public XXX call() throws Exception {
DefaultTransactionDefinition def = new DefaultTransactionDefinition();
def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);// 事物隔离级别，开启新事务
TransactionStatus status = txManager.getTransaction(def); // 获得事务状态
//
txManager.commit(status);
} catch (Exception e) {
e.printStackTrace();
txManager.rollback(status);
}
return XXX;
}
