/*
 * Stu3.java
 *
 * Created on 2007年11月24日, 上午9:21
 */

package javaapplication1;

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

/**
 *
 * @author  mis05
 */
public class Asstostudent3 extends javax.swing.JFrame {
    
    /** Creates new form Stu3 */
    public Asstostudent3() {
        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() {
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        jLabel6 = new javax.swing.JLabel();
        jLabel7 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jTextField2 = new javax.swing.JTextField();
        jTextField3 = new javax.swing.JTextField();
        jTextField4 = new javax.swing.JTextField();
        jTextField5 = new javax.swing.JTextField();
        jTextField6 = new javax.swing.JTextField();
        jTextField7 = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        jLabel1.setText("\u5b66\u751f\u7f16\u53f7*");

        jLabel2.setText("\u59d3\u540d");

        jLabel3.setText("\u6027\u522b");

        jLabel4.setText("\u51fa\u751f\u5e74\u6708");

        jLabel5.setText("\u653f\u6cbb\u9762\u8c8c");

        jLabel6.setText("\u4e13\u4e1a\u540d\u79f0");

        jLabel7.setText("\u8054\u7cfb\u7535\u8bdd");

        jButton1.setText("\u4fee\u6539");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                update(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()
                .add(58, 58, 58)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
                    .add(jButton1)
                    .add(layout.createSequentialGroup()
                        .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                            .add(jLabel1)
                            .add(jLabel3)
                            .add(jLabel5)
                            .add(jLabel7))
                        .add(12, 12, 12)
                        .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING, false)
                            .add(jTextField7)
                            .add(jTextField5)
                            .add(jTextField3)
                            .add(jTextField1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 76, Short.MAX_VALUE))
                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                        .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                            .add(jLabel2)
                            .add(jLabel4)
                            .add(jLabel6))))
                .add(19, 19, 19)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
                    .add(jTextField6)
                    .add(jTextField4)
                    .add(jTextField2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 77, Short.MAX_VALUE))
                .addContainerGap(52, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(43, 43, 43)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel1)
                    .add(jLabel2)
                    .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jTextField2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .add(24, 24, 24)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel4)
                    .add(jTextField3, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jTextField4, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jLabel3))
                .add(30, 30, 30)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jLabel6)
                    .add(jTextField5, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jTextField6, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jLabel5))
                .add(35, 35, 35)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jTextField7, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jLabel7))
                .add(28, 28, 28)
                .add(jButton1)
                .addContainerGap(37, Short.MAX_VALUE))
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents

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

        try{
            Conect conect = new Conect();
            sql = conect.dbConn.createStatement();
            
            String number = jTextField1.getText();
            String name = jTextField2.getText();
            String sex = jTextField3.getText();
            String year = jTextField4.getText();
            String politic = jTextField5.getText();
            String cla = jTextField6.getText();
            String tel = jTextField7.getText();
            String claNo = null;
            int temp = 0;
            
            if( number.equals("") )
            {
                JOptionPane.showMessageDialog(null,"學號不能為空","錯誤",JOptionPane.ERROR_MESSAGE);
            }
            else
            {
                ResultSet rs1 = sql.executeQuery("SELECT 學生編號 from 學生 where 學生編號 ='"+number+"'");
                if( rs1.next() )
                {
                    temp++;
                }
                else JOptionPane.showMessageDialog(null,"不存在此學號","錯誤",JOptionPane.ERROR_MESSAGE);
            }
            
            if( !cla.equals("") )
            {
                ResultSet rs = sql.executeQuery("SELECT 專業(yè)編號 FROM 專業(yè) WHERE 專業(yè)名稱 ='"+ cla +"'");
                if( rs.next() )
                {
                    claNo = (String) rs.getObject(1);
                }
                else
                {
                    JOptionPane.showMessageDialog(null,"不存在該專業(yè)","錯誤",JOptionPane.ERROR_MESSAGE);
                    temp --;
                }
            }            
            
            if( temp == 1 )
            {
                int reg;
                if( !name.equals("") )
                {
                    reg = sql.executeUpdate("UPDATE 學生 SET 姓名 = '"+ name + "' WHERE 學生編號 = '"+ number +"'");
                }
                
                if( !sex.equals("") )
                {
                    reg = sql.executeUpdate("UPDATE 學生 SET 性別 = '"+ sex + "' WHERE 學生編號 = '"+ number +"'");
                }
                
                if( !year.equals("") )
                {
                    reg = sql.executeUpdate("UPDATE 學生 SET 出生年月 = '"+ year + "' WHERE 學生編號 = '"+ number +"'");
                }
                
                if( !politic.equals("") )
                {
                    reg = sql.executeUpdate("UPDATE 學生 SET 政治面貌 = '"+ politic + "' WHERE 學生編號 = '"+ number +"'");
                }
                
                if( !cla.equals("") )
                {
                    reg = sql.executeUpdate("UPDATE 學生 SET 專業(yè)名稱 = '"+ cla + "' WHERE 學生編號 = '"+ number +"'");
                }
                
                if( !tel.equals("") )
                {
                    reg = sql.executeUpdate("UPDATE 學生 SET 聯(lián)系電話 = '"+ tel + "' WHERE 學生編號 = '"+ number +"'");
                }
                
                JOptionPane.showMessageDialog(null,"已成功修改學生信息","成功",JOptionPane.INFORMATION_MESSAGE);
            }
            dispose();

}
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_update
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Asstostudent3().setVisible(true);
            }
        });
    }
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    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.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    private javax.swing.JTextField jTextField3;
    private javax.swing.JTextField jTextField4;
    private javax.swing.JTextField jTextField5;
    private javax.swing.JTextField jTextField6;
    private javax.swing.JTextField jTextField7;
    // End of variables declaration//GEN-END:variables
    
}