介绍了当今最流行的面向对象的程序设计方法，讨论了这种方法应用在面元法计算中的优点，并详细介绍了该如何用图形用户界面去开发面向对象的面元法程序。(It introduces the object-oriented method which is most popular by now, and discusses the advantage of this method using in the panel method and how to use the Graphical Users Int