小智 6
EntityManagerFactory emf = Persistence.createEntityManagerFactory("TDEMSPU");
em = emf.createEntityManager();
em.getTransaction().begin();
List<Enquiry> tempEnqList = tempEnqList();
for (Iterator<Enquiry> it = tempEnqList.iterator(); it.hasNext();) {
Enquiry enquiry = it.next();
em.persist(enquiry);
em.flush();
em.clear();
}
em.getTransaction().commit();
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只需迭代它并一项一项地持久化即可
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