新浪通过IP地址获取当前地理位置(ip端、国家、省份、城市、运营商)的php接口很强大呢/**<br>
* 取得地理位置信息<br>
* $format : js json string<br>
* return $array<br>
*/<br>
function iplookup($format='json'){<br>
//返回Sina地理位置信息<br>
$res = restRequest('http://int.dpool.sina.com.cn/iplookup/iplookup.php?format='.$format);<br>
$res = json_decode($res,true);<br>
return $res;<br>
}
/**<br>
* 调用REST服务<br>
*/<br>
function restRequest($url, $method = 'GET', $data, $contentType = 'application/json', $timeout = 30, $proxy = false) {<br>
$ch = null;<br>
if ('POST' === strtoupper($method)) {<br>
$ch = curl_init($url);<br>
curl_setopt($ch, CURLOPT_POST, 1);<br>
curl_setopt($ch, CURLOPT_HEADER,0 );<br>
curl_setopt($ch, CURLOPT_FRESH_CONNECT, 1);<br>
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);<br>
curl_setopt($ch, CURLOPT_FORBID_REUSE, 1);<br>
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);<br>
if($contentType) {<br>
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type:'.$contentType));<br>
}<br>
if(is_string($data)){<br>
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);<br>
} else {<br>
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));<br>
}<br>
} elseif('GET' === strtoupper($method)) {<br>
if(is_string($data)) {<br>
$real_url = $url. (strpos($url, '?') === false ? '?' : ''). $data;<br>
} else {<br>
$real_url = $url. (strpos($url, '?') === false ? '?' : ''). http_build_query($data);<br>
}<br>
$ch = curl_init($real_url);<br>
curl_setopt($ch, CURLOPT_HEADER, 0);<br>
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type:'.$contentType));<br>
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);<br>
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);<br>
} else {<br>
$args = func_get_args();<br>
//Log::error($args);<br>
return false;<br>
}<br>
if ($proxy) {<br>
curl_setopt($ch, CURLOPT_PROXY, $proxy);<br>
}<br>
$ret = curl_exec($ch);<br>
$info = curl_getinfo($ch);<br>
$contents = array(<br>
'httpInfo' => array(<br>
'send' => $data,<br>
'url' => $url,<br>
'ret' => $ret,<br>
'http' => $info,<br>
)<br>
);<br>
curl_close($ch);<br>
return $ret;<br>
}
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