?? jpanel1.java~54~
字號:
package guanlixitong;
import java.awt.*;
import java.sql.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.Rectangle;
import java.awt.Font;
import javax.swing.table.*;
public class JPanel1
extends JPanel implements ActionListener {
public JPanel1() {
try {
jbInit();
}
catch (Exception ex) {
ex.printStackTrace();
}
}
public void actionPerformed(ActionEvent e) {
jLabel3.setText("");
if (e.getSource() == jButton1) {
int m = Integer.parseInt(jTextField1.getText());
if (m <= 109 && m >= 101 && n < 5 && tof(m)) {
String str = "jdbc:odbc:yangAcess";
Connection con;
String select = "select 上課時間,上課地點,學分,課序號 from yang2 where 課序號=" + m;
ResultSet rs;
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection(str);
Statement stmt = con.createStatement();
rs = stmt.executeQuery(select);
n = n + 1;
while (rs.next()) {
課程[n - 1].上課時間 = rs.getString(1);
課程[n - 1].上課地點 = rs.getString(2);
課程[n - 1].學分 = rs.getString(3);
課程[n - 1].課序號 = rs.getInt(4);
}
}
catch (Exception ea) {}
boolean bool = tof(m);
initCheckBox(n);
initTabel();
String update = "update yang1 set 課程1=" + 課程[0].課序號 + ",課程2=" +
課程[1].課序號 +
", 課程3=" + 課程[2].課序號 + ",課程4=" + 課程[3].課序號 +
", 課程5=" + 課程[4].課序號 + " where 學號=" + num;
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection(str);
Statement up = con.createStatement();
up.executeUpdate(update);
up.close();
con.close();
}
catch (Exception ae) {
System.out.print("fool");
}
}
boolean bool = tof(m);
}
else if (e.getSource() == jButton2) {
for (int i = 0; i < 5; i++) {
課程[i] = new 課程();
}
num = Integer.parseInt(jTextField2.getText());
int num1 = -1;
String str = "jdbc:odbc:yangAcess";
Connection con;
n = 0;
String select = "select 學號 from yang1 where 學號=" + num;
String sSelect =
"select 上課時間,上課地點,學分,課序號 from yang2 where 課序號=(select 課程1 from yang1 where 學號=" +
num +
")or 課序號=( select 課程2 from yang1 where 學號=" + num +
")or 課序號=(select 課程3 from yang1 where 學號=" + num +
")or 課序號=(select 課程4 from yang1 where 學號=" + num +
")or 課序號=(select 課程5 from yang1 where 學號=" + num + ")";
ResultSet rs;
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection(str);
Statement stmt = con.createStatement();
rs = stmt.executeQuery(sSelect);
while (rs.next()) {
課程[n].上課時間 = rs.getString(1);
課程[n].上課地點 = rs.getString(2);
課程[n].學分 = rs.getString(3);
課程[n].課序號 = rs.getInt(4);
n++;
}
rs = stmt.executeQuery(select);
while (rs.next()) {
num1 = rs.getInt(1);
}
con.close();
stmt.close();
}
catch (Exception ae) {
System.out.print("Woring");
}
if (num == num1) {
initTabel();
initCheckBox(n);
jTextField1.setEnabled(true);
jButton1.setEnabled(true);
jLabel1.setEnabled(true);
}
else {
jLabel3.setText(" 你 所 輸 學 號 不 存 在");
}
}
else if (e.getSource() == jButton3) {
delete();
}
}
public void update(){
String str = "jdbc:odbc:yangAcess";
Connection con;
String update = "update yang1 set 課程1=" + 課程[0].課序號 + ",課程2=" +
課程[1].課序號 +
", 課程3=" + 課程[2].課序號 + ",課程4=" + 課程[3].課序號 +
", 課程5=" + 課程[4].課序號 + " where 學號=" + num;
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection(str);
Statement up = con.createStatement();
up.executeUpdate(update);
up.close();
con.close();
}
catch (Exception ae) {
System.out.print("fool");
}
}
public void initCheckBox(int a) {
switch (a) {
case 0:
jCheckBox1.setEnabled(false);
jCheckBox3.setEnabled(false);
jCheckBox4.setEnabled(false);
jCheckBox5.setEnabled(false);
jCheckBox2.setEnabled(false);
jButton3.setEnabled(false);
case 1:
jCheckBox1.setEnabled(true);
jCheckBox3.setEnabled(false);
jCheckBox4.setEnabled(false);
jCheckBox5.setEnabled(false);
jCheckBox2.setEnabled(false);
jButton3.setEnabled(true);
break;
case 2:
jCheckBox1.setEnabled(true);
jCheckBox2.setEnabled(true);
jCheckBox3.setEnabled(false);
jCheckBox4.setEnabled(false);
jCheckBox5.setEnabled(false);
jButton3.setEnabled(true);
break;
case 3:
jCheckBox1.setEnabled(true);
jCheckBox2.setEnabled(true);
jCheckBox3.setEnabled(true);
jCheckBox4.setEnabled(false);
jCheckBox5.setEnabled(false);
jButton3.setEnabled(true);
break;
case 4:
jCheckBox1.setEnabled(true);
jCheckBox3.setEnabled(true);
jCheckBox4.setEnabled(true);
jCheckBox2.setEnabled(true);
jCheckBox5.setEnabled(false);
jButton3.setEnabled(true);
break;
case 5:
jCheckBox1.setEnabled(true);
jCheckBox3.setEnabled(true);
jCheckBox4.setEnabled(true);
jCheckBox5.setEnabled(true);
jCheckBox2.setEnabled(true);
jButton3.setEnabled(true);
break;
}
}
public void delete() {
if (jCheckBox1.isSelected()) {
課程[0].課序號 = 課程[1].課序號;
課程[1].課序號 = 課程[2].課序號;
課程[2].課序號 = 課程[3].課序號;
課程[3].課序號 = 課程[4].課序號;
n--;
update();
}
if (jCheckBox3.isSelected()) {
課程[1].課序號 = 課程[2].課序號;
課程[2].課序號 = 課程[3].課序號;
課程[3].課序號 = 課程[4].課序號;
n--;
update();
}
if (jCheckBox4.isSelected()) {
課程[2].課序號 = 課程[3].課序號;
課程[3].課序號 = 課程[4].課序號;
n--;
update();
}
if (jCheckBox5.isSelected()) {
課程[3].課序號 = 課程[4].課序號;
n--;
update();
}
if (jCheckBox2.isSelected()) {
課程[4].課序號 = 0;
n--;
update();
}
initTabel();
initCheckBox(n);
}
public boolean tof(int a) {
for (int i = 0; i < n - 1; i++) {
for (int j = 0; j < n - 1; j++) {
if (課程[j].課序號 > 課程[j + 1].課序號) {
int n = 課程[j].課序號;
課程[j].課序號 = 課程[j + 1].課序號;
課程[j + 1].課序號 = n;
}
}
}
return (a != 課程[0].課序號 && a != 課程[1].課序號 && a != 課程[2].課序號 &&
a != 課程[3].課序號 && a != 課程[4].課序號);
}
public void initTabel() {
jtm = new DefaultTableModel();
jtm.setRowCount(n);
jtm.addColumn("課序號");
jtm.addColumn("上課時間");
jtm.addColumn("上課地點");
jtm.addColumn("學分");
jb.setEnabled(false);
for (int i = 0; i < n; i++) {
jtm.setValueAt(new Integer(課程[i].課序號), i, 0);
jtm.setValueAt(課程[i].上課時間, i, 1);
jtm.setValueAt(課程[i].上課地點, i, 2);
jtm.setValueAt(課程[i].學分, i, 3);
}
jb.setModel(jtm);
}
private void jbInit() throws Exception {
this.setLayout(null);
jScrollPane1.setEnabled(false);
jScrollPane1.setBounds(new Rectangle(195, 181, 412, 117));
jTextField1.setEnabled(false);
jTextField1.setBounds(new Rectangle(310, 440, 123, 32));
jLabel1.setEnabled(false);
jLabel1.setFont(new java.awt.Font("宋體", Font.PLAIN, 15));
jLabel1.setForeground(Color.magenta);
jLabel1.setText("課 序 號");
jLabel1.setBounds(new Rectangle(195, 440, 107, 33));
jButton1.setBounds(new Rectangle(475, 441, 133, 32));
jButton1.setEnabled(false);
jButton1.setFont(new java.awt.Font("宋體", Font.PLAIN, 15));
jButton1.setForeground(Color.magenta);
jButton1.setText("提 交");
jTextField2.setBounds(new Rectangle(283, 92, 181, 29));
jLabel2.setFont(new java.awt.Font("宋體", Font.PLAIN, 15));
jLabel2.setForeground(Color.magenta);
jLabel2.setText("學 號");
jLabel2.setBounds(new Rectangle(195, 92, 70, 29));
jButton2.setBounds(new Rectangle(526, 92, 81, 29));
jButton2.setFont(new java.awt.Font("宋體", Font.PLAIN, 15));
jButton2.setForeground(Color.magenta);
jButton2.setText("確 定");
jLabel3.setFont(new java.awt.Font("新宋體", Font.BOLD, 16));
jLabel3.setForeground(Color.red);
jLabel3.setBounds(new Rectangle(268, 31, 276, 28));
jLabel4.setFont(new java.awt.Font("宋體", Font.BOLD, 16));
jLabel4.setForeground(Color.red);
jLabel4.setText("你 最 多 選 五 門 課 程");
jLabel4.setBounds(new Rectangle(276, 393, 218, 31));
jCheckBox1.setEnabled(false);
jCheckBox1.setSelectedIcon(null);
jCheckBox1.setText("jCheckBox1");
jCheckBox1.setBounds(new Rectangle(166, 204, 19, 13));
jCheckBox3.setEnabled(false);
jCheckBox3.setText("jCheckBox2");
jCheckBox3.setBounds(new Rectangle(166, 230, 18, 18));
jCheckBox4.setEnabled(false);
jCheckBox4.setText("jCheckBox2");
jCheckBox4.setBounds(new Rectangle(166, 245, 18, 18));
jCheckBox5.setEnabled(false);
jCheckBox5.setText("jCheckBox2");
jCheckBox5.setBounds(new Rectangle(166, 263, 18, 16));
jCheckBox2.setEnabled(false);
jCheckBox2.setText("jCheckBox2");
jCheckBox2.setBounds(new Rectangle(166, 217, 18, 18));
jButton3.setBounds(new Rectangle(195, 342, 135, 31));
jButton3.setEnabled(false);
jButton3.setFont(new java.awt.Font("宋體", Font.PLAIN, 16));
jButton3.setForeground(Color.magenta);
jButton3.setText("刪 除 ");
this.add(jLabel1);
this.add(jButton1);
this.add(jTextField1);
this.add(jScrollPane1);
this.add(jButton2);
this.add(jTextField2);
this.add(jLabel2);
this.add(jLabel3);
this.add(jLabel4);
this.add(jCheckBox3);
this.add(jCheckBox5);
this.add(jCheckBox1);
this.add(jCheckBox2);
this.add(jCheckBox4);
this.add(jButton3);
jScrollPane1.getViewport().add(jb, null);
jButton1.addActionListener(this);
jButton2.addActionListener(this);
jButton3.addActionListener(this);
for (int i = 0; i < 5; i++) {
課程[i] = new 課程();
}
}
JScrollPane jScrollPane1 = new JScrollPane();
JTextField jTextField1 = new JTextField();
JLabel jLabel1 = new JLabel();
JButton jButton1 = new JButton();
JTextField jTextField2 = new JTextField();
JLabel jLabel2 = new JLabel();
JButton jButton2 = new JButton();
JTable jb = new JTable();
DefaultTableModel jtm;
課程[] 課程 = new 課程[5];
int n = 0;
int num;
JLabel jLabel3 = new JLabel();
JLabel jLabel4 = new JLabel();
int a = 0;
JCheckBox jCheckBox1 = new JCheckBox();
JCheckBox jCheckBox3 = new JCheckBox();
JCheckBox jCheckBox4 = new JCheckBox();
JCheckBox jCheckBox5 = new JCheckBox();
JCheckBox jCheckBox2 = new JCheckBox();
JButton jButton3 = new JButton();
private class 課程 {
int 課序號;
String 學分, 上課地點, 上課時間;
public 課程() {
課序號 = a++;
學分 = "0";
上課地點 = "";
上課時間 = "";
}
}
}
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