import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
import javax.swing.table.*;
class Exam_02_Sub extends JFrame implements ActionListener{
private JRootPane jrp;
private Container con;
private JLabel jlb = new JLabel("성적처리 인원수 :", JLabel.RIGHT);
private JLabel jlb1 = new JLabel("명", JLabel.LEFT);
private JTextField tf = new JTextField();
private JButton jbt = new JButton("만들기");
private JButton jbt1 = new JButton("연산");
private JButton jbt2 = new JButton("종료");
private DefaultTableModel dtm;
private DefaultTableColumnModel dtcm;
private DefaultListSelectionModel dlsm;
private JTable jt;
private JScrollPane jsp;
private int num = 0;
private TableColumn tc, tc1, tc2, tc3, tc4, tc5, tc6, tc7;
private DefaultTableCellRenderer dtcr, dtcr1, dtcr2, dtcr3, dtcr4, dtcr5, dtcr6, dtcr7;
private JTextField jtf, jtf1, jtf2, jtf3, jtf4, jtf5, jtf6,jtf7;
private DefaultCellEditor dce, dce1, dce2, dce3, dce4, dce5, dce6, dce7;
private JTableHeader jth;
public Exam_02_Sub(){
super("Test");
this.init();
this.start();
this.setSize(300,200);
Dimension di = Toolkit.getDefaultToolkit().getScreenSize();
Dimension di1 = this.getSize();
this.setLocation((int)(di.getWidth() / 2 - di1.getWidth() / 2),(int)(di.getHeight() / 2 - di1.getHeight() / 2));
this.setVisible(true);
}
public void init(){
jrp = this.getRootPane();
con = jrp.getContentPane();
con.setLayout(new BorderLayout());
JPanel jp = new JPanel(new BorderLayout());
jp.add("West", jlb);
jp.add("Center", tf);
JPanel jp1 = new JPanel(new BorderLayout());
jp1.add("West", jlb1);
jp1.add("Center", jbt);
jp1.add("East", jp1);
con.add("North", jp);
JPanel jp2 = new JPanel(new FlowLayout(FlowLayout.RIGHT));
jp2.add(jbt1); //연산
jp2.add(jbt2);
con.add("South", jsp);
//con.add("Center", jsp);
}
public void start(){
tf.addActionListener(this);
jbt.addActionListener(this);
jbt1.addActionListener(this);
jbt2.addActionListener(this);
}
public void actionPerformed(ActionEvent e){
if(e.getSource() == tf || e.getSource() == jbt){
//테이블 구성하고..화면에 뿌려주겠다..
try{
num = Integer.parseInt(tf.getText().trim());
}catch(NumberFormatException ee){
tf.setText("");
tf.requestFocus();
return;
}
tf.setEnabled(false);
jbt.setEnabled(false);
dtm = new DefaultTableModel(num, 8);
dtcm = new DefaultTableColumnModel();
dlsm = new DefaultListSelectionModel();
jt = new JTable(dtm, dtcm, dlsm);
jsp = new JScrollPane(jt);
dtcr = new DefaultTableCellRenderer();
jtf = new JTextField();
jtf.setEditable(true);
dce = new DefaultCellEditor(jtf);
tc = new TableColumn(0, 120, dtcr, dce);
tc.setHeaderValue("이름");
dtcm.addColumn(tc);
dtcr1 = new DefaultTableCellRenderer();
jtf1 = new JTextField();
jtf1.setEditable(true);
dce1 = new DefaultCellEditor(jtf1);
tc1 = new TableColumn(1, 75, dtcr1, dce1);
tc1.setHeaderValue("국어");
dtcm.addColumn(tc1);
dtcr2 = new DefaultTableCellRenderer();
jtf2 = new JTextField();
jtf2.setEditable(true);
dce2 = new DefaultCellEditor(jtf2);
tc2 = new TableColumn(2, 75, dtcr2, dce2);
tc2.setHeaderValue("영어");
dtcm.addColumn(tc2);
dtcr3=new DefaultTableCellRenderer();
jtf3 = new JTextField();
jtf3.setEditable(true);
dce3=new DefaultCellEditor(jtf3);
tc3 = new TableColumn(3, 75, dtcr3, dce3);
tc3.setHeaderValue("수학");
dtcm.addColumn(tc3);
dtcr4= new DefaultTableCellRenderer();
jtf4 = new JTextField();
jtf4.setEditable(false);
dce4 = new DefaultCellEditor(jtf4);
tc4 = new TableColumn(4, 75, dtcr4, dce4);
tc4.setHeaderValue("총점");
dtcm.addColumn(tc4);
dtcr5 = new DefaultTableCellRenderer();
jtf5 = new JTextField();
jtf5.setEditable(false);
dce5 = new DefaultCellEditor(jtf5);
tc5 = new TableColumn(5, 100, dtcr5, dce5);
tc5.setHeaderValue("평균");
dtcm.addColumn(tc5);
dtcr6 = new DefaultTableCellRenderer();
jtf6 = new JTextField();
jtf6.setEditable(false);
dce6 = new DefaultCellEditor(jtf6);
tc6 = new TableColumn(6, 50, dtcr6, dce6);
tc6.setHeaderValue("학점");
dtcm.addColumn(tc6);
dtcr7 = new DefaultTableCellRenderer();
jtf7 = new JTextField();
jtf7.setEditable(false);
dce7 = new DefaultCellEditor(jtf7);
tc7 = new TableColumn(7, 50, dtcr7, dce7);
tc7.setHeaderValue("석차");
dtcm.addColumn(tc7);
jth = new JTableHeader(dtcm);
jth.setReorderingAllowed(false);
jt.setTableHeader(jth);
con.add("Center", jsp);
con.validate();
this.pack();
Dimension di = Toolkit.getDefaultToolkit().getScreenSize();
Dimension di1 = this.getSize();
this.setLocation((int)(di.getWidth() / 2 - di1.getWidth() / 2), (int)(di.getHeight() / 2 - di1.getHeight() / 2));
}
else if(e.getSource() == jbt1){
//성적을 처리해서.. 결과를 뿌려주겠다..
jt.clearSelection();
int [] [] imsi = new int[num][2];
for(int i = 0; i<num; i++){
int tot = Integer.parseInt((String)dtm.getValueAt(i, 1)) +
Integer.parseInt((String)dtm.getValueAt(i, 2)) +
Integer.parseInt((String)dtm.getValueAt(i, 3));
float avg = tot /3.0f;
char ch = 0;
switch((int)(avg / 10)){
case 10:
case 9: ch = 'A'; break;
case 8: ch = 'B'; break;
case 7: ch = 'C'; break;
case 6: ch = 'D'; break;
default: ch = 'F';
}
dtm.setValueAt(String.valueOf(tot), i, 4);
dtm.setValueAt(String.valueOf(avg), i, 5);
dtm.setValueAt(ch + "", i, 6);
imsi[i] [0] = tot;
imsi[i] [1] = 1;
}
for(int i = 0; i < num; i++){
for(int j=0; j<num;j++){
if(imsi [i] [0] < imsi [j] [0]){
imsi [i] [1]++;
}
}
}
for(int i = 0; i< num; i++){
dtm.setValueAt(String.valueOf(imsi[i] [1]), i, 7);
}
}
else if(e.getSource() == jbt2){
System.exit(0);
}
}
}
public class Exam07_14{
public static void main(String[] ar){
Exam_02_Sub es = new Exam_02_Sub();
}
} |
