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[英]Google Maps API must click on marker twice to dynamically display image
[英]Google js api different marker image for each marker dynamically
我正在用他跟隨js來添加google map,它在foreach循環中從數據庫中提取了我的所有位置,我希望每個標記都有一個不同的圖標,並將其存儲在by字段中。
假設例如我有一個名為filename的字段,它將存儲圖像路徑/名稱(icon.jpg)。
我想知道如何才能使用August Li編寫的腳本來做到這一點。
<script type="text/javascript">
//Sample code written by August Li
var icon = new google.maps.MarkerImage("http://maps.google.com/mapfiles/ms/micons/blue.png",
new google.maps.Size(32, 32), new google.maps.Point(0, 0),
new google.maps.Point(16, 32));
var center = null;
var map = null;
var currentPopup;
var bounds = new google.maps.LatLngBounds();
function addMarker(lat, lng, info) {
var pt = new google.maps.LatLng(lat, lng);
bounds.extend(pt);
var marker = new google.maps.Marker({
position: pt,
icon: icon,
map: map
});
var popup = new google.maps.InfoWindow({
content: info,
maxWidth: 300
});
google.maps.event.addListener(marker, "click", function() {
if (currentPopup != null) {
currentPopup.close();
currentPopup = null;
}
popup.open(map, marker);
currentPopup = popup;
});
google.maps.event.addListener(popup, "closeclick", function() {
map.panTo(center);
currentPopup = null;
});
}
function initMap() {
map = new google.maps.Map(document.getElementById("map"), {
center: new google.maps.LatLng(0, 0),
zoom: 14,
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControl: true,
mapTypeControlOptions: {
style: google.maps.MapTypeControlStyle.HORIZONTAL_BAR
},
navigationControl: true,
navigationControlOptions: {
style: google.maps.NavigationControlStyle.ZOOM_PAN
}
});
<?php
foreach ($dataProvider->models as $model) {
echo "addMarker({$model->lat}, {$model->lon}, '<b>$model->name</b><br />$model->website');";
}
?>
center = bounds.getCenter();
map.fitBounds(bounds);
}
</script>
您只需要一個類似的功能:
function makeIcon(filename) {
return new google.maps.MarkerImage(
"http://example.com/path/to/icons/" + filename,
new google.maps.Size(32, 32), new google.maps.Point(0, 0),
new google.maps.Point(16, 32)
);
}
當然會更新圖標文件位置的路徑。
然后,您需要更新addMarker函數以接受圖標參數:
function addMarker(lat, lng, gicon, info) {
var pt = new google.maps.LatLng(lat, lng);
bounds.extend(pt);
var marker = new google.maps.Marker({
position: pt,
icon: gicon,
map: map
});
...
然后在您的PHP循環中,您需要單獨添加makeIcon()調用。 因此,例如
<?php
foreach ($dataProvider->models as $model) {
echo "gicon = makeIcon(your filename);";
echo "addMarker({$model->lat}, {$model->lon}, gicon, '<b>$model->name</b><br />$model->website');";
}
?>
這將根據您的文件名回顯代碼以獲取gIcon對象,然后將其傳遞給修改后的addMarker。
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