It provides JPA EntityManager handling such that neither the JpaCallback implementation nor the calling code needs to explicitly care about retrieving/closing EntityManagers, or handling JPA lifecycle exceptions.

SPRING

SPRING 谢谢

帮你顶一个。。我的WEB编程网站，希望能够帮助大家学习WEB编程。希望大家给点意见。。。http://www.bcsalon.cn