PHP ??:
/*
* ??: CnkknD PHP ??? ???
* ??: MySQL ?? ???? ???? PHP ???
* ???: Daniel King, cnkknd@ 163.com
* ??: 2003/8/25
*/
class ???
{
var $username; //??? ??
var $userpass
var $userid; //??? ID
var $userlevel; //??? ??
var $authtable="account"; //?? ??? ???
var $usecookie=true; sessionid
var $cookiepath='/'; //?? ??
var $cookietime=108000; //?? ?? ??
var $err_mysql="mysql error"; var $err_username="??? ??? ???????"; //??? ??? ???????.
var $err_user="???? ???????"; //???? ???????(???)
var $err_password="???? ??"; message
var $err; //?? ???
var $errorreport=false; //?? ??
function Login($dbserv,$dbport,$dbuser,$dbpass,$dbname) //???, ??????? ??
{
if(@mysql_pconnect($dbserv.":".$dbport,$dbuser,$dbpass))
{
mysql_select_db($dbname)}
else
{
$this->err_mysql)
$this->err=$this->err_mysql;
function isLoggedin() //??? ?? ??
{
if(isset($_COOKIE['sid'])) //??? ??? sid? ?? ??
{
session_id($_COOKIE['sid']);
session_start();
$this->username=$_SESSION['username']
$this->userid=$_SESSION[ 'userid'];
$this->userlevel=$_SESSION['userlevel'];
return true
}
else //sid? ??? ???? ?? ?? ?? ?? ??
{
session_start();
if(isset($_SESSION['username']))
return true;
}
return false;
?? userAuth($username,$userpass) //??? ??
{
$this->username=$username;
$this->userpass=$userpass
$ query=" `".$this->authtable."`?? * ??, ??? `username`='$username';"
$result=mysql_query($query)
if(mysql_num_rows($) result)! =0) //? ???? ????
{
$row=mysql_fetch_array($result)
if($row['bannd']==1) //? ???? ???????
{
$this->errReport($this->err_user)
$this->err=$this->err_user
return false
} >elseif( md5($userpass)==$row['userpass']) //???? ??
{
$this->userid=$row['id']
$this- >userlevel =$row['userlevel'];
return true;
}
else //????? ???? ????
{
$this->errReport($this-> ;err_password);
$this->err=$this->err_password;
return false
}
}
else //? ???? ?? ? ????
{
$this ->errReport($this->err_username);
$this->err=$this->err_username;
return false; ??>function setSession( ) //?? ??
{
$sid=uniqid('sid'); //sid ??
session_id($sid)
session_start(); $_SESSION['username']=$this->username; //?? ??? ? ??
$_SESSION['userid']=$this->userid; _SESSION['userlevel']=$ this->userlevel; //..
if($this->use_cookie) //sid? ???? ?? ??? ???? ??
{
if(!setcookie ('sid',$sid,time( ) $this->cookietime,$this->cookiepath))
$this->errReport("?? ?? ??")
}
else
setcookie('sid', '',time()-3600); //??? sid ???
}
function userLogout() //??? ????
{
session_start( );
unset($_SESSION ['username']); //???? ??? ?? ???
if(setcookie('sid','',time()-3600))
//sid ??? ????
return true
else
return false
}
function errReport($str) //?? ??
{
if($this->error_report )
?? "??: $str"
}
}
?>?
mysql中表? ??
??:
CREATE?TABLE?`account`?(
??`id`?bigint(20)?NOT?NULL?auto_increment,
??`username`?varchar(255)?NOT?NULL?default?' ',
??`userpass`?varchar(255)?NOT?NULL?????'',
??`banned`?tinyint(1)?NOT?NULL?????'0',
??`userlevel`?tinyint(4)?NOT?NULL?????'0 ',
????????(`id`)
)?
使用一例
PHP代碼:
'../myclasses/Login.php'? ?????.
$dbserv="localhost";
$dbport="3306";
$dbuser="??";
$dbpass="123456";
$dbname="???";
$login=new????($dbserv,$dbport,$dbuser,$dbpass,$dbname);
$login->error_report=true;
$login->cookietime=3600*24*30;
if($login->isLoggedin())
{
echo $login->username."??? ????????.";
}
elseif($login->userAuth("danielking","1234"))
{
echo "??? ??";
$login->setSession();
}
???"

...

";
/*
if($login->userLogout())
echo "????";
??? ???
echo "???? ??";
*/
?>??
?

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