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                # 事務操作 事務操作的傳參說明,分為以下兩種傳參情況 | 參數類型 | 參數說明 | | --- | --- | | string或array | 值為connectionName,代表當前協程下連接名相符的mysql鏈接執行事務 | | ClientInterface | 在invoke閉包中直接傳入client,代表直接操作指定客戶端 | 返回說明:bool 開啟成功則返回true,開啟失敗則返回false ## 開啟事務 ~~~php DbManager::getInstance()->startTransaction($connectionNames = 'default'); ~~~ ## 提交事務 ~~~php DbManager::getInstance()->commit($connectName = null); ~~~ ## 回滾事務 ~~~php DbManager::getInstance()->rollback(); ~~~ ## 事務用例1 ~~~php $user = UserModel::create()->get(4); $user->age = 4; // 開啟事務 $strat = DbManager::getInstance()->startTransaction(); // 更新操作 $res = $user->update(); // 直接回滾 測試 $rollback = DbManager::getInstance()->rollback(); // 返回false 因為連接已經回滾。事務關閉。 $commit = DbManager::getInstance()->commit(); var_dump($commit); ~~~ ## 事務用例2 ~~~php $user = DbManager::getInstance()->invoke(function ($client){ // 使用事務方式 具體說明查看文檔 http://www.easyswoole.com/Cn/Components/Orm/transactionOperations.html DbManager::getInstance()->startTransaction($client); $testUserModel = Model::invoke($client); $testUserModel->state = 1; $testUserModel->name = 'Siam'; $testUserModel->age = 18; $testUserModel->addTime = date('Y-m-d H:i:s'); $data = $testUserModel->save(); DbManager::getInstance()->commit($client); return $data; }); var_dump($user); ~~~
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