/*

**根据ip获取坐标

***/

function get_zuobiao(){

    $user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];//获取IP

    $user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"];//获取IP

    $re = os_get("http://api.map.baidu.com/location/ip?ip=".$user_IP."&ak=878f0d7785ccb5c9f46215af5faf0ebf&coor=bd09ll");//获取lat lng

    $val = json_decode($re,true);

    $point = $val['content']['point'];

    print_r($point);//拆分的lat lnt

    $re = getcity($point['y'],$point['x']);//根据lat lng 再获取所在省市区详

    print_r($re);exit();

}

/*根据坐标获取地区*/

function getcity($lat,$lng){

    $re = file_get_contents("http://api.map.baidu.com/geocoder/v2/?callback=renderReverse&location=".$lat.",".$lng."&output=xml&pois=1&ak=878f0d7785ccb5c9f46215af5faf0ebf");

    $xmlstring = simplexml_load_string($re, 'SimpleXMLElement', LIBXML_NOCDATA);

    $val = json_decode(json_encode($xmlstring),true);

    $city['qu'] = $val['result']['addressComponent']['district'];

    $city['city'] = $val['result']['addressComponent']['city'];

    $city['province'] = $val['result']['addressComponent']['province'];

    return $city;

}