php框架CodeIgniter使用redis的方法分析

<?php
 echo phpinfo();
?>

// 原生redis类库，不需要config/redis.php
$redis = new Redis();
$redis->connect('127.0.0.1',6379);
//$redis->set('key10','xx10',20);//第三个参数是存续时间，单位是秒，如果不填则为永久
echo $redis->get('key10');

<?php
defined('BASEPATH') OR exit('No direct script access allowed');
/**
 * Created by PhpStorm.
 * Date: 2017/2/9
 * Time: 13:32
 */
$config['socket_type'] = 'tcp';
$config['host'] = '127.0.0.1';
$config['password'] = NULL;
$config['port'] = 6379;
$config['timeout'] = 0;
?>

$config['sess_driver'] = 'files';
$config['sess_cookie_name'] = 'ci_session';
$config['sess_expiration'] = 7200;
$config['sess_save_path'] = NULL;
$config['sess_match_ip'] = FALSE;
$config['sess_time_to_update'] = 300;
$config['sess_regenerate_destroy'] = FALSE;

$config['sess_driver'] = 'redis';
$config['sess_cookie_name'] = 'ci_session';
$config['sess_expiration'] = 0;
$config['sess_save_path'] = 'tcp://127.0.0.1:xxxx';
$config['sess_match_ip'] = FALSE;
$config['sess_time_to_update'] = 600;
$config['sess_regenerate_destroy'] = TRUE;

// 框架的redis库
$this->load->driver('cache');
$this->cache->redis->save('key11','xx11');//这里注意，第三个参数是时间，在自定义redis库会说明
echo $this->cache->redis->get('key11');

<?php
defined ( 'BASEPATH' ) or exit ( 'No direct script access allowed' );
/**
 * Created by PhpStorm.
 * Date: 2017/2/9
 * Time: 20:00
 */
class Rediscli extends CI_Driver_Library {
 public $valid_drivers;
 public $CI;
 function __construct() {
  $this->CI = & get_instance ();
  $this->valid_drivers = array (
   'default'
  );
 }
}

// 自定义类，需要配置
$this->load->driver('rediscli');
if ($this->rediscli->default->is_supported())
{
 echo $this->rediscli->default->get('key2');
}

$this->cache->redis->save('key11','xx11',1000);

// 文本存储
$this->load->driver('cache',array('adapter'=>'redis','backup'=>'file'));
$this->cache->save('key5','xx5',10000);
echo $this->cache->get('key5');//xx5