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复制代码 代码如下:
<?php
class MySession extends DBSQL {
/**
* __construct()
*/
public function __construct() {
parent::__construct ();
}
/**
* open()
*
* @param <String> $sSavePath
* @param <String>$sSessionNames
*
* @return <Boolean> true
*/
public function open($sSavePath, $sSessionName) {
return true;
}
/**
* close()
*/
public function close() {
return true;
}
/**
* read()
*
* @param <String> $sSessionId
* @return <String> Session data or null on error...
*/
public function read($sSessionId) {
$sSessionId = addslashes(trim($sSessionId));
$sSql = "SELECT * FROM tb_session WHERE F_SessionId = '{$sSessionId}'";
//echo $sSql;
if(false != ($result = $this->select($sSql))) {
//var_dump($result[0]['F_SessionData']);
return $result[0]['F_SessionData'];
} else {
return '';
}
}
/**
* write()
*
* @param <String> $SessionId
* @param <String> $sSessionData
*
* @return <Boolean> true or false
*/
public function write($sSessionId, $sSessionData) {
$arrSession = array();
$arrSession['F_SessionId'] = addslashes(trim($sSessionId));
$arrSession['F_SessionData'] = addslashes($sSessionData);
$arrSession['F_SessionCreated'] = date("Y-m-d H:i:s");
$arrSession['F_SessionUpdated'] = date("Y-m-d H:i:s", time() + 1440);
// 新session及更新的session
if (false != ($result = $this->insertData('tb_session', $arrSession))) {
return true;
} else {
$arrUpdateSession = array();
$arrUpdateSession['F_SessionData'] = addslashes($sSessionData);
$arrUpdateSession['F_SessionUpdated'] = date("Y-m-d H:i:s", time() + 1440);
if (false != ($result = $this->updateData('tb_session', "'".addslashes($sSessionId)."'", 'F_SessionId', $arrUpdateSession))) {
return true;
} else {
return false;
}
}
}
/**
* destroy()
*
* @param <String> $sSessionId
* @return <Boolean> true
*/
public function destroy($sSessionId) {
$sSessionId = addslashes(trim($sSessionId));
$this->delData($sSessionId, 'F_SessionId', 'tb_session');
return true;
}
/**
* gc
*
* @param <int> $nMaxLifeTime seconds
*
* @return <Boolean> true
*/
public function gc($nMaxLifeTime) {
$dtExpiredTime = date("Y-m-d H:i:s", time() - $nMaxLifeTime);
$sSql = "DELETE FROM tb_session WHERE F_SessionUpdated < {$dtExpiredTime}";
//echo $sSql;
$this->delete($sSql);
return true;
}
/**
* __desctruct()
*
*/
function __destruct() {
// ensure session data is written out before classes are destroyed
// (see http://bugs.php.net/bug.php?id=33772 for details)
@session_write_close();
} // __destruct
}
?>
<?php
class MySession extends DBSQL {
/**
* __construct()
*/
public function __construct() {
parent::__construct ();
}
/**
* open()
*
* @param <String> $sSavePath
* @param <String>$sSessionNames
*
* @return <Boolean> true
*/
public function open($sSavePath, $sSessionName) {
return true;
}
/**
* close()
*/
public function close() {
return true;
}
/**
* read()
*
* @param <String> $sSessionId
* @return <String> Session data or null on error...
*/
public function read($sSessionId) {
$sSessionId = addslashes(trim($sSessionId));
$sSql = "SELECT * FROM tb_session WHERE F_SessionId = '{$sSessionId}'";
//echo $sSql;
if(false != ($result = $this->select($sSql))) {
//var_dump($result[0]['F_SessionData']);
return $result[0]['F_SessionData'];
} else {
return '';
}
}
/**
* write()
*
* @param <String> $SessionId
* @param <String> $sSessionData
*
* @return <Boolean> true or false
*/
public function write($sSessionId, $sSessionData) {
$arrSession = array();
$arrSession['F_SessionId'] = addslashes(trim($sSessionId));
$arrSession['F_SessionData'] = addslashes($sSessionData);
$arrSession['F_SessionCreated'] = date("Y-m-d H:i:s");
$arrSession['F_SessionUpdated'] = date("Y-m-d H:i:s", time() + 1440);
// 新session及更新的session
if (false != ($result = $this->insertData('tb_session', $arrSession))) {
return true;
} else {
$arrUpdateSession = array();
$arrUpdateSession['F_SessionData'] = addslashes($sSessionData);
$arrUpdateSession['F_SessionUpdated'] = date("Y-m-d H:i:s", time() + 1440);
if (false != ($result = $this->updateData('tb_session', "'".addslashes($sSessionId)."'", 'F_SessionId', $arrUpdateSession))) {
return true;
} else {
return false;
}
}
}
/**
* destroy()
*
* @param <String> $sSessionId
* @return <Boolean> true
*/
public function destroy($sSessionId) {
$sSessionId = addslashes(trim($sSessionId));
$this->delData($sSessionId, 'F_SessionId', 'tb_session');
return true;
}
/**
* gc
*
* @param <int> $nMaxLifeTime seconds
*
* @return <Boolean> true
*/
public function gc($nMaxLifeTime) {
$dtExpiredTime = date("Y-m-d H:i:s", time() - $nMaxLifeTime);
$sSql = "DELETE FROM tb_session WHERE F_SessionUpdated < {$dtExpiredTime}";
//echo $sSql;
$this->delete($sSql);
return true;
}
/**
* __desctruct()
*
*/
function __destruct() {
// ensure session data is written out before classes are destroyed
// (see http://bugs.php.net/bug.php?id=33772 for details)
@session_write_close();
} // __destruct
}
?>
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