VB employs many language commands to access the Database in order to meet the demands of reading, writing and saving the data obtained in this system. Moreover, the function of printing is achieved by using the Excel.

• 利用VB对数据库的编程技术实现了系统对数据库的各种操作。 由于VB的报表功能较弱不能满足系统对报表功能的要求，所以采用了用VB调用EXCEL电子表格的技术，完成了各种报表的预览和打印功能。