临时表在系统开发中的应用

Application of cursor to area of system development

为提高系统开发的质量和效率,以VFP6.0为开发工具,采用结构化程序设计原理,对临时表在系统开发中的应用进行了深入探讨,并以建筑工程预算管理系统为例,介绍了临时表的类型和创建方法以及物理表、临时表和数组之间进行数据交换的方法,总结了临时表在数据测览、作为控件的数据源、报表输出、防止数据重复输入、数据复制和多表快速查询等方面应用的实现方法,得出了临时表具有节省存储空间和处理数据速度快的结论,对系统开发具有一定的实用价值。

Based on the principle of structural program design, the paper applies VFP6.0 to probe into the utilization of cursor in system development in order to improve the quality and efficiency of development. Taking the system of constructional engineering budget management as an example, it introduces the types of cursor and the way of cursor creation. It introduces how to use cursor in data browse, report output, data copy, multi-table fast query and as the data source of control unit. The method has the advantage of fast in data controlling and space saving, which is valuable to system development.