120 lines
2.7 KiB
PHP
Executable File
120 lines
2.7 KiB
PHP
Executable File
<?php
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namespace App\Service\common;
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use Illuminate\Support\Facades\Redis;
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class RedisService
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{
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private static mixed $_instance;
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private $prefix = 'default';
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private $redis;
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/**
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* 获取实例
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* @return null|static
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*/
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public static function getInstance(): null|static
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{
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$name = get_called_class();
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if (!isset(self::$_instance[$name])) {
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self::$_instance[$name] = new static();
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}
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return self::$_instance[$name];
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}
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/**
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* 初始化
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* @param string $prefix
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* @return RedisService
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*/
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public function init(string $prefix = 'default'): static
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{
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$this->redis = Redis::class;
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$this->prefix = $prefix;
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return $this;
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}
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/**
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* 设置缓存
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* @param $key
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* @param $value
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* @param int $expire
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* @return true
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*/
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public function set($key, $value, int $expire = 0): true
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{
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$this->redis::set($this->prefix . $key, $value);
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if ($expire > 0) {
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$this->redis::expire($this->prefix . $key, $expire);
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}
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return true;
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}
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/**
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* 累加
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* @param $key
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* @param int $value
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* @param int $expire
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* @return true
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*/
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public function incr($key, int $value = 1, int $expire = 0): true
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{
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$this->redis::incr($this->prefix . $key, $value);
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if ($expire > 0) {
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$this->redis::expire($this->prefix . $key, $expire);
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}
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return true;
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}
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/**
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* 获取缓存
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*
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* @param $key
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* @return mixed
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*/
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public function get($key): mixed
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{
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return $this->redis::get($this->prefix . $key);
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}
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/**
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* 删除缓存
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* @param $key
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* @return bool
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*/
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public function del($key): bool
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{
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return $this->redis::del($this->prefix . $key);
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}
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/**
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* 清空当前前缀下的全部键
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*
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* 菜单这类按角色分片缓存的数据，改了菜单树要一次性失效所有角色的副本。
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* KEYS 的返回值带着 redis 客户端自身的 prefix，直接回传给 del 会二次拼前缀，所以要先剥掉。
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* @return int 删除的键数量
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*/
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public function delAll(): int
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{
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$keys = $this->redis::keys($this->prefix . '*');
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if (empty($keys)) {
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return 0;
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}
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$clientPrefix = (string) config('database.redis.options.prefix');
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$count = 0;
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foreach ($keys as $key) {
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if ($clientPrefix !== '' && str_starts_with($key, $clientPrefix)) {
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$key = substr($key, strlen($clientPrefix));
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}
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$this->redis::del($key);
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$count++;
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}
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return $count;
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}
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}
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