//切換到redis目錄下
redis-cli.exe -h 127.0.0.1 -p 6379
//設(shè)置key
set key ABC
//取出Key
get key

<?php
// +----------------------------------------------------------------------
// | 緩存設(shè)置
// +----------------------------------------------------------------------
return [
    // 默認(rèn)緩存驅(qū)動(dòng)
    'default' => env('cache.driver', 'file'),
    // 緩存連接方式配置
    'stores'  => [
        'file' => [
            // 驅(qū)動(dòng)方式
            'type'       => 'File',
            // 緩存保存目錄
            'path'       => '',
            // 緩存前綴
            'prefix'     => '',
            // 緩存有效期 0表示永久緩存
            'expire'     => 0,
            // 緩存標(biāo)簽前綴
            'tag_prefix' => 'tag:',
            // 序列化機(jī)制 例如 ['serialize', 'unserialize']
            'serialize'  => [],
        ],
        // 配置Reids
        'redis'    =>    [
            'type'     => 'redis',
            'host'     => '127.0.0.1',
            'port'     => '6379',
            'password' => '123456',
            'select'   => '0',
            // 全局緩存有效期（0為永久有效）
            'expire'   => 0,
            // 緩存前綴
            'prefix'   => '',
            'timeout'  => 0,
        ],
    ],
];

use think\facade\Cache;
public function test(){
		// 使用文件緩存
		Cache::set('name','value',3600);
		Cache::get('name');
		// 使用Redis緩存
		Cache::store('redis')->set('name','value',3600);
		Cache::store('redis')->get('name');
		// 切換到文件緩存
		Cache::store('default')->set('name','value',3600);
		Cache::store('default')->get('name');
    }

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2021 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
declare (strict_types = 1);
namespace think\cache\driver;
use think\cache\Driver;
/**
 * Redis緩存驅(qū)動(dòng)，適合單機(jī)部署、有前端代理實(shí)現(xiàn)高可用的場(chǎng)景，性能最好
 * 有需要在業(yè)務(wù)層實(shí)現(xiàn)讀寫分離、或者使用RedisCluster的需求，請(qǐng)使用Redisd驅(qū)動(dòng)
 *
 * 要求安裝phpredis擴(kuò)展：https://github.com/nicolasff/phpredis
 * @author    塵緣 <130775@qq.com>
 */
class Redis extends Driver
{
    /** @var \Predis\Client|\Redis */
    protected $handler;
    /**
     * 配置參數(shù)
     * @var array
     */
    protected $options = [
        'host'       => '127.0.0.1',
        'port'       => 6379,
        'password'   => '',
        'select'     => 0,
        'timeout'    => 0,
        'expire'     => 0,
        'persistent' => false,
        'prefix'     => '',
        'tag_prefix' => 'tag:',
        'serialize'  => [],
    ];
    /**
     * 架構(gòu)函數(shù)
     * @access public
     * @param array $options 緩存參數(shù)
     */
    public function __construct(array $options = [])
    {
        if (!empty($options)) {
            $this->options = array_merge($this->options, $options);
        }
        if (extension_loaded('redis')) {
            $this->handler = new \Redis;
            if ($this->options['persistent']) {
                $this->handler->pconnect($this->options['host'], (int) $this->options['port'], (int) $this->options['timeout'], 'persistent_id_' . $this->options['select']);
            } else {
                $this->handler->connect($this->options['host'], (int) $this->options['port'], (int) $this->options['timeout']);
            }
            if ('' != $this->options['password']) {
                $this->handler->auth($this->options['password']);
            }
        } elseif (class_exists('\Predis\Client')) {
            $params = [];
            foreach ($this->options as $key => $val) {
                if (in_array($key, ['aggregate', 'cluster', 'connections', 'exceptions', 'prefix', 'profile', 'replication', 'parameters'])) {
                    $params[$key] = $val;
                    unset($this->options[$key]);
                }
            }
            if ('' == $this->options['password']) {
                unset($this->options['password']);
            }
            $this->handler = new \Predis\Client($this->options, $params);
            $this->options['prefix'] = '';
        } else {
            throw new \BadFunctionCallException('not support: redis');
        }
        if (0 != $this->options['select']) {
            $this->handler->select((int) $this->options['select']);
        }
    }
    /**
     * 判斷緩存
     * @access public
     * @param string $name 緩存變量名
     * @return bool
     */
    public function has($name): bool
    {
        return $this->handler->exists($this->getCacheKey($name)) ? true : false;
    }
    /**
     * 讀取緩存
     * @access public
     * @param string $name    緩存變量名
     * @param mixed  $default 默認(rèn)值
     * @return mixed
     */
    public function get($name, $default = null)
    {
        $this->readTimes++;
        $key   = $this->getCacheKey($name);
        $value = $this->handler->get($key);
        if (false === $value || is_null($value)) {
            return $default;
        }
        return $this->unserialize($value);
    }
    /**
     * 寫入緩存
     * @access public
     * @param string            $name   緩存變量名
     * @param mixed             $value  存儲(chǔ)數(shù)據(jù)
     * @param integer|\DateTime $expire 有效時(shí)間（秒）
     * @return bool
     */
    public function set($name, $value, $expire = null): bool
    {
        $this->writeTimes++;
        if (is_null($expire)) {
            $expire = $this->options['expire'];
        }
        $key    = $this->getCacheKey($name);
        $expire = $this->getExpireTime($expire);
        $value  = $this->serialize($value);
        if ($expire) {
            $this->handler->setex($key, $expire, $value);
        } else {
            $this->handler->set($key, $value);
        }
        return true;
    }
    /**
     * 自增緩存（針對(duì)數(shù)值緩存）
     * @access public
     * @param string $name 緩存變量名
     * @param int    $step 步長(zhǎng)
     * @return false|int
     */
    public function inc(string $name, int $step = 1)
    {
        $this->writeTimes++;
        $key = $this->getCacheKey($name);
        return $this->handler->incrby($key, $step);
    }
    /**
     * 自減緩存（針對(duì)數(shù)值緩存）
     * @access public
     * @param string $name 緩存變量名
     * @param int    $step 步長(zhǎng)
     * @return false|int
     */
    public function dec(string $name, int $step = 1)
    {
        $this->writeTimes++;
        $key = $this->getCacheKey($name);
        return $this->handler->decrby($key, $step);
    }
    /**
     * 刪除緩存
     * @access public
     * @param string $name 緩存變量名
     * @return bool
     */
    public function delete($name): bool
    {
        $this->writeTimes++;
        $key    = $this->getCacheKey($name);
        $result = $this->handler->del($key);
        return $result > 0;
    }
    /**
     * 清除緩存
     * @access public
     * @return bool
     */
    public function clear(): bool
    {
        $this->writeTimes++;
        $this->handler->flushDB();
        return true;
    }
    /**
     * 刪除緩存標(biāo)簽
     * @access public
     * @param array $keys 緩存標(biāo)識(shí)列表
     * @return void
     */
    public function clearTag(array $keys): void
    {
        // 指定標(biāo)簽清除
        $this->handler->del($keys);
    }
    /**
     * 追加TagSet數(shù)據(jù)
     * @access public
     * @param string $name  緩存標(biāo)識(shí)
     * @param mixed  $value 數(shù)據(jù)
     * @return void
     */
    public function append(string $name, $value): void
    {
        $key = $this->getCacheKey($name);
        $this->handler->sAdd($key, $value);
    }
    /**
     * 獲取標(biāo)簽包含的緩存標(biāo)識(shí)
     * @access public
     * @param string $tag 緩存標(biāo)簽
     * @return array
     */
    public function getTagItems(string $tag): array
    {
        $name = $this->getTagKey($tag);
        $key  = $this->getCacheKey($name);
        return $this->handler->sMembers($key);
    }
}

redis 127.0.0.1:6379> SAVE 
//該命令將在 redis 安裝目錄中創(chuàng)建dump.rdb文件。
//如果需要恢復(fù)數(shù)據(jù)，只需將備份文件 (dump.rdb) 移動(dòng)到 redis 安裝目錄并啟動(dòng)服務(wù)即可。獲取 redis 目錄可以使用 CONFIG 命令
redis 127.0.0.1:6379> CONFIG GET dir