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