The philosophy behind this is that , since system documentation changes often , less emphasis should be placed on the time - consuming tasks of designing and writing test cases based on that documentation 在此之后隐藏的基本原理是，由于系统文档经常改变，不应当将重点放在设计和编写基于文档的测试用例这些耗时的任务上。
This paper describes the designed and realized daqing petroleum administraive bureau oil field construction company office automation system ' s archetype and security measures of it in detail for information security and system security it has the different degree security mechwhsms from the grades of net , server , dataase , table shee and visual chart to grades of archive and local net the combination of the above secwtty controls can form an entir suit of security control thegy we have realized the control of documens delivering and receiving , electronic sea1s and documellt ' s conunot safely in this system 针对信息安全和系统安全问题，本文详细阐述了大庆石油管理局油建公司办公自动化系统文档数据库设计实现的原型及其的安全措施。从网络级、服务器级、数据库级、表单、视图级、一直到文档级、域级，都不同程度上设计了安全控制，从而形成一整套安全控制机制。系统具体实现了文件发送与文件接收的安全性控制、电子印章安全性控制、文件批办的安全控制等安全功能。
