The class of cmydoc is in charge of data computing and managing which are invisible to users , while the cmyview constructs the main window , displays the input / output dialogue box and cites of all other classes 文档类履行数据计算和管理职责，隐藏在系统内部，不对用户开放；视图类负责整个计算程序的主窗口、输入输出对话框的显示和所有类的引用。
Based the method of visual c + + and oo program , laser marking interface is built , and file edit module and imitate module are encapsulated into the document class and view class respectivily , operation buttons are designed in the toolbar 基于visualc + +的面相对象编程方法，搭建激光打标界面，将文件编辑模块和仿真模块分别封装在文档类和视图类中，并在工具栏中加入操作按钮。
Finally , we present the design and realization of the text - view - class of the cbt courseware browser , the circulate mechanism of the cbt development platform , and a student model based on fuzzy measure and delay computation technique 随后,给出了机务cbt课件浏览器文本视图类的设计与实现方案,机务cbt开发平台的运行机制,以及一个基于模糊测度、采用延迟计算技术的学生模型的实现。
Ezseek and ezreport introduce some techniques , such as general data querying , and ole automation to process data and make reports . these software tools are constructed on the document / view architecture , which can display data trend in three views Ezseek和ezreport中采用了通用数据访问，以及ole自动化技术，利用microsoftexcel完成报表和数据的处理，并在界面上采用了mfc的文档视图类，利用三个视图显示数据。
