使用setMarkers函数重新加载,仍然没有运气...
谢谢你的帮助。
您应该做的几件事/与原始代码相比我已经改变的事情:
animation: google.maps.Animation.DROP,
,以便可以看到它们何时被重新加载,以及一个重新加载标记按钮来调用重新加载功能。基本上,您想做的是:
setMarkers
函数中创建每个标记markers
数组setMap(null)
每个标记从地图上删除setMarkers
再次致电以重新绘制标记更新的代码:
var map;
var markers = []; // Create a marker array to hold your markers
var beaches = [
['Bondi Beach', 10, 10, 4],
['Coogee Beach', 10, 11, 5],
['Cronulla Beach', 10, 12, 3],
['Manly Beach', 10, 13, 2],
['Maroubra Beach', 10, 14, 1]
];
function setMarkers(locations) {
for (var i = 0; i < locations.length; i++) {
var beach = locations[i];
var myLatLng = new google.maps.LatLng(beach[1], beach[2]);
var marker = new google.maps.Marker({
position: myLatLng,
map: map,
animation: google.maps.Animation.DROP,
title: beach[0],
zIndex: beach[3]
});
// Push marker to markers array
markers.push(marker);
}
}
function reloadMarkers() {
// Loop through markers and set map to null for each
for (var i=0; i<markers.length; i++) {
markers[i].setMap(null);
}
// Reset the markers array
markers = [];
// Call set markers to re-add markers
setMarkers(beaches);
}
function initialize() {
var mapOptions = {
zoom: 5,
center: new google.maps.LatLng(10,12),
mapTypeId: google.maps.MapTypeId.SATELLITE
}
map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
setMarkers(beaches);
// Bind event listener on button to reload markers
document.getElementById('reloadMarkers').addEventListener('click', reloadMarkers);
}
initialize();
工作示例:
本文收集自互联网,转载请注明来源。
如有侵权,请联系[email protected] 删除。
我来说两句