?? show.java
字號:
package flight.manage;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.sql.*;
public class Show extends JPanel implements ActionListener
{
private JTextField jtf=new JTextField(10);
private JPasswordField password=new JPasswordField(10);
private JLabel label1=new JLabel("賬號");
private JLabel label2=new JLabel("密碼");
private JButton button=new JButton("查看");
private JTextArea area=new JTextArea();
private JScrollPane pan;
private Connection con;
private Statement stmt;
private ResultSet rs;
public Show()
{
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
}
catch(Exception ex)
{
}
pan=new JScrollPane(area);
JPanel p1=new JPanel();
p1.setBorder(new TitledBorder("輸入有效認證"));
p1.add(label1);
p1.add(jtf);
p1.add(label2);
p1.add(password);
JPanel p2=new JPanel();
p2.setBorder(new TitledBorder("操作"));
p2.add(button);
this.setLayout(new BorderLayout());
this.add(p1,BorderLayout.NORTH);
this.add(pan,BorderLayout.CENTER);
this.add(p2,BorderLayout.SOUTH);
button.addActionListener(this);
}
public void actionPerformed(ActionEvent e)
{
try
{
area.setText("");
if(!(jtf.getText().equals("0302")&&password.getText().equals("0302")))
JOptionPane.showMessageDialog(null,"賬好或密碼不對","錯誤",JOptionPane.ERROR_MESSAGE);
else
{con = DriverManager.getConnection("jdbc:odbc:dsStudent","sa","");
stmt = con.createStatement();
rs=stmt.executeQuery("select * from flight");
while(rs.next())
{
area.append(rs.getString(1));
area.append(rs.getString(2));
area.append(rs.getString(3));
area.append(rs.getString(4));
area.append(rs.getString(5));
area.append(rs.getString(6));
area.append(""+rs.getFloat(7)+" ");
area.append(""+rs.getFloat(8)+" ");
area.append(""+rs.getFloat(9)+" ");
area.append(""+rs.getFloat(10)+" ");
area.append(""+rs.getInt(11)+" ");
area.append(rs.getString(12));
area.append(rs.getString(13)+"\n");
}}}
catch(Exception ex)
{
}
}
public static void main(String[] args)
{
try
{
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch(Exception ex)
{
}
JFrame frame=new JFrame();
frame.getContentPane().add(new Show());
frame.setSize(500,450);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}
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