关于数据流程图画法原则的研究

摘要

Data flow diagram is an important tool in the development of information system to link developers with users. But there is no uniform standard as to how to draw the flow chart of data. This paper puts forward 8 important principles to draw good data flow diagram. In accordance with these principles, the data flow diagram can be easily drawn.%数据流程图是信息系统开发中的重要工具,利用它可以沟通开发者与使用者的思想.但如何画好数据流程图,目前并没有统一的标准.提出了画好数据流程图的8条重要原则,遵照这些原则,使数据流程图的编制者能更容易地画出正确的数据流程图,更准确地描述出一个信息系统的开发思路.