📄 ex915.txt
字号:
import javax.swing.*;
public class OptionDialog
{ public static void main(String args[])
{ Object[] MyButtons={new JButton("确定"),new JButton("取消")};
Object[] MyChoice={"红心","黑桃","方块","梅花"};
JFrame jf=new JFrame("使用JOptionPane对话框");
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jf.getContentPane().add(new JLabel("使用对话框Very Easy!!"));
jf.setBounds(0,0,250,100);
jf.setVisible(true);
JOptionPane.showOptionDialog(jf,"我是自定义对话框","我是标题字符串",
JOptionPane.DEFAULT_OPTION,JOptionPane.ERROR_MESSAGE,null,MyButtons,MyButtons[0]);
JOptionPane.showInputDialog(jf,"输入文本框","标题字符串在此",
JOptionPane.INFORMATION_MESSAGE,null,MyChoice,MyChoice[2]);
JOptionPane.showMessageDialog(jf,"你想知道什么信息呢?","知道我是谁了吧",
JOptionPane.WARNING_MESSAGE,null);
JOptionPane.showConfirmDialog(null,"快按确定吧","你学会了吗?",
JOptionPane.YES_NO_CANCEL_OPTION,JOptionPane.QUESTION_MESSAGE,null);
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -