math_dialog.java

Genetic Programming。GP算法在方程逼近求解上的应用。

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
public class Math_Dialog extends JDialog implements ActionListener{
	public JPanel p1=new JPanel();
	public JPanel p2=new JPanel();
	public JPanel p3=new JPanel();
	public JButton b1=new JButton("确定");
	public JButton b2=new JButton("取消");
	public JTextField f1=new JTextField();
	public JLabel l1=new JLabel("请输入阶数：");
	
	public int exp=4;
	
	public Math_Dialog()
	{
		Container c=this.getContentPane();
		c.setLayout(new GridLayout(2,1));
		p1.setLayout(new GridLayout(1,2));
		p2.setLayout(new GridLayout(1,2));
		p1.add(l1);
		p1.add(f1);
		p2.add(b1);
		p2.add(b2);
		c.add(p1);
		c.add(p2);
		this.setModal(true);
		
		this.setSize(200,100);
		this.setLocation(200,200);
		b1.addActionListener(this);
		b2.addActionListener(this);
		
		
		
		}
	
	
	public void actionPerformed(ActionEvent e)
	{
		
		if(e.getSource()==b1)
		{
			try{
			int temp=Integer.parseInt(f1.getText());
			exp=temp;
			this.hide();
			this.validate();
		}catch(Exception ex)
		{
		 JOptionPane.showMessageDialog(this,"输入参数不合法，请重新输入!");
			
			}
			
			
			}
		else if(e.getSource()==b2)
		{
			this.hide();
			this.validate();
			
			}
		
		
		
		
		
		
		
		}
	
	
	
	
	
	
	}