ip城市定位新浪接口：

/*** 新浪ip 地址獲取城市信息*///根據ip 地址獲取所在城市信息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($ch, CURLOPT_TIMEOUT, 5);curl_setopt($ch, CURLOPT_RETURNTRANSFER, true) ; // 獲取數據返回$location = curl_exec($ch);$location = json_decode($location);curl_close($ch);$loc = "";if($location===FALSE) return "";if (empty($location->desc)) {$loc = $location->province.$location->city.$location->district.$location->isp; }else{$loc = $location->desc;}return $loc;}echo getIPLoc_sina("183.37.209.57");
ip地址 ip138 地址查詢：

header("content-type:text/html;charset=utf8");function get_city($ip=null) {$ip = $ip?$ip:$_SERVER['REMOTE_ADDR'];$url = "http://www.ip138.com/ips1388.asp?ip=$ip&action=2";$res = file_get_contents($url);// 將網頁 轉碼 成utf8$encode = mb_detect_encoding($res, array("ASCII","UTF-8","GB2312","GBK","BIG5"));if($encode != "UTF-8"){$res = iconv($encode,"UTF-8", $res);}$pos = stripos($res,"本站主數據：");$str = substr($res, $pos, 60);if (preg_match('/^本站主數據：(.+)省(.+)市/i', $str, $m)) {$addr = array();$addr['prov'] = $m[1];$addr['city'] = $m[2];return $addr;}return ;}//清除cookieforeach ($_COOKIE as $key => $val) {$_COOKIE[$key] = '';}//使用范例$address= get_city("183.37.209.57"); //202.96.154.8 深圳var_dump($address);

總結

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