JPA高级篇,2个子目录包含原文中相关章节所有源码，每个子目录包含一个build.xml文件，一个src目录包含源码和persistence.xml文件。-This code illustrates the second article about JPA. You will find 2 sub-directories that contain the code that changes throughout the article. In each sub-directory yo

网络数据库中的一个作业，关于网上购物单的XML原文档，xslt，schema-A job in the network database, online shopping list on the original XML document, xslt, schema