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Access入门教程15.2为什么要用宏

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Jun 07, 2016 pm 04:02 PM

accessWhyexampleGetting Started TutorialWant to use

先看个例子有这样一个窗体上面有一个数据表现在在这个数据表中添加一个功能用一个文本框输入要查询的内容而用一个查询按钮来完成查询的工作并将查询后的数据打印在报表上在窗体那一课里讲的命令按钮向导就能实现这个功能但对于每个控件来说要实现

先看个例子有这样一个窗体上面有一个数据表现在在这个数据表中添加一个功能用一个文本框输入要查询的内容而用一个查询按钮来完成查询的工作并将查询后的数据打印在报表上

在窗体那一课里讲的命令按钮向导就能实现这个功能但对于每个控件来说要实现相应的功能光凭借向导是远远不够的

要让这些控件实现一定的功用在ACCESS中有四种办法当然最简单的就是使用控件向导了除此之外还有宏VBA和SQL语言使用这些方法可以使控件完成几乎所有的数据库操作而这其中向导最简单但实现的功能有限而宏虽然只有种基本操作但可以组合成很多种宏组命令这样就能实现很多ACCESS中有关窗体报表查询的功能使用起来也非常方便而VBA和SQL语言相对起来对用户的要求也要高一些当然VBA和SQL语言可以实现的功能也更加全面自主性也更强但它们都要写程序对于很多普通的用户他们不要求会得太多只要能完成手上的工作就可以了所以这时使用宏就是他们最好的选择了

使用宏非常方便不需要记住各种语法也不需要编程只需利用几个简单宏操作就可以对数据库完成一系列的操作中间过程完全是自动的

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