Access使用宏控制程序
宏是指一个或多个操作的集合，其中每个操作实现特定的功能，例如打开某个窗体或打印某个报表。宏可以使某些普通的任务自动完成。例如，可设置某个宏，在用户单击某个命令按钮时运行该宏，以打开某个窗体。 宏可以是包含操作序列的一个宏，也可以是某个宏组，使用条件表达式可以决定在某些情况下运行宏时，某个操作是否进行。
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