java 将动作侦听器添加到 netbeans 中的按钮
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时间:2020-10-31 21:10:23 来源:igfitidea点击:
adding action listener to a button in netbeans
提问by Hitesh
How to add an action listener to a button in netbeans
如何将动作侦听器添加到 netbeans 中的按钮
I tried to do that, but I don't know how
我试图这样做,但我不知道如何
button.addactionlistener(null);
回答by Abdelrahman Wahdan
First you need to implement action listener in your class.
首先,您需要在类中实现动作侦听器。
public class YourProject extends JFrame implements ActionListener{
yourbutton.addActionListener(this);
The you need to add the override method.
您需要添加覆盖方法。
I hope this helps you.
我希望这可以帮助你。
回答by Hitesh
YOu can also add by another way
你也可以通过其他方式添加
JButton jb= new JButton("ok");
jb.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent ae)
{System.out.println("You have clicked ok button");
}
});