connectdb.java

200多个自己编的java程序,大家可以学一下.

import java.sql.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

class ConnecDB
{

	public static void main(String[] args) {
		
		JFrame myframe=new ConncetFrame();
		myframe.show();
	}
	
	
}

class ConnectFrame extends JFrame implements ActionListener{
	private Connection con = null;
	private Statement stmt = null;
	private JTextField url = new JTextField(10);
	private JTextField driver = new JTextField(10);
	private JTextField usename = new JTextField(10);
	private JTextField password = new JTextField(10);
	private JTextArea resultarea = new JTextArea(6,30);
	private JButton submit = new JButton("submit");
	private JLabel statelabel = new JLabel("state",SwingConstants.LEFT);
	private JLabel urllabel = new JLabel("url",SwingConstants.LEFT);
	private JLabel driverlabel = new JLabel("driver",SwingConstants.LEFT);
	private JLabel userlabel = new JLabel("user",SwingConstants.LEFT);
	private JLabel pwdlabel = new JLabel("pwd",SwingConstants.LEFT);
	
	
	public ConnectFrame()
	{
		setTitle("the DB link");
		setSize(420,300);
		addWindowListener(new WindowAdapter()
		{
			public void windowClosing(WindowEvent e)
			{
				System.exit(0);
			}
		}
		);
		
		resultarea.setEditable(false);
		resultarea.setLineWrap(true);//auto LineWap
		Container c=getContentPane();
		c.setLayout(null);
		urllabel.setBounds(10,10,60,22);
		c.add(url);
		url.setBounds(80,10,240,22);
		c.add(driverlabel);
		driverlabel.setBounds(80,10,60,22);
		c.add(driver);
		driver.setBounds(80,40,240,22);
		c.add(userlabel);
		userlabel.setBounds(10,70,60,22);
		
		
	
	}
	
        public void actionPerformed(ActionEvent e) {
        }        
	
}