我有让 PHP 插入所有坐标的坐标（Long & Lat），但我不知道如何更改 javascript 以纠正过度查询限制错误。
这是代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title></title>
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script type="text/javascript" src="markerclusterer.js"></script>
<script type="text/javascript">
var map;
//marker clusterer
var mc;
var mcOptions = {gridSize: 20, maxZoom: 17};
//global infowindow
var infowindow = new google.maps.InfoWindow();
//geocoder
var geocoder = new google.maps.Geocoder();
var address = new Array(<?php echo(substr($point_str, 0, -2));?>);
var content = new Array(<?php echo(substr($marker_str, 0, -2));?>);
//min and max limits for multiplier, for random numbers
//keep the range pretty small, so markers are kept close by
var min = .999999;
var max = 1.000001;
function createMarker(latlng,text) {
///get array of markers currently in cluster
var allMarkers = mc.getMarkers();
//final position for marker, could be updated if another marker already exists in same position
var finalLatLng = latlng;
//check to see if any of the existing markers match the latlng of the new marker
if (allMarkers.length != 0) {
for (i=0; i < allMarkers.length; i++) {
var existingMarker = allMarkers[i];
var pos = existingMarker.getPosition();
//if a marker already exists in the same position as this marker
if (latlng.equals(pos)) {
//update the position of the coincident marker by applying a small multipler to its coordinates
var newLat = latlng.lat() * (Math.random() * (max - min) + min);
var newLng = latlng.lng() * (Math.random() * (max - min) + min);
finalLatLng = new google.maps.LatLng(newLat,newLng);
}
}
}
var marker = new google.maps.Marker({
position: finalLatLng
});
google.maps.event.addListener(marker, 'click', function() {
infowindow.close();
infowindow.setContent(text);
infowindow.open(map,marker);
});
return marker;
}
function geocodeAddress(address,i) {
geocoder.geocode( {'address': address}, function(results, status) {
if (status == google.maps.GeocoderStatus.OK)
{
var marker = createMarker(results[0].geometry.location,content[i]); mc.addMarker(marker);
}
else
{
alert("Geocode was not successful for the following reason: " + status);
}
});
}
function initialize(){
var options = {
zoom: 4,
center: new google.maps.LatLng(39.8282,-98.5795),
mapTypeId: google.maps.MapTypeId.ROADMAP
};
map = new google.maps.Map(document.getElementById('map'), options);
//marker cluster
mc = new MarkerClusterer(map, [], mcOptions);
for (i=0; i<address.length; i++) {
geocodeAddress(address[i],i);
}
}
</script>
<style>
html, body, #map {
height: 100%;
width: 100%;
margin: 0;
padding: 0;
}
</style>
</head>
<body onload='initialize()'>
<div id="map"></div>
</body>
</html>
这是 HTML 输出：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title></title>
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script type="text/javascript" src="markerclusterer.js"></script>
<script type="text/javascript">
var map;
//marker clusterer
var mc;
var mcOptions = {gridSize: 20, maxZoom: 17};
//global infowindow
var infowindow = new google.maps.InfoWindow();
//geocoder
var geocoder = new google.maps.Geocoder();
var address = new Array("42.0619,-72.2136",
"28.06,-81.9561",
"30.3375,-81.7686",
"30.3375,-81.7686",
"41.7684,-88.1366",
"28.06,-81.9561",
"40.086,-82.486",
"40.6278,-79.0896",
"39.0197,-84.5914",
"41.8119,-87.6873",
"28.06,-81.9561",
"42.8698,-85.9697",
"42.8358,-85.6644",
"41.0309,-92.4098",
"39.1024,-94.5986",
"33.6115,-84.3745",
"34.84,-115.967",
"33.0807,-81.9868",
"41.7369,-73.7411",
"41.9214,-87.8924");
var content = new Array("UnitNo1",
"UnitNo2",
"UnitNo3",
"UnitNo4",
"UnitNo5",
"UnitNo6",
"UnitNo7",
"UnitNo8",
"UnitNo9",
"UnitNo10",
"UnitNo11",
"UnitNo12",
"UnitNo13",
"UnitNo14",
"UnitNo15",
"UnitNo16",
"UnitNo17",
"UnitNo18",
"UnitNo19",
"UnitNo20");
//min and max limits for multiplier, for random numbers
//keep the range pretty small, so markers are kept close by
var min = .999999;
var max = 1.000001;
function createMarker(latlng,text) {
///get array of markers currently in cluster
var allMarkers = mc.getMarkers();
//final position for marker, could be updated if another marker already exists in same position
var finalLatLng = latlng;
//check to see if any of the existing markers match the latlng of the new marker
if (allMarkers.length != 0) {
for (i=0; i < allMarkers.length; i++) {
var existingMarker = allMarkers[i];
var pos = existingMarker.getPosition();
//if a marker already exists in the same position as this marker
if (latlng.equals(pos)) {
//update the position of the coincident marker by applying a small multipler to its coordinates
var newLat = latlng.lat() * (Math.random() * (max - min) + min);
var newLng = latlng.lng() * (Math.random() * (max - min) + min);
finalLatLng = new google.maps.LatLng(newLat,newLng);
}
}
}
var marker = new google.maps.Marker({
position: finalLatLng
});
google.maps.event.addListener(marker, 'click', function() {
infowindow.close();
infowindow.setContent(text);
infowindow.open(map,marker);
});
return marker;
}
function geocodeAddress(address,i) {
geocoder.geocode( {'address': address}, function(results, status) {
if (status == google.maps.GeocoderStatus.OK)
{
var marker = createMarker(results[0].geometry.location,content[i]); mc.addMarker(marker);
}
else
{
alert("Geocode was not successful for the following reason: " + status);
}
});
}
function initialize(){
var options = {
zoom: 4,
center: new google.maps.LatLng(39.8282,-98.5795),
mapTypeId: google.maps.MapTypeId.ROADMAP
};
map = new google.maps.Map(document.getElementById('map'), options);
//marker cluster
mc = new MarkerClusterer(map, [], mcOptions);
for (i=0; i<address.length; i++) {
geocodeAddress(address[i],i);
}
}
</script>
<style>
html, body, #map {
height: 100%;
width: 100%;
margin: 0;
padding: 0;
}
</style>
</head>
<body onload='initialize()'>
<div id="map"></div>
</body>
</html>
谢谢！