Furthermore, this paper put forward the framework of the expert system and the approach to implement the design above. At last the prototype has been realized with the RAD tools(Borland Delphi6.0 and SQL Server2000) and passed the software test.

• 以Borland Delphi6.；0和SQL Server 2000为开发工具；应用面向对象的程序设计方法；开发了本系统的原型；最后通过案例测试验证了系统有效性。