复制代码 代码如下:
config = $args;
  $this->maxlifetime = get_cfg_var(session.gc_maxlifetime);
  session_set_save_handler(
  array($this, open),
  array($this, close),
  array($this, read),
  array($this, write),
  array($this, destroy),
  array($this, gc));
}
public function open() {
  $this->link = mysqli_connect(
  $this->config['host'],
  $this->config['user'],
  $this->config['password'],
  $this->config['database']);
  mysqli_set_charset($this->link, utf8);
  $sql = 'create table if not exists `%s` (
  `session_id` varchar(255) not null,
  `session_data` text,
  `session_expires` char(10) not null,
  primary key (`session_id`)
  ) engine=innodb default charset=utf8 collate=utf8_unicode_ci;';
  $sql = sprintf($sql, $this->config['table']);
  mysqli_query($this->link, $sql);
  return true;
 }
public function close() {
  return true;
 }
public function read($session_id) {
  if(empty($session_id)) return null;
$sql = 'select `session_data` as `data` from `%s` where `session_id` = %s and `session_expires` > %u';
  $sql = sprintf($sql,
  mysqli_real_escape_string($this->link, $this->config['table']),
  mysqli_real_escape_string($this->link, $session_id),
  time());
$result = mysqli_query($this->link, $sql);
  $row = mysqli_fetch_assoc($result);
  return $row['data'];
}
public function write($session_id, $session_data) {
  if(empty($session_id)) return null;
$newexpires = time() + $this->maxlifetime;
  $sql = 'replace into `%s` set `session_id` = %s, `session_data` = %s, `session_expires` = %u';
  $sql = sprintf($sql,
  mysqli_real_escape_string($this->link, $this->config['table']),
  mysqli_real_escape_string($this->link, $session_id),
  mysqli_real_escape_string($this->link, $session_data),
  $newexpires);
$result = mysqli_query($this->link, $sql);
  return mysqli_affected_rows($this->link);
}
public function destroy($session_id) {
  $sql = 'delete from `%s` where `session_id` = %s';
  $sql = sprintf($sql,
  mysqli_real_escape_string($this->link, $this->config['table']),
  mysqli_real_escape_string($this->link, $session_id));  $result = mysqli_query($this->link, $sql);
  return mysqli_affected_rows($this->link);
    }
public function gc() {
  $sql = 'delete from `%s` where `session_expires`   $sql = sprintf($sql,
  mysqli_real_escape_string($this->link, $this->config['table']),
  time());
$result = mysqli_query($this->link, $sql);
  return mysqli_affected_rows($this->link);
    }
}
class session {
 public static $collection = null;
public static function open($clean = false, $token = false) {
  if($clean) ob_end_clean();
  if($token) session_id($token);
  session_start();
  self::$collection = $_session;
 }
public static function id() {
  $num_args = func_num_args();
  if($num_args) {
   $args = func_get_arg(0);
   return session_id($args);
  }else{
   return session_id();
  }
 }
public static function get($name) {
  return isset($_session[$name]) ? $_session[$name] : null;
 }
public static function set($name, $value) {
  $_session[$name] = $value;
  return true;
 }
public static function delete($name) {
  if(!isset($_session[$name])) return null;
  unset($_session[$name]);
  return true;
 }
public static function destroy() {
  session_destroy();
 }
}
$config = array(
host=> 127.0.0.1,
user=> root,
password=> 123456,
database=> test,
charset=> utf8,
table=> user_session);
session_handler::init($config);
session::open();
session::set(profile, array(id=> 1, user=> haowei, vip-level=> 6));
http://www.bkjia.com/phpjc/736853.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/736853.htmltecharticle复制代码 代码如下: ?php class session_handler { protected $maxlifetime = null; protected $dbhandle = null; public $config = null; public static function init($args) { retur...