分享一个生成GUID的类~~~~~~~~~~~~

[mynamesucks]

在www.phpclasses.org下到的，希望对大家有帮助
guid -- 全局唯一标识符
型如 54BB7788-0008-7789-ABAB-112233445566 这个样子的英文与数字的组合

Guid Class
License: GPL

Sample:

$Guid = new Guid();
print $Guid->toString();

Binzy Wu
[e-mail]
iZz Soft
2004-07-08 20:26:16 Shanghai
-----------------------------------------------

下面是类的内容

<?

/* $Id: Guid.php,v 1.0 2004/07/08 05:50:17 binzy Exp $ */


class System
{
function currentTimeMillis()
{
list($usec, $sec) = explode(" ",microtime());
return $sec.substr($usec, 2, 3);
}

}

class NetAddress
{

var $Name = 'localhost';
var $IP = '127.0.0.1';

function getLocalHost() // static
{
$address = new NetAddress();
$address->Name = $_ENV["COMPUTERNAME"];
$address->IP = $_SERVER["SERVER_ADDR"];

return $address;
}

function toString()
{
return strtolower($this->Name.'/'.$this->IP);
}

}

class Random
{
function nextLong()
{
$tmp = rand(0,1)?'-':'';
return $tmp.rand(1000, 9999).rand(1000, 9999).rand(1000, 9999).rand(100, 999).rand(100, 999);
}
}

// 三段
// 一段是微秒 一段是地址 一段是随机数
class Guid
{

var $valueBeforeMD5;
var $valueAfterMD5;

function Guid()
{
$this->getGuid();
}
//
function getGuid()
{
$address = NetAddress::getLocalHost();
$this->valueBeforeMD5 = $address->toString().':'.System::currentTimeMillis().':'.Random::nextLong();
$this->valueAfterMD5 = md5($this->valueBeforeMD5);
}

function newGuid()
{
$Guid = new Guid();
return $Guid;
}

function toString()
{
$raw = strtoupper($this->valueAfterMD5);
return substr($raw,0,8).'-'.substr($raw,8,4).'-'.substr($raw,12,4).'-'.substr($raw,16,4).'-'.substr($raw,20);
}

}

?>

[erldy]

第一个收藏先！！谢谢！

[死胖子]

第二个来研究，哈哈，谢啦

[hahawen]

0

[YT7260]

www.phpclasses.org 我上去怎么显示关闭？

[lostgdi731]

第26行有错。
应为:
$address->IP = $_SERVER["REMOTE_ADDR"];

[linyang0106linyang]

十分感谢

[fhiesc]

收藏了，谢谢楼主。

[bflovesnow]

mark

[hzsasheng]

研究中。。。谢谢楼主

[flame2000]

mark