Le principe et l'utilisation de TP5 Cache

   protected static $instance = [];    
   public static $readTimes   = 0;    
   public static $writeTimes  = 0;   
   /**
     * 操作句柄
     * @var object
     * @access protected     */
    protected static $handler;     /**
     * 写入缓存
     * @access public
     * @param string        $name 缓存标识
     * @param mixed         $value  存储数据
     * @param int|null      $expire  有效时间 0为永久
     * @return boolean     */
    public static function set($name, $value, $expire = null)
    {
        self::$writeTimes++;       
         return self::init()->set($name, $value, $expire);
    }

  public static function init(array $options = [])
    {        if (is_null(self::$handler)) {            // 自动初始化缓存
            if (!empty($options)) {                
            $connect = self::connect($options);
            } elseif ('complex' == Config::get('cache.type')) {                
            $connect = self::connect(Config::get('cache.default'));
            } else {                
            $connect = self::connect(Config::get('cache'));
            }
            self::$handler = $connect;
        }        return self::$handler;
    }

/**
     * 连接缓存
     * @access public
     * @param array         $options  配置数组
     * @param bool|string   $name 缓存连接标识 true 强制重新连接
     * @return Driver
     */
    public static function connect(array $options = [], $name = false)
    {

        $type = !empty($options['type']) ? $options['type'] : 'File';
        if (false === $name) {
            $name = md5(serialize($options));
        }

        if (true === $name || !isset(self::$instance[$name])) {
            $class = false !== strpos($type, '\\') ? $type : '\\think\\cache\\driver\\' . ucwords($type);
            // 记录初始化信息
            App::$debug && Log::record('[ CACHE ] INIT ' . $type, 'info');
            if (true === $name) {
                return new $class($options);
            } else {
                self::$instance[$name] = new $class($options);
            }
        }

        return self::$instance[$name];
    }

public function __construct($options = [])
    {
        if (!extension_loaded('redis')) {
            throw new \BadFunctionCallException('not support: redis');
        }
        if (!empty($options)) {
            $this->options = array_merge($this->options, $options);
        }
        $func          = $this->options['persistent'] ? 'pconnect' : 'connect';
        $this->handler = new \Redis;
        $this->handler->$func($this->options['host'], $this->options['port'], $this->options['timeout']);
        if ('' != $this->options['password']) {
            $this->handler->auth($this->options['password']);
        }
        if (0 != $this->options['select']) {
            $this->handler->select($this->options['select']);
        }
    }

/**
     * 写入缓存
     * @access public
     * @param string    $name 缓存变量名
     * @param mixed     $value  存储数据
     * @param integer   $expire  有效时间（秒）
     * @return boolean
     */
    public function set($name, $value, $expire = null)
    {
        if (is_null($expire)) {
            $expire = $this->options['expire'];
        }
        if ($this->tag && !$this->has($name)) {
            $first = true;
        }
        $key = $this->getCacheKey($name);
        //对数组/对象数据进行缓存处理，保证数据完整性  byron sampson<xiaobo.sun@qq.com>
        $value = (is_object($value) || is_array($value)) ? json_encode($value) : $value;
        if (is_int($expire) && $expire) {
            $result = $this->handler->setex($key, $expire, $value);
        } else {
            $result = $this->handler->set($key, $value);
        }
        isset($first) && $this->setTagItem($key);
        return $result;
    }

        $res  = Cache::init();        
        $redis = $res->handler();        
        $redis->lpush('test',111);        
        $redis->rpush('test',111);        
        $redis->lpop('test');