到目前为止，我拥有的是一张地图，该地图根据用户给出的街道地址放置酒吧的位置。
但是现在我需要关联一个描述用户拥有的栏类型的图标。所以我在地图的右侧有一个图标列表和地图内的标记。
有没有办法拖放用户选择的图像并用新图像替换此标记？
这个想法是捕获正在拖动的图标，将当前标记替换为此新标记，并将信息存储到我的数据库中。我想我可以做最后一部分，但我对前两部分知之甚少:(
任何关于如何开始的指南将不胜感激:)
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<title>MVC is Fun</title>
<style type="text/css">
*{
margin: 0px;
padding: 0px;
}
html { height: 100% }
body{ height: 100%; margin: 0px; padding: 0px;}
#map_canvas { height: 50% }
#shelf{position:fixed; top:10px; left:500px; height:100px;width:200px;background:white;opacity:0.7;}
#draggable {position:absolute; top:10px; left:10px; width: 30px; height: 30px;z-index:1000000000;}
</style>
<link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet" type="text/css"/>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js"></script>
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
$(document).ready(function() {
$("#draggable").draggable({helper: 'clone',
stop: function(e) {
var point=new google.maps.Point(e.pageX,e.pageY);
var ll=overlay.getProjection().fromContainerPixelToLatLng(point);
var icon = $(this).attr('src');
placeMarker(ll, icon);
}
});
$("#draggable2").draggable({helper: 'clone',
stop: function(e) {
var point=new google.maps.Point(e.pageX,e.pageY);
var ll=overlay.getProjection().fromContainerPixelToLatLng(point);
var icon = $(this).attr('src');
placeMarker(ll, icon);
}
});
$("#draggable3").draggable({helper: 'clone',
stop: function(e) {
var point=new google.maps.Point(e.pageX,e.pageY);
var ll=overlay.getProjection().fromContainerPixelToLatLng(point);
var icon = $(this).attr('src');
placeMarker(ll, icon);
}
});
$("#draggable4").draggable({helper: 'clone',
stop: function(e) {
var point=new google.maps.Point(e.pageX,e.pageY);
var ll=overlay.getProjection().fromContainerPixelToLatLng(point);
var icon = $(this).attr('src');
placeMarker(ll, icon);
}
});
$("#draggable5").draggable({helper: 'clone',
stop: function(e) {
var point=new google.maps.Point(e.pageX,e.pageY);
var ll=overlay.getProjection().fromContainerPixelToLatLng(point);
var icon = $(this).attr('src');
placeMarker(ll, icon);
}
});
});
</script>
<script type="text/javascript">
var $map;
var $latlng;
var overlay;
function initialize() {
var $latlng = new google.maps.LatLng(66.5, 25.733333);
var myOptions = {
zoom: 3,
center: $latlng,
mapTypeId: google.maps.MapTypeId.ROADMAP,
mapTypeControlOptions: {
style: google.maps.MapTypeControlStyle.DROPDOWN_MENU,
position: google.maps.ControlPosition.TOP_LEFT },
zoomControl: true,
zoomControlOptions: {
style: google.maps.ZoomControlStyle.LARGE,
position: google.maps.ControlPosition.LEFT_TOP
},
scaleControl: true,
scaleControlOptions: {
position: google.maps.ControlPosition.TOP_LEFT
},
streetViewControl: false,
panControl:false,
};
$map = new google.maps.Map(document.getElementById("map_canvas"),
myOptions);
overlay = new google.maps.OverlayView();
overlay.draw = function() {};
overlay.setMap($map);
}
function placeMarker(location, icon) {
var marker = new google.maps.Marker({
position: location,
map: $map,
icon: icon
});
}
</script>
</head>
<body onload="initialize()">
<div id="map_canvas"></div>
<div id='shelf'>
<ul>
<li>
<img src="ico_beer.png" id="draggable" />
</li>
<li>
<img src="ico_comedy.png" id="draggable2" />
</li>
<li>
<img src="ico_dance_club.png" id="draggable3" />
</li>
<li>
<img src="ico_food.png" id="draggable4" />
</li>
<li>
<img src="ico_karaoke.png" id="draggable5" />
</li>
</ul>
</div>
<div id="info"></div>
</body>
</html>
用过这家伙的回答问题，对我帮助很大！ :)谷歌地图将对象从地图外部拖放到谷歌地图中