jyblhdl_admin/application/api/service/CacheService.php

<?php

namespace app\api\service;

use think\cache\driver\Redis;


class CacheService
{
    /**
     * redis 实例
     *
     * @var think\cache\driver\Redis $redis
     */
    private $redis;
    public function __construct()
    {
        $this->redis = new Redis([ 'select'=> 2]);
    }

    /**
     * User: YunXi
     * Date: 2022-05-21 
     * Time: 22:00 
     * Notes: 设置自增
     *
     * @param [type] $name
     * @param integer $step
     * @return integer
     */
    public static function incr($name, $step = 1) :int
    {
        return (int) self::$redis->inc($name, $step);
    }

    /**
     * User: YunXi
     * Date: 2022-05-21 
     * Time: 22:00 
     * Notes: 设置过期时间
     *
     * @param [type] $key
     * @param [type] $ttl
     * @return void
     */
    public static function expire($key,$ttl) 
    {        
        return self::$redis->expire($key,$ttl);
    }

    /**
     * User: YunXi
     * Date: 2022-05-21 
     * Time: 22:03 
     * Notes: 删除锁
     *
     * @param string $key
     * @return void
     */
    public static function del($key) 
    {
        return self::$redis->del($key);
    }
}