制作一个简单的Java OptionPane计数器 [英] Make a simple Java OptionPane Counter
问题描述
我基本上只想制作一个JOptionPane窗口,该窗口顶部有一个数字,并且如果我按这些按钮之一,则有2个按钮 +1和 -1,上面的数字应该减少或增加1。如果有人可以帮助我发布代码或向我解释如何做,那就非常好。谢谢
Hi I basically just want to make a JOptionPane window which has a number on top and 2 Buttons "+1" and "-1" if i press one of these Buttons the Number above should Decrease or Increase by 1. It would be very nice if someone could help me with posting a code or explaining how to make it to me. Thanks
推荐答案
我将创建一个包含3个组件,一个JLabel和两个JButton的简单JDialog。将ActionListeners添加到每个按钮以加1或减1。
I would just create a simple JDialog with 3 components, a JLabel and two JButtons. Add ActionListeners to each of the buttons to either add 1 or subtract one.
首先阅读 Swing教程。也许有关如何使用按钮
和如何使用布局管理器
的部分。
Start by reading the Swing tutorial. Maybe the section on How to Use Buttons
and How to Use Layout Managers
.
如果遇到问题,请发布 SSCCE ,其中显示了您的操作。
If you have problems then post your SSCCE that shows what you have done.
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