1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
<!DOCTYPE html>
<
html
lang
=
"en"
>
<
head
>
<
meta
charset
=
"UTF-8"
>
<
title
>HTML5定位</
title
>
<
script
type
=
"text/javascript"
src
=
"http://lib.sinaapp.com/js/jquery/1.7.2/jquery.min.js"
></
script
>
<
script
type
=
"text/javascript"
src
=
"http://api.map.baidu.com/api?v=2.0&ak=wqBXfIN3HkpM1AHKWujjCdsi"
></
script
>
<
script
type
=
"text/javascript"
src
=
"http://developer.baidu.com/map/jsdemo/demo/convertor.js"
></
script
>
<
style
type
=
"text/css"
>
*{ margin: 0px; padding: 0px;}
body{text-align: center; height: 100%;overflow:hidden;}
#allmap{ width: 100%;height: 100%; position: absolute;}
</
style
>
</
head
>
<
body
>
<
div
id
=
"allmap"
></
div
>
<
script
type
=
"text/javascript"
>
$(function(){
if(supportsGeoLocation()){
alert("你的浏览器支持 GeoLocation.");
}else{
alert("不支持 GeoLocation.")
}
// 检测浏览器是否支持HTML5
function supportsGeoLocation(){
return !!navigator.geolocation;
}
// 单次位置请求执行的函数
function getLocation(){
navigator.geolocation.getCurrentPosition(mapIt,locationError);
}
//定位成功时,执行的函数
function mapIt(position){
var lon = position.coords.longitude;
var lat = position.coords.latitude;
// alert("您位置的经度是:"+lon+" 纬度是:"+lat);
var map = new BMap.Map("allmap");
var point = new BMap.Point(""+lon+"",""+lat+"");
map.centerAndZoom(point,19);
var gc = new BMap.Geocoder();
translateCallback = function (point){
var marker = new BMap.Marker(point);
map.addOverlay(marker);
map.setCenter(point);
gc.getLocation(point, function(rs){
var addComp = rs.addressComponents;
if(addComp.province!==addComp.city){
var sContent =
"<
div
><
h4
style
=
'margin:0 0 5px 0;padding:0.2em 0'
>你当前的位置是:</
h4
>" +
"<
p
style
=
'margin:0;line-height:1.5;font-size:13px;text-indent:2em'
>"+addComp.province + ", " + addComp.city + ", " + addComp.district + ", " + addComp.street + ", " + addComp.streetNumber+"</
p
>" +
"</
div
>";}
else{
var sContent =
"<
div
><
h4
style
=
'margin:0 0 5px 0;padding:0.2em 0'
>你当前的位置是:</
h4
>" +
"<
p
style
=
'margin:0;line-height:1.5;font-size:13px;text-indent:2em'
>"+ addComp.city + ", " + addComp.district + ", " + addComp.street + ", " + addComp.streetNumber+"</
p
>" +
"</
div
>";
}
var infoWindow = new BMap.InfoWindow(sContent);
map.openInfoWindow(infoWindow,point);
});
}
BMap.Convertor.translate(point,0,translateCallback);
}
// 定位失败时,执行的函数
function locationError(error)
{
switch(error.code)
{
case error.PERMISSION_DENIED:
alert("User denied the request for Geolocation.");
break;
case error.POSITION_UNAVAILABLE:
alert("Location information is unavailable.");
break;
case error.TIMEOUT:
alert("The request to get user location timed out.");
break;
case error.UNKNOWN_ERROR:
alert("An unknown error occurred.");
break;
}
}
// 页面加载时执行getLocation函数
window.onload = getLocation;
})
</
script
>
</
body
>
</
html
>
|
利用HTML5定位功能,实现在百度地图上(亲测很成功,)
最新推荐文章于 2023-05-08 19:45:12 发布