问题描述
我在调用fitBounds（）之后直接调用了getBounds（），并且我认为当地图缩回并放大以适合边界时，我会得到有效的边界。不幸的是，getBounds（）返回零。重现这个的代码如下：
<！DOCTYPE html PUBLIC - // W3C // DTD XHTML 1.0 Strict // ENhttp://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd >
< html xmlns =http://www.w3.org/1999/xhtmlxmlns：v =urn：schemas-microsoft-com：vml>
< head>
< meta http-equiv =content-typecontent =text / html; charset = utf-8/>
< script type =text / javascriptsrc =http://maps.google.com/maps/api/js?sensor=true>< / script>
< style>
#map {
width：800px;
height：400px;
}
< / style>
< / head>
< body>
< div id ='map'>< / div>
< script>
var myLatlng1 = new google.maps.LatLng（-38.397,150.644）;
var myLatlng2 = new google.maps.LatLng（-34.897,150.844）;
var myLatLngBounds = new google.maps.LatLngBounds（myLatlng1，myLatlng2）;
var myOptions = {
mapTypeId：google.maps.MapTypeId.ROADMAP，
center：new google.maps.LatLng（0，0），
zoom： 0
}
var map = new google.maps.Map（document.getElementById（map），myOptions）;
map.fitBounds（myLatLngBounds）;
console.log（map.getMapTypeId（））;
console.log（map.getZoom（））;
console.log（map.getBounds（））;
< / script>
< / body>
< / html>
有什么我错过了吗？我一直无法找到有关这种情况的文档中的任何内容。最近我得到的是一个关于getBounds的说明：
请注意，getZoom也会返回未定义。 fitBounds（）没有设置这个值吗？
编辑
我已经使用默认缩放和居中更新了代码，如根据Marcelo的建议。
I'm calling getBounds() directly after a call to fitBounds(), and I thought I'd get a valid bound back as the map recenters and zooms to fit the bounds. Unfortunately, getBounds() is returning nil.
The code to reproduce this is as follows:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=true"></script>
<style>
#map {
width: 800px;
height: 400px;
}
</style>
</head>
<body>
<div id='map'></div>
<script>
var myLatlng1 = new google.maps.LatLng(-38.397, 150.644);
var myLatlng2 = new google.maps.LatLng(-34.897, 150.844);
var myLatLngBounds = new google.maps.LatLngBounds(myLatlng1, myLatlng2);
var myOptions = {
mapTypeId: google.maps.MapTypeId.ROADMAP,
center: new google.maps.LatLng(0, 0),
zoom: 0
}
var map = new google.maps.Map(document.getElementById("map"), myOptions);
map.fitBounds(myLatLngBounds);
console.log(map.getMapTypeId());
console.log(map.getZoom());
console.log(map.getBounds());
</script>
</body>
</html>
Is there something I'm missing? I haven't been able to find anything in the docs about this situation. The nearest I get is a note on getBounds that says:
Note that getZoom returns undefined, too. Does fitBounds() not set this value?
EDITI've updated the code with a default zoom and center, as per Marcelo's suggestions.
You will have to get the bounds after the bounds_changed event.
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