j_fir_name.java

单机黑白棋显示

//用户名填写窗口类
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class J_FIR_Name extends JFrame
{
	private String EXIT_NAME = "_EXIT_EXIT_";
	public final int[] u_Choice = {-1};
	public final String[] u_Name = { EXIT_NAME };

	public J_FIR_Name()
	{
		super("用户信息");
		Container c = getContentPane();
		c.setLayout(null);
		
		
		JLabel[] m_Label = { new JLabel("请输入您的用户名："),new JLabel("") };
		final JTextField[] t = { new JTextField("",10),new JTextField("") }; 
		
		int i;
		
		t[0].setEditable(true);
		
		JButton[] b = { new JButton("确定"),new JButton("取消") };
		
		c.add(m_Label[0]);
		m_Label[0].setBounds(new Rectangle(75,40,120,30)); 
		c.add(t[0]);
		t[0].setBounds(new Rectangle(200,40,100,30));
		c.add(b[0]);
		b[0].setBounds(new Rectangle(110,100,60,30));
		c.add(b[1]);
		b[1].setBounds(new Rectangle(200,100,60,30));
		
		b[0].addActionListener(new ActionListener()
			{
				public void actionPerformed(ActionEvent e)
				{
					u_Name[0] = t[0].getText();
					if (u_Name[0].equals("")) t[0].setText("请输入用户名！"); else	u_Choice[0] = 1;					
				}
			}
		);
		
		b[1].addActionListener(new ActionListener()
			{
				public void actionPerformed(ActionEvent e)
				{			
					u_Choice[0] = -2;					
				}
			}
		);
		
		
	}
}