<?php
error_reporting(E_ALL ^ E_DEPRECATED);
$conn = mysql_connect("localhost", "root", "root") or die(mysql_error());
mysql_select_db("db_jawandsons") or die(mysql_error());
?>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<title>Google Maps</title>
<!-------- Customizable Css for Map ----------------------------->
<style type="text/css">
body { font: normal 10pt Helvetica, Arial; }
#map { width: 1200px; height: 500px; border: 0px; padding: 0px; }
</style>
<!---------------- Java Scripts for Map ----------------->
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js" ></script>
<!------------- Java Scripts for Map ------------------->
<script type="text/javascript">
var marker;
var map = null;
var markersArray = [];
//--------------------- Sample code written by vIr ------------
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 currentPopup;
var bounds = new google.maps.LatLngBounds();
function addMarker(lat, lng, info) {
var pt = new google.maps.LatLng(lat, lng);
bounds.extend(pt);
marker = new google.maps.Marker({
position: pt,
draggable: true,
raiseOnDrag: true,
icon: icon,
map: map
});
markersArray.push(marker);
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
}
});
setInterval(function mapload(){
$.ajax({
type: "POST",
url: 'location.php',
// data: form_data,
success: function(data)
{
// alert(data);
// var json_obj = $.parseJSON(data);//parse JSON
var json_obj = jQuery.parseJSON(JSON.stringify(data));
for (var i in json_obj)
{ addMarker(json_obj[i].u_lat, json_obj[i].u_lon,"Longitude:" + json_obj[i].u_lon + "<br>" + json_obj[i].u_email + "<br>" + json_obj[i].u_name);
}
},
dataType: "json"//set to JSON
})
},3000);
center = bounds.getCenter();
map.fitBounds(bounds);
}
setInterval(function removeMarker() {
if (markersArray) {
for (i=0; i < markersArray.length; i++) {
markersArray[i].setMap(null);
marker=null;
}
markersArray.length = 0;
}
},3000);
</script>
</head>
<body onLoad="initMap()" style="margin:0px; border:0px; padding:0px;">
<div id="map"></div>
</body>
</html>
It does not add markers to the map.how can i add markers to the map. please anyone tell me where is the problem is, thank in advance :)
<?php
$conn = mysql_connect("localhost", "root", "root") or die(mysql_error());
mysql_select_db("db_jawandsons") or die(mysql_error());
$return_arr = array();
$data=array();
$result = mysql_query("SELECT lat,lng,vname,speed FROM v_data where sno='1'")or die(mysql_error());
while ($row = mysql_fetch_assoc($result)) {
$data[] = $row['lat'];
$data[] = $row['lng'];
$data[] = $row['vname'];
$data[] = $row['speed'];
//array_push($return_arr,$data);
}
echo json_encode($data);
//echo("addMarker(30.91995, 75.93287, '<b>$name</b><br />$desc');\n");
?>
我想将我的位置添加到地图中，它会动态显示。如何在地图上添加多个位置或单个位置（lat，lon）。
让我知道php代码是否有问题。如何在没有页面重新映射的情况下重新加载地图。我尝试了很多脚本，但没有为我工作。请帮帮我。
答案 0 :(得分：0)
这对我有用。我有这个嵌入了PHP的html页面。也许你可以尝试在这里查看并获得你需要的东西。
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyA0XjHka3iMTH5jEuy-bYPWNZdILVOQsWI&callback=initMap"></script>
<script>
function initialize() {
var markers = [];
var mapCanvas = document.getElementById('map-canvas');
//San Pablo City
var myLatlng = new google.maps.LatLng(14.0667, 121.3333);
<?php
if (isset($_GET['latitude']) && $_GET['latitude'] != '' && isset($_GET['longitude']) && $_GET['longitude'] != ''){
?>
myLatlng = new google.maps.LatLng(<?=$_GET['latitude']?>, <?=$_GET['longitude']?>);
<?php } ?>
var mapOptions = {
center: myLatlng,
zoom: 17,
mapTypeControlOptions: {
mapTypeIds: [google.maps.MapTypeId.ROADMAP, google.maps.MapTypeId.SATELLITE,google.maps.MapTypeId.HYBRID]
},
mapTypeId: google.maps.MapTypeId.NORMAL
}
var map = new google.maps.Map(mapCanvas, mapOptions);
map.setTilt(45);
var infowindow = new google.maps.InfoWindow({
maxWidth: 400
});
<?php foreach($crimes as $crime) {
if ($crime['latitude'] != null AND $crime['longitude'] != '') {
$content = "<b>Date : ". date('M d Y',strtotime($crime['date_crime']))."</b><br>";
$content .= "<p>". $crime['useful_info']."</p>";
?>
addMarker( new google.maps.LatLng(<?=$crime['latitude']?>,<?=$crime['longitude']?>), '<?=$crime['sub_category']?>','<?=str_replace('#','',$crime['color'])?>','<?=substr($crime['sub_category'],0,1)?>',<?=$crime['complaint_id']?>,<?=esc($content)?>);
<?php } } ?>
addListener();
// Add a marker to the map and push to the array.
function addMarker(location,title,color,letter,id,content) {
var pinColor = color;
var pinImage = new google.maps.MarkerImage("http://chart.apis.google.com/chart?chst=d_map_pin_letter&chld=" + letter + "|" + pinColor,
new google.maps.Size(21, 34),
new google.maps.Point(0,0),
new google.maps.Point(10, 34));
var marker = new google.maps.Marker({
position: location,
map: map,
title : title,
animation: google.maps.Animation.DROP,
icon: pinImage
});
marker.set("id",id);
marker.set("content",content);
markers.push(marker);
}
function getMessage(title,str){
var ret = '<div id="content">'+
'<div id="siteNotice">'+
'</div>'+
'<h4 id="firstHeading" class="firstHeading">' + title + '</h1>'+
'<div id="bodyContent">'+ str +
'</div>'+
'</div>';
return ret;
}
// Sets the map on all markers in the array.
function setAllMap(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() {
setAllMap(null);
}
// Shows any markers currently in the array.
function showMarkers() {
setAllMap(map);
}
// Deletes all markers in the array by removing references to them.
function deleteMarkers() {
clearMarkers();
markers = [];
}
function addListener(){
for (var i = 0; i < markers.length; i++) {
google.maps.event.addListener(markers[i], 'click', function () {
// do something with this marker ...
var id = this.get("id");
infowindow.setContent(getMessage(this.getTitle(),this.get("content")));
infowindow.setPosition(this.getPosition());
infowindow.open(map,markers[i]);
});
}
}
//google.maps.event.addListener(marker, 'click', function() {
// map.setZoom(8);
// map.setCenter(marker.getPosition());
// });
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
<div class="page-header">
<h3>Report > <small>Map View</small></h2>
</div>
<div class = "col-md-10">
<div id="map-canvas"></div>
</div>