基于J2EE框架的在线考试系统:针对现有在线考试系统存在通用性不强的问题.研究并实现了基于J2EE轻量级框架的出题不受题型限制、能适合多科目考试的通用考试系统-Based on the J2EE fr a mework of the online examination system: for the existing online examination system is not a common problem is not strong research and implementati