addstudent.java

管理系统实现的源代码,

/*
 * addStudent.java
 *
 * Created on 2008年12月5日, 下午6:08
 */
package 学生成绩管理系统;

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

/**
 *
 * @author  Administrator
 */
public class addStudent extends javax.swing.JDialog {

    private ResultSet rs;

    /** Creates new form addStudent */
    public addStudent(java.awt.Frame parent, boolean modal) {
        super(parent, modal);
        initComponents();
    }

    addStudent() {
        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() {

        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        a1 = new javax.swing.JTextField();
        a2 = new javax.swing.JTextField();
        a3 = new javax.swing.JTextField();
        jLabel4 = new javax.swing.JLabel();
        a4 = new javax.swing.JTextField();
        jLabel5 = new javax.swing.JLabel();
        a5 = new javax.swing.JTextField();
        jLabel6 = new javax.swing.JLabel();
        a6 = new javax.swing.JTextField();
        ok = new javax.swing.JButton();
        cancell = new javax.swing.JButton();
        jLabel7 = new javax.swing.JLabel();
        a7 = new javax.swing.JTextField();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setTitle("增加学生信息");

        jLabel1.setText("班级");

        jLabel2.setText("姓名");

        jLabel3.setText("学号");

        jLabel4.setText("语文");

        jLabel5.setText("数学");

        jLabel6.setText("英语");

        ok.setText("确定");
        ok.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                okActionPerformed(evt);
            }
        });

        cancell.setText("取消");
        cancell.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cancellActionPerformed(evt);
            }
        });

        jLabel7.setText("id");

        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(28, Short.MAX_VALUE)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                    .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
                        .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                            .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
                                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
                                    .add(jLabel5)
                                    .add(jLabel6)
                                    .add(jLabel4)
                                    .add(org.jdesktop.layout.GroupLayout.LEADING, jLabel7))
                                .addPreferredGap(org.jdesktop.layout.LayoutStyle.UNRELATED))
                            .add(org.jdesktop.layout.GroupLayout.TRAILING, jLabel2)
                            .add(org.jdesktop.layout.GroupLayout.TRAILING, jLabel1)
                            .add(org.jdesktop.layout.GroupLayout.TRAILING, jLabel3))
                        .add(30, 30, 30)
                        .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
                            .add(a7)
                            .add(a6)
                            .add(org.jdesktop.layout.GroupLayout.TRAILING, a2)
                            .add(org.jdesktop.layout.GroupLayout.TRAILING, a3)
                            .add(a1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 80, Short.MAX_VALUE)
                            .add(a4)
                            .add(a5))
                        .add(241, 241, 241))
                    .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
                        .add(ok)
                        .add(56, 56, 56)
                        .add(cancell)
                        .add(165, 165, 165))))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(44, 44, 44)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel1)
                    .add(a1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(a2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jLabel2))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(a3, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jLabel3))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
                    .add(a4, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jLabel4))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel5)
                    .add(a5, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.UNRELATED)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel6)
                    .add(a6, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel7)
                    .add(a7, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(cancell)
                    .add(ok))
                .add(47, 47, 47))
        );

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

    void clearText() {
        a1.setText("");
        a2.setText("");
        a3.setText("");
        a4.setText("");
        a5.setText("");
        a6.setText("");
        a7.setText("");
    }//end clearText

private void cancellActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cancellActionPerformed
// TODO add your handling code here:
     System.exit(0);
}//GEN-LAST:event_cancellActionPerformed

private void okActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_okActionPerformed
// TODO add your handling code here:

    try {
        DBM db = new DBM();
        if (a1.getText().length() == 0 || a2.getText().length() == 0 || a3.getText().length() == 0 || a4.getText().length() == 0 || a5.getText().length() == 0) {
            JOptionPane.showMessageDialog(null, "字段输入不能有空值", "警告",
                    JOptionPane.WARNING_MESSAGE);
        } else {
            String sql0 = "insert into student(学号,班级,姓名,id) values('" + a3.getText() + "','" + a1.getText() + "','" + a2.getText() + "','" + Integer.parseInt(a7.getText()) + "')";
            String sql1 = "insert into course(id,班级,语文,数学,英语) values("+Integer.parseInt(a7.getText()) + ",'" + a1.getText() + "'," + Integer.parseInt(a4.getText()) + "," + Integer.parseInt(a5.getText()) + "," + Integer.parseInt(a6.getText()) + ")";
            db.executeSql(sql0);
            db.executeSql(sql1);
            JOptionPane.showMessageDialog(null, "增加学生信息成功！", "OK",
                    JOptionPane.WARNING_MESSAGE);
            clearText();
            db.close();
            System.exit(1);
}//GEN-LAST:event_okActionPerformed
        } catch (SQLException exc) {
            exc.printStackTrace();
            System.exit(1);
        }
    }

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

            public void run() {
                addStudent dialog = new addStudent(new javax.swing.JFrame(), true);
                dialog.addWindowListener(new java.awt.event.WindowAdapter() {

                    public void windowClosing(java.awt.event.WindowEvent e) {
                        System.exit(0);
                    }
                });
                dialog.setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JTextField a1;
    private javax.swing.JTextField a2;
    private javax.swing.JTextField a3;
    private javax.swing.JTextField a4;
    private javax.swing.JTextField a5;
    private javax.swing.JTextField a6;
    private javax.swing.JTextField a7;
    private javax.swing.JButton cancell;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JLabel jLabel7;
    private javax.swing.JButton ok;
    // End of variables declaration//GEN-END:variables
}