[英]Google Maps JS API v3 - Simple Multiple Marker with Geolocation
Google Maps JS API v3-具有地理位置的簡單多個標記
謝謝,但是我用下面的代碼來管理。 隨意改進吧!
1部分 -清潔變量
var LocationCenter = null;
var map = null;
var approxCircle = null;
var pinCircle = null;
var marker = null;
2部分 -在變量中定義位置
var locations = [
['Bondi Beach', -33.890542, 151.274856, 4],
['Coogee Beach', -33.923036, 151.259052, 5],
['Cronulla Beach', -34.028249, 151.157507, 3],
['Manly Beach', -33.80010128657071, 151.28747820854187, 2],
['Maroubra Beach', -33.950198, 151.259302, 1]
];
3部分 -初始化功能
function Newinitialize(lat,lng) {
LocationCenter = new google.maps.LatLng(lat,lng);
var myOptions = {
zoom: 14,
center: LocationCenter,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
map = new google.maps.Map(document.getElementById("map_canvasRoast"), myOptions);
marker = new google.maps.Marker({
position: LocationCenter,
map: map,
animation: google.maps.Animation.DROP
});
approxCircle = {
strokeColor: "#008595",
strokeOpacity: 0.8,
strokeWeight: 2,
fillColor: "#008595",
fillOpacity: 0.25,
map: map,
center: LocationCenter,
radius: 50,
clickable : false
};
pinCircle = new google.maps.Circle(approxCircle);
var infowindow = new google.maps.InfoWindow();
var marker, i;
4部分 -設置位置
for (i = 0; i < locations.length; i++) {
marker = new google.maps.Marker({
position: new google.maps.LatLng(locations[i][1], locations[i][2]),
map: map
});
google.maps.event.addListener(marker, 'click', (function(marker, i) {
return function() {
infowindow.setContent(locations[i][0]);
infowindow.open(map, marker);
}
})(marker, i));
}
};
$('.goMap').live('click', function() {
if(navigator.geolocation) {
navigator.geolocation.getCurrentPosition(function(position){
Newinitialize(position.coords.latitude,position.coords.longitude);
});
}else{
Newinitialize(52.636161,-1.133065);
}
});
完成,現在我加載了頁面,地理位置正常。
在showPosition
函數中設置Google Map,例如:
var map;
function showPosition(position) {
var latlon=position.coords.latitude+","+position.coords.longitude;
x.innerHTML="Latitude: " + position.coords.latitude + "<br>Longitude: " + position.coords.longitude;
map = new google.maps.Map(document.getElementById('map'), {
zoom: 10,
center: new google.maps.LatLng(position.coords.latitude, position.coords.longitude),
mapTypeId: google.maps.MapTypeId.ROADMAP
});
}
這樣,在初始化Google地圖之前,坐標將可用。 否則,您可以在showPosition
函數中更新地圖坐標(我不確定執行此操作的確切代碼)。
這是將地圖重新居中到用戶當前位置的方法:
function showPosition(position)
{
map.setCenter(new google.maps.LatLng(positions.coords.latitude,
position.coords.longitude));
}
這將允許您在接收用戶位置之前創建地圖。
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