$result = array();
$ak = 'GQFu5UG9TgcdSze4FWWku7AsSpvO4T2N';//您的百度地图ak,可以去百度开发者中心去免费申请
// echo 1;die;
//=36.666277,117.127513
$url ="http://api.map.baidu.com/reverse_geocoding/v3/?ak=".$ak."&output=json&coordtype=wgs84ll&location=".$lon.",".$lat;




$data = file_get_contents($url);