点击运行
<html> <head> <script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyDJW4jsPlNKgv6jFm3B5Edp5ywgdqLWdmc&sensor=false"> </script> <script> var map; var myCenter=new google.maps.LatLng(45.434046,12.340284); function initialize() { var mapProp = { center:myCenter, zoom:18, mapTypeId:google.maps.MapTypeId.HYBRID }; map=new google.maps.Map(document.getElementById("googleMap"),mapProp); } google.maps.event.addDomListener(window, 'load', initialize); </script> </head> <body> <button onclick="alert(map.getHeading());">Drag the compass wheel and get heading/degrees</button> <br><br> <div id="googleMap" style="width:500px;height:380px;"></div> </body> </html>
运行结果
