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<?php |
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namespace suda\framework\cache; |
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use Redis; |
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use suda\framework\Cache; |
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/** |
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* Class RedisCache |
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* @package suda\framework\cache |
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*/ |
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class RedisCache implements Cache |
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{ |
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/** |
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* @var array |
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*/ |
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protected $config; |
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/** |
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* @var Redis |
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*/ |
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protected $redis; |
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/** |
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* @var string |
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*/ |
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protected $prefix; |
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/** |
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* RedisCache constructor. |
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* @param array $config |
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*/ |
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public function __construct(array $config = []) |
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{ |
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$this->config = $config; |
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$this->prefix = $config['prefix'] ?? 'suda_cache:'; |
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$this->redis = new Redis(); |
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$this->connect($config); |
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$this->redis->setOption(Redis::OPT_PREFIX, $this->prefix); |
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$this->redis->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_PHP); |
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} |
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/** |
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* @param array $config |
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* @return bool |
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*/ |
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private function connect(array $config) { |
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$host = $config['host'] ?? '127.0.0.1'; |
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$port = $config['port'] ?? 6379; |
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$timeout = floatval($config['timeout'] ?? 0.0); |
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$connect = $this->redis->pconnect($host, $port, $timeout); |
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if ($connect && array_key_exists('password', $config)) { |
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return $this->redis->auth($config['password']); |
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} |
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return $connect; |
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} |
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/** |
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* 设置 Cache |
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* |
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* @param string $name |
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* @param mixed $value |
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* @param int $expire |
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* @return bool |
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*/ |
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public function set(string $name, $value, int $expire = null): bool |
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{ |
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if (is_integer($expire) && $expire > 0) { |
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return $this->redis->set($name, $value, $expire); |
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} |
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return $this->redis->set($name, $value); |
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} |
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/** |
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* 获取Cache |
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* |
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* @param string $name |
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* @param mixed $default |
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* @return mixed |
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*/ |
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public function get(string $name, $default = null) |
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{ |
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if ($this->has($name)) { |
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return $this->redis->get($name); |
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} |
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return $default; |
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} |
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/** |
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* 删除一个或者全部Cache数据 |
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* |
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* @param string|null $name |
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* @return bool |
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*/ |
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public function delete(?string $name = null): bool |
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{ |
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if (is_null($name)) { |
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$this->clear(); |
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} |
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return $this->redis->del($name) > 0; |
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} |
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/** |
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* 检测是否存在Cache |
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* |
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* @param string $name |
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* @return boolean |
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*/ |
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public function has(string $name): bool |
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{ |
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return $this->redis->exists($name) > 0; |
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} |
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/** |
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* 清除 Cache |
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* |
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* @return boolean |
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*/ |
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public function clear(): bool |
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{ |
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$keys = $this->redis->keys('*'); |
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return $this->redis->del($keys) > 0; |
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} |
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public function __destruct() |
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{ |
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$this->redis->close(); |
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} |
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} |
dxkite /
suda
