sort.java

用java实现了一个学籍管理系统

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * sort.java
 *
 * Created on 2009-4-1, 21:24:42
 */

package stuinfomanage;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author Administrator
 */
public class sort extends javax.swing.JFrame {

    /** Creates new form sort */
    public sort() {
        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.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jButton1 = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        jScrollPane1 = new javax.swing.JScrollPane();
        TA_sort = new javax.swing.JTextArea();
        jLabel2 = new javax.swing.JLabel();
        CB_sort = new javax.swing.JComboBox();
        jButton2 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jButton1.setText("排序");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                sort(evt);
            }
        });

        jLabel1.setText("成绩排序");

        TA_sort.setColumns(20);
        TA_sort.setEditable(false);
        TA_sort.setRows(5);
        jScrollPane1.setViewportView(TA_sort);

        jLabel2.setText("选择排序标准：");

        CB_sort.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Compiler", "Soft Engineering", " " }));

        jButton2.setText("退出");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                end(evt);
            }
        });

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                    .add(jLabel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 69, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 310, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING, false)
                        .add(org.jdesktop.layout.GroupLayout.LEADING, layout.createSequentialGroup()
                            .add(jLabel2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 100, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                            .addPreferredGap(org.jdesktop.layout.LayoutStyle.UNRELATED)
                            .add(CB_sort, 0, 0, Short.MAX_VALUE))
                        .add(org.jdesktop.layout.GroupLayout.LEADING, layout.createSequentialGroup()
                            .add(jButton1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 91, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                            .add(18, 18, 18)
                            .add(jButton2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 91, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))))
                .addContainerGap(22, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(jLabel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 25, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 116, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .add(6, 6, 6)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 23, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(CB_sort, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(18, 18, 18)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jButton1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 34, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jButton2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 34, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(19, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void end(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_end
        // TODO add your handling code here:
        this.setVisible(false);
    }//GEN-LAST:event_end

    private void sort(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_sort
        try {
            // TODO add your handling code here:
            int item = 0;
            String n = "";
            item = CB_sort.getSelectedIndex();
            if (item == 0) {
                n = "Compiler";
            } else if (item == 1) {
                n = "SoftEngineering";
            }
            TA_sort.setText("");
            ResultSet rs=null;
            DataOpera Data = new DataOpera();
            rs=Data.SortOp(n);
            while(rs.next())
            {
                String sort=rs.getString(1)+"\t"+rs.getString(2)+"\t"+rs.getString(3)+"\n";
                TA_sort.append(sort);
            }
        } catch (SQLException ex) {
            Logger.getLogger(sort.class.getName()).log(Level.SEVERE, null, ex);
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(sort.class.getName()).log(Level.SEVERE, null, ex);
        }
    }//GEN-LAST:event_sort

    /**
    * @param args the command line arguments
    */
  /*  public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new sort().setVisible(true);
            }
        });
    }*/

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JComboBox CB_sort;
    private javax.swing.JTextArea TA_sort;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JScrollPane jScrollPane1;
    // End of variables declaration//GEN-END:variables

}