随着计算机技术的发展,在计算机上处理业务已由基于单机的数学运算、文件处理,基于简单连结的内部网络的内部业务处理、办公自动化等发展到基于企业復杂的内部网、企业外部网、全球互联网的企业级计算机处理系统和世界范围内的信息共享和业务处理。 With the development of computer technology, the processing business on the computer has been developed from single machine-based math, file processing, internal business processing based on simple internal network, office automation and so on to intranet, enterprise extranet , The global Internet enterprise-class computer processing system and world-wide information sharing and business processes.