What is the Session Manager by Redis used for in web applications?

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使用Redis管理并保存Session

1. [文件] SessionManager.php ≤ 1KB 下载 (2)php

function __construct() { // 初始化Redis连接 $this->redis=new Redis(); $this->redis->connect('127.0.0.1', 6379);

// 设置session保存路径 $this->sessionSavePath='tcp://127.0.0.1:6379';

// 设置session名称 $this->sessionName='my_session';

// 设置session过期时间 $this->sessionExpireTime=30; }}?>

使用Redis管理和保存Session

1.[文件] SessionManager.php~1KB 下载(2)

<?php /** * SessionManager */ class SessionManager { private $redis; private $sessionSavePath; private $sessionName; private $sessionExpireTime = 30; function __construct() { $this->redis = new Predis\client(); $this->redis->connect('127.0.0.1', 6379); $retval = session_set_save_handler( array($this, "open"), array($this, "close"), array($this, "read"), array($this, "write"), array($this, "destroy"), array($this, "gc") ); session_start(); } public function open($patn, $name){ return true; } public function close() { return true; } public function read($id) { $value = $this->redis->get($id); if ($value) { return $value; }else{ return ''; } } public function write($id, $data) { var_dump($id); if ($this->redis->set($id, $data)) { $this->redis->expire($id, $this->sessionExpireTime); return true; } return false; } public function destroy($id) { if ($this->redis->delete($id)) { return true; } return false; } public function gc($maxlifetime) { return true; } public function __destruct() { session_write_close(); } } ?>

2.[文件] session_set.php~241B 下载(2)

<?php require '../Predis/src/Autoloader.php'; Predis\Autoloader::register(); include("SessionManager.php"); new SessionManager(); $_SESSION['username'] = "xugang"; echo "<a href = './session_get.php'>session</a>"; ?>

3.[文件] session_get.php~177B 下载(2)

<?php require '../Predis/src/Autoloader.php'; Predis\Autoloader::register(); include("SessionManager.php"); new SessionManager(); echo $_SESSION['username']; ?>