PlayFramework 1.2.3 中 过程中提交jpa 的跟新数据到DB

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调用一下函数即可：

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public static void jpaStepCommit(){if(JPA.isInsideTransaction()){try {JPA.em().getTransaction().commit();} catch (Exception ex) {JPA.em().getTransaction().rollback();throw convertRuntimeException(ex);}JPA.em().getTransaction().begin();}}