Redis基础知识之——自定义封装单实例和普通类Redis

一、普通Redis实例化类：

class MyRedis
{
private $redis;

public function __construct($host = '121.41.88.209', $port = 63789)
{
$this->redis = new Redis();
$this->redis->connect($host, $port);
}

public function expire($key = null, $time = 0)
{
return $this->redis->expire($key, $time);
}

public function psubscribe($patterns = array(), $callback)
{
$this->redis->psubscribe($patterns, $callback);
}

public function setOption()
{
$this->redis->setOption(\Redis::OPT_READ_TIMEOUT,-1);
}

}

二、单例模式Redis实例化类：

<?php
/**
* Created by PhpStorm.
* User: Tinywan
* Date: 2016/7/3
* Time: 9:26
* Mail: Overcome.wan@Gmail.com
* Singleton instance
*/

namespace Org\Util;

class RedisInstance
{
/**
* 类对象实例数组,共有静态变量
* @var null
*/
private static $_instance;

/**
* 数据库连接资源句柄
* @var
*/
private static $_connectSource;

/**
* 私有化构造函数，防止类外实例化
* RedisConnect constructor.
*/
private function __construct()
{

}

/**
*  单例方法,用于访问实例的公共的静态方法
* @return \Redis
* @static
*/
public static function getInstance()
{
if (!(static::$_instance instanceof \Redis)) {
static::$_instance = new \Redis();
self::getInstance()->connect(C('MASTER.HOST'), C('MASTER.PORT'), C('MASTER.TIMEOUT'));
}
return static::$_instance;
}

/**
* Redis数据库是否连接成功
* @return bool|string
*/
public static function connect()
{
// 如果连接资源不存在，则进行资源连接
if (!self::$_connectSource)
{
//@return bool TRUE on success, FALSE on error.
self::$_connectSource = self::getInstance()->connect(C('MASTER.HOST'), C('MASTER.PORT'), C('MASTER.TIMEOUT'));
// 没有资源返回
if (!self::$_connectSource)
{
return 'Redis Server Connection Fail';
}
}
return self::$_connectSource;
}

/**
* 私有化克隆函数，防止类外克隆对象
*/
private function __clone()
{
// TODO: Implement __clone() method.
}

/**
* @return \Redis
* @static
*/
public static function test()
{
return 'test';
}