BlogJava-大音希声、大象无形-文章分类-业务逻辑层http://www.blogjava.net/guitarpoet/category/8683.htmlJava企业级应用软件开发探讨zh-cnTue, 27 Feb 2007 14:27:48 GMTTue, 27 Feb 2007 14:27:48 GMT60