对事务回退操作采用抽象操作符记录动作的执行顺序，通过动作的逆操作实现事务的回退操作。

For rollback transaction using abstract operating sings record the executive sequence, adopting the contrary execution realizes the rollback transaction.

youdao

对事务回退操作采用抽象操作符记录动作的执行顺序，通过动作的逆操作实现事务的回退操作。

For rollback transaction using abstract operating sings record the executive sequence, adopting the contrary execution realizes the rollback transaction.

youdao