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134 lines
3.6 KiB
134 lines
3.6 KiB
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think\session\driver;
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use SessionHandler;
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use think\Exception;
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class Redis extends SessionHandler
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{
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/** @var \Redis */
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protected $handler = null;
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protected $config = [
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'host' => '127.0.0.1', // redis主机
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'port' => 6379, // redis端口
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'password' => '', // 密码
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'select' => 0, // 操作库
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'expire' => 3600, // 有效期(秒)
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'timeout' => 0, // 超时时间(秒)
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'persistent' => true, // 是否长连接
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'session_name' => '', // sessionkey前缀
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];
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public function __construct($config = [])
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{
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$this->config = array_merge($this->config, $config);
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}
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/**
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* 打开Session
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* @access public
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* @param string $savePath
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* @param mixed $sessName
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* @return bool
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* @throws Exception
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*/
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#[\ReturnTypeWillChange]
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public function open($savePath, $sessName)
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{
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// 检测php环境
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if (!extension_loaded('redis')) {
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throw new Exception('not support:redis');
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}
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$this->handler = new \Redis;
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// 建立连接
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$func = $this->config['persistent'] ? 'pconnect' : 'connect';
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$this->handler->$func($this->config['host'], $this->config['port'], $this->config['timeout']);
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if ('' != $this->config['password']) {
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$this->handler->auth($this->config['password']);
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}
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if (0 != $this->config['select']) {
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$this->handler->select($this->config['select']);
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}
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return true;
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}
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/**
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* 关闭Session
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* @access public
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*/
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#[\ReturnTypeWillChange]
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public function close()
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{
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$this->gc(ini_get('session.gc_maxlifetime'));
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$this->handler->close();
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$this->handler = null;
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return true;
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}
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/**
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* 读取Session
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* @access public
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* @param string $sessID
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* @return string
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*/
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#[\ReturnTypeWillChange]
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public function read($sessID)
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{
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return (string) $this->handler->get($this->config['session_name'] . $sessID);
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}
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/**
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* 写入Session
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* @access public
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* @param string $sessID
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* @param string $sessData
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* @return bool
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*/
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#[\ReturnTypeWillChange]
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public function write($sessID, $sessData)
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{
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if ($this->config['expire'] > 0) {
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return $this->handler->setex($this->config['session_name'] . $sessID, $this->config['expire'], $sessData);
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} else {
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return $this->handler->set($this->config['session_name'] . $sessID, $sessData);
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}
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}
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/**
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* 删除Session
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* @access public
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* @param string $sessID
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* @return bool
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*/
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#[\ReturnTypeWillChange]
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public function destroy($sessID)
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{
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return $this->handler->del($this->config['session_name'] . $sessID) > 0;
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}
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/**
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* Session 垃圾回收
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* @access public
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* @param string $sessMaxLifeTime
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* @return bool
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*/
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#[\ReturnTypeWillChange]
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public function gc($sessMaxLifeTime)
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{
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return true;
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}
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}
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