Simple html5 code to obtain geographical location_html5 tutorial skills

Copy code

The code is as follows:

/**
* The following is the html5 code to obtain the geographical location
*/
function getLocation() {
//Check whether the browser supports geolocation acquisition
if (navigator.geolocation) {
//If it supports geolocation acquisition, successfully call showPosition(), Failed to call showError
// alert("Trying to get location...");
var config = { enableHighAccuracy: true, timeout: 5000, maximumAge: 30000 };
navigator.geolocation.getCurrentPosition( showPosition, showError, config);
} else {
//alert("Geolocation is not supported by this browser.");
alert("Positioning failed, the user has disabled location acquisition permission");
}
}
/**
* Obtained address location successfully
*/
function showPosition(position) {
//Get the longitude and latitude
var x = position.coords.latitude;
var y = position.coords.longitude;
//Configure Baidu Geocoding API
var url = "http://api.map.baidu.com/geocoder/v2/?ak=C93b5178d7a8ebdb830b9b557abce78b"
"&callback=renderReverse"
"&location=" x "," y
"&output=json"
"&pois=0";
$.ajax({
type: "GET" ,
dataType: "jsonp",
url: url,
success: function (json) {
if (json == null || typeof (json) == "undefined") {
return;
}
if (json.status != "0") {
return;
}
setAddress(json.result.addressComponent);
},
error: function (XMLHttpRequest, textStatus, errorThrown) {
alert("[x:" x ",y:" y "]Failed to obtain the address location, please select the address manually");
}
});
}
/**
* Failed to obtain address location [not processed yet]
*/
function showError(error) {
switch (error.code) {
case error.PERMISSION_DENIED:
alert ("Positioning failed, the user denied the request for geolocation");
//x.innerHTML = "User denied the request for Geolocation.[The user denied the request for geolocation]"
break;
case error.POSITION_UNAVAILABLE :
alert("Location failed, location information is unavailable");
//x.innerHTML = "Location information is unavailable.[Location information is unavailable]"
break;
case error.TIMEOUT:
alert("Positioning failed, request to get user location timed out");
//x.innerHTML = "The request to get user location timed out.[Request to get user location timed out.]"
break;
case error.UNKNOWN_ERROR:
alert("Positioning failed, positioning system failed");
//x.innerHTML = "An unknown error occurred.[Unknown error]"
break ;
}
}
/**
* Set address
*/
function setAddress(json) {
var position = document.getElementById("txtPosition");
//Province
var province = json.province;
//City
var city = json.city;
//District
var district = json.district;
province = province.replace ('city', '');
position.value = province "," city "," district;
position.style.color = 'black';
}