条件是你先安装好redis
1.利用composer安装
请参考这个网址

https://packagist.org/packages/predis/predis
在tp5项目根目录下命令行实行以下命令(条件:你得安装好composer,如果你不知道啥是composer,那我得打你屁股)
composer require predis/predis
2.去万能的github找
https://github.com/nrk/predis
3.修正Application想目录下的config.php文件
4.利用单例模式封装Predis操作类
<?phpnamespace app\index\service;//单例模式class MyRedisService{ private static $instance; //防止被实例化 private function __construct() { require config('predis')['include_path']; $config = array( 'host' => config("predis")['host'],//IP 'port' => config('predis')['port'], //端口 'database' => config('predis')['database'], //此处的密码必须设置 //redis设置密码 config set requirepass 123456 'password' => config('predis')['password'] //密码 ); self::$instance = new \Predis\Client($config); } //防止被克隆 private function __clone(){} static function getInstance() { if(empty(self::$instance) || !isset(self::$instance)) { $obj = new self(); } return self::$instance; }}调用实行