该函数取得服务器mac地址;
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谁有取得客户端mac地址的麻烦共享一下(js)
[php]
<?php
/**
*@Date : 2005-07-29
*@QQ : 107197046
**/

function getMac() {

( !ini_get('safe_mode') ) OR die('Error:In safe mode');

if( strpos($_SERVER['SERVER_SOFTWARE'], 'Win') ) {
$is_win = TRUE;
}

$cmd = $is_win ? 'ipconfig /all' : '/sbin/ifconfig -a';
function_exists('exec') ? exec($cmd, $arr) : die('Exec() has been disabled');

for($i = 0; $i < count($arr); $i++) {
if( preg_match('|(([0-9A-F]{2}-?){6})|', $arr[$i], $matches) ) {
Return $matches[1];
}
}
}

printf('Mac: %s', getMac());
?>
[/php]