使用事务模板，进行事务管理
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[size=12px]TransactionDefinition transactionDefinition = new DefaultTransactionAttribute(TransactionDefinition.PROPAGATION_REQUIRED);[/size]
[size=12px]new TransactionTemplate(transactionManager, transactionDefinition).execute(new TransactionCallback()[/size]
[size=12px]{[/size]
[size=12px] @Override[/size]
[size=12px] public Object doInTransaction(TransactionStatus status)[/size]
[size=12px] {[/size]
[size=12px] // ... execute transactional code ...[/size]
[size=12px] return null;[/size]
[size=12px] }[/size]
[size=12px]});[/size]
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[size=12px][font=monospace]TransactionDefinition.PROPAGATION_REQUIRED： 已经在事务中，则参与，否则另起一个事务[/font][/size]
[size=12px][font=monospace]transactionManager：[/font][font=monospace]org.springframework.transaction.PlatformTransactionManager 可以从容器中，得到[/font][/size]
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