檐芾の秂

1.数据库结构 article: id、title、content ... article_attachment: article_id、attachment_id attachment: id、name、src ... 2.代码结构 article.java: public class Article implements Serializable{ ... private Se...

错误代码： org.hibernate.LazyInitializationException:failed to lazily initialize a collection of role:*.Class.property,no session or session was closed 错误原因： 在hibernate的映射关系中由于延迟加载，之前的操作使session已经关闭，所以加...