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HTML5 get geographical latitude and longitude and get real-time location via Baidu interface

Source: Internet
Author: User
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Note: Use the time will get Beijing location that put to get longitude latitude behind can

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<! DOCTYPE html>
<meta name= "viewport" content= "initial-scale=1.0, User-scalable=no"/>
<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 "/>
<title> Get Current Location </title>
<style type= "Text/css" >
html{height:100%}
body{height:100%;margin:0px;padding:0px}
#container {height:500px; width:500px; margin:0 Auto;}
</style>
<script type= "Text/javascript" src= "http://api.map.baidu.com/api?v=1.3" >
v2.0 version reference: src= "http://api.map.baidu.com/api?v=2.0&ak= your Key"
v1.4 version and previous version of reference: Src= "http://api.map.baidu.com/api?v=1.4&key= your key &callback=initialize"
</script>

<body>
<div style= "Text-align:center; margin:20px auto; " >
<p id= "Demo" > Click this button to get your latitude and longitude:</p>
<p id= "Position" ></p>
<button onclick= "getLocation ()" > Get location </button>
</div>
<div id= "Container" ></div>
<script type= "Text/javascript" >
var map;
var ggpoint;
var marker;
function GetLocation () {
Get City based on IP
var mycity = new Bmap.localcity ();
Mycity.get (GETCITYBYIP);
var options={
Enablehighaccuracy:true,
maximumage:1000
}
if (navigator.geolocation) {
Browser support geolocation
Navigator.geolocation.getCurrentPosition (onsuccess,onerror,options);

}else{
Browser does not support geolocation
Console.log ("Browser not supported");
}
}

function onsuccess (position) {

var longitude =position.coords.longitude;//Longitude
var latitude = position.coords.latitude;//Latitude
document.getElementById ("Demo"). InnerHTML = "program has obtained your location for:<br> longitude" +longitude+ ", latitude" +latitude;

--------------Set the map display----------------
Map = new Bmap.map ("container"); Create a Map instance
Ggpoint = new Bmap.point (longitude, latitude); Create point coordinates
Map.centerandzoom (Ggpoint, 15); Initialize map, set center point coordinates and map level
--------------Set the map display----------------


var convertor = new Bmap.convertor ();
var pointarr = [];
Pointarr.push (Ggpoint);
Convertor.translate (Pointarr, 1, 5, translatecallback);





--------------set label-related-------------------
/*var marker = new Bmap.marker (point); Create point
Map.addoverlay (marker);
Marker.setanimation (bmap_animation_bounce); Bouncing animations
Marker.enabledragging ();//Set point to drag
--------------set label-related---------------------


--------------Get a location---------------------
var GEOC = new Bmap.geocoder ();
Geoc.getlocation (Point, Function (RS) {
var addcomp = rs.addresscomponents;
Alert (addcomp.province + "," + addcomp.city + "," + Addcomp.district + "," + Addcomp.street + "," + addcomp.streetnumb ER);
});*/
--------------Get a location----------------------







}



callback function after the coordinate conversion is complete
function Translatecallback (data) {
if (data.status = = = 0) {
Marker = new Bmap.marker (data.points[0]);
Map.addoverlay (marker);
Marker.setanimation (bmap_animation_bounce); Bouncing animations
Marker.enabledragging ();//Set point to drag
Marker.addeventlistener ("Dragend", getAttr);
Alert (Marker.getposition ());
Map.setcenter (Data.points[0]);
Getposit (Data.points[0]);
}
}

function GetAttr () {
var p = marker.getposition (); Get the location of marker
Alert ("Marker position is" + p.lng + "," + P.lat);
Getposit (New Bmap.point (P.LNG, P.lat));
}


function Getposit (obj) {
var GEOC = new Bmap.geocoder ();
Geoc.getlocation (obj, function (RS) {
var addcomp = rs.addresscomponents;
Alert (addcomp.province + "," + addcomp.city + "," + Addcomp.district + "," + Addcomp.street + "," + ADDCOMP.STREETNU Mber);
var address = "Your addresses:" + addcomp.province + "," + addcomp.city + "," + Addcomp.district + "," + Addcomp.street + "," + ADDC Omp.streetnumber;
document.getElementById ("position"). InnerHTML = Address;
var Labelbaidu = new Bmap.label (address, {offset:new bmap.size (20,-10)});
Marker.setlabel (Labelbaidu); Add Baidu Label
});
}



Get City based on IP
Function Getcitybyip (RS) {
var cityname = Rs.name;
Alert ("Locate your city based on IP:" + cityname);
}

When failed
function OnError (Error) {
Switch (error.code) {
Case 1:
Alert ("Location service is denied");
Break

Case 2:
Alert ("Temporary access to location information");
Break

Case 3:
Alert ("Get information timed out");
Break

Case 4:
Alert ("Unknown error");
Break
}

}


</script>
</body>

HTML5 get geographical latitude and longitude and get real-time location via Baidu interface

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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