更改缩放时,我尝试更改地图的光标。如果不移动鼠标,更改将不可见。如果你移动它,那么光标就会改变。你可以在这里测试:
如何重现:在不移动鼠标的情况下使用鼠标滚轮放大。光标应该改变,但它没有。移动鼠标。光标改变了。
如果您检查 html,您将看到有一个具有内联样式的 div,该样式具有光标属性。除非您移动鼠标,否则该光标属性不会改变。
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
html { height: 100% }
body { height: 100%; margin: 0; padding: 0 }
#map-canvas { height: 100% }
</style>
<script type="text/javascript"
src="https://maps.googleapis.com/maps/api/js?key=&sensor=false">
</script>
<script type="text/javascript">
var odd = true;
function initialize() {
var mapOptions = {
center: new google.maps.LatLng(-34.397, 150.644),
zoom: 8,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
var map = new google.maps.Map(document.getElementById("map-canvas"),
mapOptions);
google.maps.event.addListener(map, "zoom_changed", function(event) {
if (odd) {
map.setOptions({ draggableCursor: 'crosshair',
draggingCursor: 'crosshair'});
odd = !odd;
} else {
map.setOptions({ draggableCursor: 'move',
draggingCursor: 'move'});
odd = !odd;
}
});
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="map-canvas"/>
</body>
</html>