function pkcs5_pad($text, $blocksize)
{
$pad = $blocksize - (strlen($text) % $blocksize);
return $text . str_repeat(chr($pad), $pad);
}
function pkcs5_unpad($text)
{
$pad = ord($text{strlen($text)-1});
if ($pad > strlen($text))
{
return false;
}
if( strspn($text, chr($pad), strlen($text) - $pad) != $pad)
{
return false;
}
return substr($text, 0, -1 * $pad);
}
$key = "AKlMU89D3FchIkhKyMma6FiE";
//$key = pack("H48", $key);
$iv = "0102030405060708";
$iv = pack("H16", $iv);
$td = mcrypt_module_open(MCRYPT_3DES, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($td, $key, $iv);
$str = base64_encode(mcrypt_generic($td,pkcs5_pad("1qaz2ws",8)));
echo $str ."";
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
$td = mcrypt_module_open(MCRYPT_3DES, '', MCRYPT_MODE_ECB, '');
mcrypt_generic_init($td, $key, $iv);
$ttt  = pkcs5_unpad(mdecrypt_generic($td, base64_decode($str)));
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
echo $ttt;
exit;

/*密钥为16的倍数*/
private static String keyString = "AKlMU89D3FchIkhK";//密钥
/*AES算法*/
secretKey = new SecretKeySpec(keyString.getBytes(), "AES");//获得密钥
/*获得一个私鈅加密类Cipher，DESede-》AES算法，ECB是加密模式，PKCS5Padding是填充方式*/
cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");