本文介绍了所开发的一种基于多线程的文件传输系统，具有断点续传的功能，详细给出了这个系统的设计方案和所用到的关键技术。
This paper presents a document transmission system based on multi-threaded, with breakpoint Continuingly functions, the system is given in detail of the design of programs and the key technologies.
通过对智能卡结构详细的分析，提出针对一卡通系统的文件结构设计方案和文件访问权限控制策略，并对智能卡的安全问题进行了分析，提出了相应的解决思想。
Through the detailed analysis of the smart card architecture and safety, the article advance a valuable resolution for the smart card file architecture designing and file access control setting.
应用推荐