stuexit.java

学生成绩管理系统

/*
 * Stuexit.java
 *
 * Created on 2007年11月17日, 上午10:20
 */

package javaapplication1;

import java.sql.SQLException;
import java.sql.Statement;
import javax.swing.JOptionPane;

/**
 *
 * @author  mis05
 */
public class Stuexit extends javax.swing.JPanel {
    
    /** Creates new form Stuexit */
    public Stuexit() {
        initComponents();
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
    private void initComponents() {
        jButton1 = new javax.swing.JButton();

        jButton1.setText("\u9000\u51fa\u6b64\u7cfb\u7edf");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                exit(evt);
            }
        });

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(139, 139, 139)
                .add(jButton1)
                .addContainerGap(168, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
                .addContainerGap(186, Short.MAX_VALUE)
                .add(jButton1)
                .add(91, 91, 91))
        );
    }// </editor-fold>//GEN-END:initComponents

    private void exit(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exit
     Statement sql;

        try{
            Conect conect = new Conect();
            sql = conect.dbConn.createStatement();
            int reg;
            reg = sql.executeUpdate("UPDATE 学生 SET 登录 = 0 WHERE 登录 = 1");
            
            System.exit(1);
            
            

}
catch(SQLException sqlException){
        JOptionPane.showMessageDialog(null,sqlException.getMessage(),"Database Error",JOptionPane.ERROR_MESSAGE);
        System.exit(1);}
catch(ClassNotFoundException classNotFound){
       JOptionPane.showMessageDialog(null,classNotFound.getMessage(),"Driver Not Found",JOptionPane.ERROR_MESSAGE);
        System.exit(1); }// TODO add your handling code here:
    }//GEN-LAST:event_exit

    
public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Stuexit().setVisible(true);
            }
        });
    }
    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    // End of variables declaration//GEN-END:variables

    private boolean ture;


    
}