<?php
// +----------------------------------------------------------------------
// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2017~2021 https://www.yiovo.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
// +----------------------------------------------------------------------
// | Author: 萤火科技 <admin@yiovo.com>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace app\common\model;

use think\cache\driver\Redis;

class RedisString
{
	static private $instance;
	static private $handle;
	private function __construct(){
		 self::$handle = (new Redis(config('cache.stores.redis')))->handler();

	}

	static public function getInstance(){
		if(!self::$instance instanceof self){
			self::$instance = new self();
		}
		return self::$instance;
	}


	//有序集合 添加
	public function zAdd($key,$score,$value){
		return self::$handle->zAdd($key,$score,$value);
	}

	//获取有序集合$value当前的排名排名从0开始
    public function zRevRank($key,$value){
	    return self::$handle->zRevrank($key,$value);
    }

	//获取成员数 Zrangebyscore 
	public function zRangeByScore($key,$min,$max){
		return self::$handle->zRangeByScore($key,(string)$min,(string)$max);
	}

	//移除指定区别的成员
	public function zREMRANGEBYSCORE($key,$min,$max){
		return self::$handle->zREMRANGEBYSCORE($key,(string)$min,(string)$max);
	}

	//查看有序集合指定区间内的成员
    public function zRange($key, $start=0, $stop=-1){
        return self::$handle->zRANGE($key,$start,$stop);
    }


}