在网页地图中获合适前地位
添加时间:2013-6-11 点击量:
在因为要做一个地图显示的功能,所以在网上找了很多材料,成果还是不如官网来得快。
1 <!DOCTYPE html>
2 <html>
3 <body>
4 <p id=demo>运行结果:</p>
5 <button onclick=getLocation()>尝尝看</button>
6 <div id=mapholder></div>
7 <script src=http://maps.google.com/maps/api/js?sensor=false></script>
8 <script>
9 var x=document.getElementById(demo);
10 function getLocation()
11 {
12 if (navigator.geolocation)
13 {
14 navigator.geolocation.getCurrentPosition(showPosition,showError);
15 }
16 else{x.innerHTML=Geolocation is not supported by this browser.;}
17 }
18
19 function showPosition(position)
20 {
21 lat=position.coords.latitude;
22 lon=position.coords.longitude;
23 latlon=new google.maps.LatLng(lat, lon)
24 mapholder=document.getElementById(mapholder)
25 mapholder.style.height=250px;
26 mapholder.style.width=500px;
27
28 var myOptions={
29 center:latlon,zoom:14,
30 mapTypeId:google.maps.MapTypeId.ROADMAP,
31 mapTypeControl:false,
32 navigationControlOptions:{style:google.maps.NavigationControlStyle.SMALL}
33 };
34 var map=new google.maps.Map(document.getElementById(mapholder),myOptions);
35 var marker=new google.maps.Marker({position:latlon,map:map,title:You are here!});
36 }
37
38 function showError(error)
39 {
40 switch(error.code)
41 {
42 case error.PERMISSION_DENIED:
43 x.innerHTML=User denied the request for Geolocation.
44 break;
45 case error.POSITION_UNAVAILABLE:
46 x.innerHTML=Location information is unavailable.
47 break;
48 case error.TIMEOUT:
49 x.innerHTML=The request to get user location timed out.
50 break;
51 case error.UNKNOWN_ERROR:
52 x.innerHTML=An unknown error occurred.
53 break;
54 }
55 }
56 </script>
57 </body>
58 </html>
查看代码
运行结果:
我俩之间有着强烈的吸引力。短短几个小时后,我俩已经明白:我们的心是一个整体的两半,我俩的心灵是孪生兄妹,是知己。她让我感到更有活力,更完美,更幸福。即使她不在我身边,我依然还是感到幸福,因为她总是以这样或者那样的方式出现在我心头。——恩里克·巴里奥斯《爱的文明》
在因为要做一个地图显示的功能,所以在网上找了很多材料,成果还是不如官网来得快。
1 <!DOCTYPE html>
2 <html>
3 <body>
4 <p id=demo>运行结果:</p>
5 <button onclick=getLocation()>尝尝看</button>
6 <div id=mapholder></div>
7 <script src=http://maps.google.com/maps/api/js?sensor=false></script>
8 <script>
9 var x=document.getElementById(demo);
10 function getLocation()
11 {
12 if (navigator.geolocation)
13 {
14 navigator.geolocation.getCurrentPosition(showPosition,showError);
15 }
16 else{x.innerHTML=Geolocation is not supported by this browser.;}
17 }
18
19 function showPosition(position)
20 {
21 lat=position.coords.latitude;
22 lon=position.coords.longitude;
23 latlon=new google.maps.LatLng(lat, lon)
24 mapholder=document.getElementById(mapholder)
25 mapholder.style.height=250px;
26 mapholder.style.width=500px;
27
28 var myOptions={
29 center:latlon,zoom:14,
30 mapTypeId:google.maps.MapTypeId.ROADMAP,
31 mapTypeControl:false,
32 navigationControlOptions:{style:google.maps.NavigationControlStyle.SMALL}
33 };
34 var map=new google.maps.Map(document.getElementById(mapholder),myOptions);
35 var marker=new google.maps.Marker({position:latlon,map:map,title:You are here!});
36 }
37
38 function showError(error)
39 {
40 switch(error.code)
41 {
42 case error.PERMISSION_DENIED:
43 x.innerHTML=User denied the request for Geolocation.
44 break;
45 case error.POSITION_UNAVAILABLE:
46 x.innerHTML=Location information is unavailable.
47 break;
48 case error.TIMEOUT:
49 x.innerHTML=The request to get user location timed out.
50 break;
51 case error.UNKNOWN_ERROR:
52 x.innerHTML=An unknown error occurred.
53 break;
54 }
55 }
56 </script>
57 </body>
58 </html>
查看代码
运行结果: