php怎么实现手机定位功能？
php实现手机定位功能的实例
最近在做通过定位手机用户，进行消息推送，经过分析最终做法如下
mobile.php文件
当用户当手机访问该页面时，通过实现页面表单隐藏封装自动提交获取手机浏览器经纬度并post给服务器
<html>
<meta charset="utf8">
<head>
<form name="form1" action="http://test.nwee.cc/ken/baidulocated.php" method="post">
<input type="text" name="lat" id="lat" style="display:none">
<input type="text" name="lng" id="lng" style="display:none">
</form>
<script type="text/javascript">
var position_option = {
enableHighAccuracy: true,
maximumAge: Infinity,
timeout: 100000
};
var lat;
var lng;
if(navigator.geolocation){
navigator.geolocation.getCurrentPosition(getPositionSuccess, getPositionError, position_option);
}else{
alert('Geolocation is not supported by this browser.');
}
function getPositionSuccess(position) {
lat = position.coords.latitude;
lng = position.coords.longitude;
//alert('您所在的位置： 纬度' + lat + '，经度' + lng);
fillForm();
//填充表单
document.form1.submit();
//post数据到服务器
}
function getPositionError(error) {
switch (error.code) {
case error.TIMEOUT:
alert('The request to get user location timed out.');break;
case error.PERMISSION_DENIED:
alert('User denied the request for Geolocation.');break;
case error.POSITION_UNAVAILABLE:
alert('Location information is unavailable.');break;
default:
alert('An unknown error occurred.');
}
}
function fillForm(){
document.getElementById('lat').value = lat;
document.getElementById('lng').value = lng;
}
</script>
</head>
</html>located.php文件
通过百度定位api进行解析定位
<?php
header("Content-type:text/html; charset=utf8");
$url="http://api.map.baidu.com/geocoder/v2/?location=".$_POST["lat"].",".$_POST["lng"]."&ak=*****************************&coordtype=bd09ll&output=json";
$json = file_get_contents($url);
$arr = json_decode($json, true);
var_dump($arr);
?>更多相关知识，请访问PHP中文网！
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