viewmycourse.java

一个用于学生注册选课信息管理的简单的管理系统

import java.util.*;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.util.Vector;
public class ViewMyCourse extends JFrame implements ActionListener,ItemListener
{
    private Student astudent;
    private Vector aVector;
    private Course mycourse;
    private EditerCourse ec;
    private JLabel title=new JLabel("删除课程",SwingConstants.CENTER);
    private JButton deletebutton=new JButton("确认删除");
    private JButton leavebutton=new JButton("退出");
    private JComboBox jchoose=new JComboBox();
    private JPanel panelup=new JPanel();
    private JPanel paneldown=new JPanel();
    private JPanel panelleft=new JPanel();
    private JPanel panelright=new JPanel();
    private JTable aTable;
    private JScrollPane aJScrollPane;
    public ViewMyCourse(Student newStudent)
    {
        super("查看我的课表");
        this.setStudent(newStudent);    
        this.setBounds(100,100,350, 350);
        this.setVisible(true);
  //      setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Container c=this.getContentPane();
        c.setLayout(new GridLayout(2,1));
        ec=new EditerCourse(astudent);
        aVector=ec.getMyCourse();
        Object[] columnNames = {"课程班号",
        "课程名","学分","授课老师","上课时间","地点"};
        Object[][] rowData = new Object[50][6];
        for(int i=0;i<aVector.size();i++)
        {
            Course mycourse=(Course)aVector.elementAt(i);
            rowData[i][0]=mycourse.getCourseClassNo();
            rowData[i][1]=mycourse.getCourseName();
            rowData[i][2]=mycourse.getCourseXuefen();
            rowData[i][3]=mycourse.getCourseTeach();
            rowData[i][4]=mycourse.getCourseClassTime();
            rowData[i][5]=mycourse.getCourseClassRoom();
        }
        aTable=new JTable(rowData,columnNames);
        aTable.setAutoscrolls(true);
        aTable.getColumn("课程名").setMaxWidth(80);
        aTable.getColumn("学分").setMaxWidth(40);
        aTable.getColumn("上课时间").setMaxWidth(80);
        aJScrollPane=new JScrollPane(aTable);
        panelup.setBorder(BorderFactory.createLineBorder(Color.black));
        panelup.add(aJScrollPane);
        c.add(panelup);
        paneldown.setLayout(new GridLayout(1,2));
        for(int i=0;i<aVector.size();i++)
        {
            Course acourse=(Course)aVector.elementAt(i);
            jchoose.addItem(acourse.getCourseClassNo());
        }        
        panelleft.setLayout(new GridLayout(1,2));
        panelleft.add(title);
        jchoose.addItemListener(this);
        panelleft.add(jchoose);
        panelleft.setBorder(BorderFactory.createLineBorder(Color.black));
        paneldown.add(panelleft);
        panelright.setLayout(new GridLayout(2,1));
        deletebutton.addActionListener(this);
        panelright.add(deletebutton);
        leavebutton.addActionListener(this);
        panelright.add(leavebutton);
        panelright.setBorder(BorderFactory.createLineBorder(Color.black));
        paneldown.add(panelright);
        paneldown.setBorder(BorderFactory.createLineBorder(Color.black));
        c.add(paneldown);
        c.validate();
        this.addWindowListener(new WindowAdapter()
        {
            public void windowClosing(WindowEvent event)
            {
               dispose();
            }
        }
        );
    }
    
    public void setStudent(Student s)
    {
        astudent=s;
    }
    public Student getStudent()
    {
        return astudent;
    }

    public void actionPerformed(ActionEvent e) 
    {
        if(e.getSource()==leavebutton)
        {
            shutDown();
        }
        if(e.getSource()==deletebutton)
        {
            String mystring;
            Course course1;
            mystring=(String) jchoose.getSelectedItem();
                ec.deleteCourse(mystring);
                JOptionPane.showMessageDialog(this,"删除课程成功");
    

        }
    }

    public void itemStateChanged(ItemEvent e) 
    {
    }
     
    public void shutDown() 
    {
        this.dispose();
    }
    
//   public static void main(String arg[])
 // {
//       Student aa=new Student("34060817","222","34060817","222","222","222");
 //     ViewMyCourse a=new ViewMyCourse(aa);
//   }
       
}