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<?php |
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// +---------------------------------------------------------------------- |
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// | ThinkPHP [ WE CAN DO IT JUST THINK ] |
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// +---------------------------------------------------------------------- |
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// | Copyright (c) 2006~2019 http://thinkphp.cn All rights reserved. |
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// +---------------------------------------------------------------------- |
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) |
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// +---------------------------------------------------------------------- |
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// | Author: liu21st <[email protected]> |
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// +---------------------------------------------------------------------- |
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declare (strict_types = 1); |
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namespace think; |
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/** |
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* 数据库管理类 |
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* @package think |
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*/ |
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class Db extends DbManager |
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{ |
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/** |
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* @param Event $event |
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* @param Config $config |
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* @param Log $log |
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* @param Cache $cache |
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* @return Db |
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* @codeCoverageIgnore |
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*/ |
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public static function __make(Event $event, Config $config, Log $log, Cache $cache) |
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{ |
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$db = new static(); |
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$db->setConfig($config); |
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$db->setEvent($event); |
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$db->setLog($log); |
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$db->setCache($cache); |
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$db->triggerSql(); |
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return $db; |
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} |
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/** |
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* 注入模型对象 |
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* @access public |
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* @return void |
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*/ |
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protected function modelMaker() |
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{ |
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} |
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/** |
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* 设置配置对象 |
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* @access public |
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* @param Config $config 配置对象 |
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* @return void |
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*/ |
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public function setConfig($config): void |
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{ |
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$this->config = $config; |
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} |
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/** |
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* 获取配置参数 |
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* @access public |
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* @param string $name 配置参数 |
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* @param mixed $default 默认值 |
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* @return mixed |
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*/ |
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public function getConfig(string $name = '', $default = null) |
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{ |
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if ('' !== $name) { |
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return $this->config->get('database.' . $name, $default); |
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} |
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return $this->config->get('database', []); |
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} |
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/** |
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* 设置Event对象 |
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* @param Event $event |
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*/ |
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public function setEvent(Event $event): void |
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{ |
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$this->event = $event; |
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} |
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/** |
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* 注册回调方法 |
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* @access public |
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* @param string $event 事件名 |
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* @param callable $callback 回调方法 |
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* @return void |
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*/ |
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public function event(string $event, callable $callback): void |
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{ |
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if ($this->event) { |
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$this->event->listen('db.' . $event, $callback); |
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} |
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} |
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/** |
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* 触发事件 |
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* @access public |
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* @param string $event 事件名 |
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* @param mixed $params 传入参数 |
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* @param bool $once |
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* @return mixed |
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*/ |
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public function trigger(string $event, $params = null, bool $once = false) |
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{ |
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if ($this->event) { |
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return $this->event->trigger('db.' . $event, $params, $once); |
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} |
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} |
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} |
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