building-sign/app/service/Redis.php

35 lines
720 B
PHP
Executable File

<?php
namespace app\service;
use app\exception\ServiceException;
use think\facade\Log;
class Redis
{
private static $redis = null;
private function __construct()
{
}
private function __clone()
{
}
// Redis 单例模式
public static function instance(): ?\Redis
{
if (self::$redis == null) {
try {
$redis = new \Redis();
$redis->connect(env('redis.host'), env('redis.port'));
self::$redis = $redis;
} catch (ServiceException $e) {
Log::error('实例化Redis失败: ' . $e->getMessage());
return null;
}
}
return self::$redis;
}
}