用户Ip地址和百度地图api接口获取用户地理位置（经纬度坐标，城市）

//获取用户ip(外网ip 服务器上可以获取用户外网Ip 本机ip地址只能获取127.0.0.1)
function  getip(){
    if (! empty ( $_SERVER [ "HTTP_CLIENT_IP" ])){
    $cip  = $_SERVER [ "HTTP_CLIENT_IP" ];
    }
    else  if (! empty ( $_SERVER [ "HTTP_X_FORWARDED_FOR" ])){
    $cip  = $_SERVER [ "HTTP_X_FORWARDED_FOR" ];
    }
    else  if (! empty ( $_SERVER [ "REMOTE_ADDR" ])){
    $cip  = $_SERVER [ "REMOTE_ADDR" ];
    }
    else {
    $cip  = '' ;
    }
    preg_match( "/[\d\.]{7,15}/" , $cip , $cips );
    $cip  = isset( $cips [0]) ? $cips [0] : 'unknown' ;
    unset( $cips );
    return  $cip ;
}

$ip =getip();

//根据百度地图api得到用户Ip地理经纬度和城市

$url  = "http://api.map.baidu.com/location/ip?ak=omi69HPHpl5luMtrjFzXn9df&ip=$ip&coor=bd09ll" ;
$ch  = curl_init();
curl_setopt( $ch , CURLOPT_URL, $url );
curl_setopt( $ch , CURLOPT_RETURNTRANSFER, 1);
$output  = curl_exec( $ch );
if (curl_errno( $ch ))
{ echo  'CURL ERROR Code: ' .curl_errno( $ch ). ', reason: ' .curl_error( $ch );}
curl_close( $ch );
$info  = json_decode( $output , true);
if ( $info [ 'status' ] == "0" ){
    $lotx  = $info [ 'content' ][ 'point' ][ 'y' ];
    $loty  = $info [ 'content' ][ 'point' ][ 'x' ];
    $citytemp  = $info [ 'content' ][ 'address_detail' ][ 'city' ];
    $keywords  = explode ( "市" , $citytemp );
    $city  = $keywords [0];
}
else {
    $lotx  = "34.2597" ;
    $loty  = "108.9471" ;
    $city  = "西安" ;
}


var_dump( $lotx ); //x坐标  纬度
var_dump( $loty ); //y坐标  经度
var_dump( $city ); //用户Ip所在城市

　　

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百度地图api新增功能  有时间可以看看

http://developer.baidu.com/map/index.php?title=jspopular

转载于:https://www.cnblogs.com/apolloren/p/10031201.html