Java版学籍管理系统.doc

. .

package 学籍管理系统;

/*

* To change this template, choose Tools | Templates

* and open the template in the editor.

*/

/**

*

import java.util.*;

public class Delete extends JPanel implements ActionListener

{

/**

*

*/

private static %nal long serialVersionUID = 1L;

Hashtable 根本信息表=null;

JTextField 学号,XX,专业,年级,出生;

JRadioButton 男,女;

File %le=null;

public Delete(File %le)

{

this.%le=%le;

学号=new JTextField(10);

删除=new utton("删除");

学号.addActionListener(this);

删除.addActionListener(this);

XX=new JTextField(10);

XX.setEditable(false);

. .

出生=new JTextField(10);

男=new JRadioButton("男",false);

女=new JRadioButton("女",false);

group=new ButtonGroup();

group.add(男);

group.add(女);

Box box1=Box.createHorizontalBox();

box1.add(new JLabel("输入要删除的学号:",JLabel.CENTER));

box1.add(学号);

box1.add(删除);

Box box3=Box.createHorizontalBox();

box3.add(new JLabel("性别:",JLabel.CENTER));

box3.add(男);

box3.add(女);

Box box4=Box.createHorizontalBox();

box5.add(new JLabel("年级:",JLabel.CENTER));

box5.add(年级);

boxH.add(box3);

boxH.add(box4);

boxH.add(box5);

boxH.add(box6);

boxH.add(Box.createVerticalGlue());

JPanel pCenter=new JPanel();

pCenter.add(boxH);

setLayout(new BorderLayout());

add(pCenter,BorderLayout.CENTER);

validate();

}

public void actionPerformed(ActionEvent e)

{

. .

{

String number="";

number=学号.getText();

if(number.length()>0)

{

try {

inOne=new FileInputStream(%le);

根本信息表=(Hashtable)inTwo.readObject();

{

}

if(根本信息表.containsKey(number))

{

Student stu=(Student)根本信息表.get(number);

XX.setText(stu.getName());

年级.setText(stu.getGrade());

出生.setText(stu.getBorth());

if(stu.getSex().equals("男"))

}

JOptionPane.QUESTION_MESSAGE);

if(ok==JOptionPane.YES_OPTION)

{

根本信息表.remove(number);

try

{

outOne=new FileOutputStream(%le);

outTwo=new ObjectOutputStream(outOne);

. .

outOne.close();

XX.setText(null);

专业.setText(null);

出生.setText(null);

}

catch(Exception ee)

学号.setText(null);

XX.setText(null);

专业.setText(null);

年级.setText(null);

出生.setText(null);

}

}

{

String warning="该学号不存在!";

String warning="必须要输入学号!";

}

}

}

}

. .

package 学籍管理系统;

/*

* To change this template, choose Tools | Templates

* and open the template in the editor.

*/

import java.awt.event.*;

import javax.swing.*;

import java.io.*;

import java.util.*;

public class Inquest extends JDialog implements ActionListener

{

/**

*/

private static %nal long serialVersionUID = 1L;

utton 查询;

ObjectInputStream inTwo=null;

File %le=null;

public Inquest(JFrame f,File %le)

{

super(f,"查询对话框",false);

this.%le=%le;

学号=new JTextField(10);

查询=new utton("查询");

学号.addActionListener(this);

查询.addActionListener(this);

XX=new JTextField(10);

XX.setEditable(false);