本阶段，你将学到：JDBC的运用及封装处理精通Servlet及JSP的各种概念TagLib及JSTLMVC在WEB中的应用apache-commons工具库的使用Junit单元测试工具的使用Lucene搜索引擎的使用各种设计模式的应用-This stage, you will learn: the use of JDBC and packaging processing proficient in a variety of concepts of Servlet and JSP TagLib and JSTLMVC, the use of the application of the apache-commons tool library use Junit unit test tool in the WEB Lucene search engine using a variety ofthe application of design patterns