概述
淘宝公司提供了一个很好用的IP地理信息查询接口。
在这里:http://ip.taobao.com/
TaobaoIPQuery2这个类将极大的简化相关的信息查询。
类 TaobaoIPQuery2 文件:
<?php /* Usage: * $IPInfo = TaobaoIPQuery2::getIPInfo('IPAddress'); */ Class TaobaoIPQuery2{ private static $_requestURL = 'http://ip.taobao.com/service/getIpInfo.php'; public static function getIPInfo($ip){ $long = ip2long($ip); if($long === 0){ throw new Exception('IP address error', 5); } $ip=long2ip($long); $IPInfo = self::queryIPInfo($ip); return self::parseJSON($IPInfo); } private static function queryIPInfo($ip){ $query = http_build_query(array('ip'=>$ip)); $ch = curl_init(); $options = array( CURLOPT_URL => sprintf('%s?%s', self::$_requestURL, $query), CURLOPT_RETURNTRANSFER => true, CURLOPT_AUTOREFERER => false, CURLOPT_FOLLOWLOCATION => false, CURLOPT_HEADER => false, CURLOPT_TIMEOUT => 3.0, ); curl_setopt_array($ch, $options); $content = curl_exec($ch); curl_close($ch); return $content; } private static function parseJSON($json){ $O = json_decode ($json, true); if(false === is_null($O)){ return $O; } if (version_compare(PHP_VERSION, '5.3.0', '>=')) { $errorCode = json_last_error(); if(isset(self::$_JSONParseError[$errorCode])){ throw new Exception(self::$_JSONParseError[$errorCode], 5); } } throw new Exception('JSON parse error', 5); } private static $_JSONParseError = array( JSON_ERROR_NONE=>'No error has occurred', JSON_ERROR_DEPTH=>'The maximum stack depth has been exceeded', JSON_ERROR_CTRL_CHAR=>'Control character error, possibly incorrectly encoded', JSON_ERROR_STATE_MISMATCH=>'Invalid or malformed JSON', JSON_ERROR_SYNTAX=>'Syntax error', JSON_ERROR_UTF8=>'Malformed UTF-8 characters, possibly incorrectly encoded', ); }
TaobaoIPQuery2.Class.php:
<?php Class TaobaoIPQuery2{ private static $_requestURL = 'http://ip.taobao.com/service/getIpInfo.php'; public static function getIPInfo($ip){ $long = ip2long($ip); if($long === 0){ throw new Exception('IP address error', 5); } $ip=long2ip($long); $IPInfo = self::queryIPInfo($ip); return self::parseJSON($IPInfo); } private static function queryIPInfo($ip){ $query = http_build_query(array('ip'=>$ip)); $ch = curl_init(); $options = array( CURLOPT_URL => sprintf('%s?%s', self::$_requestURL, $query), CURLOPT_RETURNTRANSFER => true, CURLOPT_AUTOREFERER => false, CURLOPT_FOLLOWLOCATION => false, CURLOPT_HEADER => false, CURLOPT_TIMEOUT => 3.0, ); curl_setopt_array($ch, $options); $content = curl_exec($ch); curl_close($ch); return $content; } private static function parseJSON($json){ $O = json_decode ($json, true); if(false === is_null($O)){ return $O; } if (version_compare(PHP_VERSION, '5.3.0', '>=')) { $errorCode = json_last_error(); if(isset(self::$_JSONParseError[$errorCode])){ throw new Exception(self::$_JSONParseError[$errorCode], 5); } } throw new Exception('JSON parse error', 5); } private static $_JSONParseError = array( JSON_ERROR_NONE=>'No error has occurred', JSON_ERROR_DEPTH=>'The maximum stack depth has been exceeded', JSON_ERROR_CTRL_CHAR=>'Control character error, possibly incorrectly encoded', JSON_ERROR_STATE_MISMATCH=>'Invalid or malformed JSON', JSON_ERROR_SYNTAX=>'Syntax error', JSON_ERROR_UTF8=>'Malformed UTF-8 characters, possibly incorrectly encoded', ); }
调用:
$ip = $_SERVER["REMOTE_ADDR"]; $ipquery = new taobaoIPQuery($ip); $region = $ipquery->get_region(); $country = $ipquery->get_country(); $city = $ipquery->get_city();
我们再来看个腾讯api接口的
/* *根据腾讯IP分享计划的地址获取IP所在地,比较精确 */ function getIPLoc_QQ($queryIP){ $url = 'http://ip.qq.com/cgi-bin/searchip?searchip1='.$queryIP; $ch = curl_init($url); curl_setopt($ch,CURLOPT_ENCODING ,'gb2312'); curl_setopt($ch, CURLOPT_TIMEOUT, 10); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true) ; // 获取数据返回 $result = curl_exec($ch); $result = mb_convert_encoding($result, "utf-8", "gb2312"); // 编码转换,否则乱码 curl_close($ch); preg_match("@<span>(.*)</span></p>@iU",$result,$ipArray); $loc = $ipArray[1]; return $loc; }
腾讯的IP分享计划的查询接口连接是:http://ip.qq.com/cgi-bin/searchip,该连接后面会带有一个get参数searchip1,即searchip1=你要查询的IP地址。采用PHP向http://ip.qq.com/cgi-bin/searchip发送http get request,然后获取相应,获得相应结果后,将结果用正则表达式将需要的地理位置信息提取出来就OK了。当然,PHP发送get请求的方法有很多,我用curl来模拟http请求的方法
Curl是PHP的一个扩展,进行测试之前,先确认PHP已经加载了curl扩展。打开PHP配置文件php.ini,搜索 “extension=php_curl.dll”,将其前面的分号(;)去掉,然后重启HTTP服务器,查看phpinfo(),若能看到curl的信 息,说明PHP扩展curl成功
接下来是新浪网的API接口
新浪的IP查询接口地址是:http://int.dpool.sina.com.cn/iplookup/iplookup.php,该连接后面也带有get参数,参数ip=你要查询的IP地址,format=返回的查询结果格式。为了方便起见,返回的格式采用json,即format=json,因此,PHP出来扩展curl外,还得扩展json:
/* *根据新浪IP查询接口获取IP所在地 */ function getIPLoc_sina($queryIP){ $url = 'http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip='.$queryIP; $ch = curl_init($url); //curl_setopt($ch,CURLOPT_ENCODING ,'utf8'); curl_setopt($ch, CURLOPT_TIMEOUT, 10); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true) ; // 获取数据返回 $location = curl_exec($ch); $location = json_decode($location); curl_close($ch); $loc = ""; if($location===FALSE) return ""; if (emptyempty($location->desc)) { $loc = $location->province.$location->city.$location->district.$location->isp; }else{ $loc = $location->desc; } return $loc; }
使用getIPLoc_sina("183.37.209.57")即可得到IP地址所在的地址位置。
最后
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