Here I just tell you how to use the Google Maps API. It is considered a way to attract attention. For some reasons, Google has been away from everyone.
The code copy is as follows:
<!DOCTYPE html>
<html>
<head>
<title>GeoLocation</title>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<style>
html, body, #map-canvas {
margin: 0;
padding: 0;
height: 100%;
}
</style>
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false"></script>
<script>
var map;
var poly;
function initialize() {
var myLatlng = new google.maps.LatLng(31.1937077, 121.4158436);
var locations = [
['test1, accuracy: 150m', 31.1937077, 121.4158436, 100],
['test2, accuracy: 150m', 31.2937077, 121.4158436, 100],
['test3, accuracy: 150m', 31.0937077, 121.2158436, 100],
['test4, accuracy: 150m', 31.3937077, 120.4158436, 100],
['test5, accuracy: 150m', 31.1637077, 120.4858436, 100],
['test6, accuracy: 150m', 31.1037077, 121.5158436, 100]
];
var mapOptions = {
zoom: 13,
center: myLatlng,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
map = new google.maps.Map(document.getElementById('map-canvas'),
mapOptions);
// Line settings
var polyOptions = {
strokeColor: '#00ff00', // Color
strokeOpacity: 1.0, // Transparency
strokeWeight: 4 // Width
}
poly = new google.maps.Polyline(polyOptions);
poly.setMap(map); // Load
/* Loop to mark all coordinates*/
/*for(var i=0; i<locations.length; i++){
var loc = [];
loc.push(locations[i][1]);
loc.push(locations[i][2]);
var path = poly.getPath(); //Get the coordinates of the line
path.push(new google.maps.LatLng(loc[0], loc[1])); //Add mark coordinates to lines
//Generate tag icon
marker = new google.maps.Marker({
position: new google.maps.LatLng(loc[0], loc[1]),
map: map
// icon: "https://maps.gstatic.com/mapfiles/markers/marker_green.png"
});
}*/
var marker, i, circle;
var iwarray = [];
var infoWindow;
var latlngbounds = new google.maps.LatLngBounds();
var iconYellow = new google.maps.MarkerImage("http://maps.google.com/mapfiles/ms/icons/yellow-dot.png");
for (i = 0; i < locations.length; i++) {
var loc = [];
loc.push(locations[i][1]);
loc.push(locations[i][2]);
var path = poly.getPath(); //Get the coordinates of the line
path.push(new google.maps.LatLng(loc[0], loc[1]));
var latlng = new google.maps.LatLng(locations[i][1], locations[i][2]);
latlngbounds.extend(latlng);
if (locations[i][0].indexOf("[Cached") == 0 || (locations[i][0].indexOf("[Multiple") == 0 && locations[i][0].indexOf("[Cached") >= 0 )) {
marker = new google.maps.Marker({
position: latlng,
map: map,
icon: iconYellow
});
var iw = '<div style="font-size: 12px;word-wrap:break-word;word-break:break-all;"><strong><font color="#FF0000">' + locations[i][0] + '<font></strong><div>';
} else {
marker = new google.maps.Marker({
position: latlng,
map: map
});
var iw = '<div style="font-size: 12px;word-wrap:break-word;word-break:break-all;"><strong><font color="#000000">' + locations[i][0] + '<font></strong><div>';
}
iwarray[i] = iw;
google.maps.event.addListener(marker, 'mouseover', (function(marker,i){
return function(){
infoWindow = new google.maps.InfoWindow({
content: iwarray[i],
maxWidth: 200,
pixelOffset: new google.maps.Size(0, 0)
});
infoWindow.open(map, marker);
}
})(marker,i));
google.maps.event.addListener(marker, 'mouseout', function() {
infoWindow.close();
});
circle = new google.maps.Circle({
map: map,
radius: locations[i][3],
fillColor: '#0000AA',
fillOpacity: 0.01,
strokeWeight: 1,
strokeColor: '#0000CC',
strokeOpacity: 0.8
});
circle.bindTo('center', marker, 'position');
}
map.fitBounds(latlngbounds);
var listener = google.maps.event.addListenerOnce(map, "idle", function()
{
var zoomLevel = parseInt(map.getZoom());
if (zoomLevel > 13)
map.setZoom(13);
});
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="map-canvas"></div>
</body>
</html>