showstudent.java

自己编的学籍管理系统

package myprojects.studymanager;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;


public class ShowStudent extends JPanel implements ActionListener
{
	File file;
	JTextField text1,text2,text3,text4,text5;
	JComboBox text6,text7;
	String s1,s2,s3,s4,s5;
	int s6,s7;
	JButton button1,button2;
	JButton choose;			//选系选导师
	JLabel title,label1,label2,label3,label4,label5,label6,label7,label8;
	JButton search;
	AbstractStudent abstractStudent;
	StudyManager motherp;
	String sID;
	ConcreteStudentManager manager;

	ShowStudent(StudyManager m)
	{
		 motherp=m;
		 file=new File(".\\data\\Student.study");
		 label1=new JLabel("姓名:");
		 text1=new JTextField(10);	
		 Box box1=Box.createHorizontalBox();
		 box1.add(label1);
		 box1.add(text1);
		 
		 label2=new JLabel("学号:");
		 text2=new JTextField(10);
		 text2.setEditable(false);
		 Box box2=Box.createHorizontalBox();
		 box2.add(label2);
		 box2.add(text2);
		 
		 label3=new JLabel("学院:");
		 text3=new JTextField(10);
		 Box box3=Box.createHorizontalBox();
		 box3.add(label3);
		 box3.add(text3);
		 		 
		 label4=new JLabel("专业:");
		 text4=new JTextField(10);
		 text4.setEditable(false);	
		 choose=new JButton("选系");
		 choose.addActionListener(this);
		 Box box4=Box.createHorizontalBox();
		 box4.add(label4);
		 box4.add(text4);
		 box4.add(choose);
		 		 
		 label5=new JLabel("年龄:");
		 text5=new JTextField(2);
		 label6=new JLabel("入学时间:");
	
		 text6=new JComboBox();
		 int temp;
		 for(int i=0;i<=7;i++)
		 {
		 	temp=2004-i;
		  	text6.addItem(""+temp);
		  }
		 label7=new JLabel("年");
		 
		 text7=new JComboBox();
		 for(int i=1;i<=12;i++)
		 	text7.addItem(""+i);
		 label8=new JLabel("月");
		 
		 Box box5=Box.createHorizontalBox();
		 box5.add(label5);
		 box5.add(text5);
		 box5.add(label6);
		 box5.add(text6);
		 box5.add(label7);
		 box5.add(text7);
		 box5.add(label8);
				 
		 button1=new JButton("修改");
		 button1.addActionListener(this);
		 search=new JButton("查找");
		 search.addActionListener(this);
		 button2=new JButton("注销");
		 button2.addActionListener(this);
		 Box box6=Box.createHorizontalBox();
		 box6.add(button1);
		 box6.add(search);
		 box6.add(button2);
		 
		 title=new JLabel(" ");
		 Font font=new Font(null,Font.BOLD,15);
		 title.setFont(font);
		 Box box7=Box.createHorizontalBox();
		 box7.add(title);
		 
		 Box box=Box.createVerticalBox();
		 box.add(Box.createVerticalStrut(30));
		 box.add(box7);
		 box.add(Box.createVerticalStrut(10));
		 box.add(box1);
		 box.add(Box.createVerticalStrut(5));
		 box.add(box2);
		 box.add(Box.createVerticalStrut(5));
		 box.add(box3);
		 box.add(Box.createVerticalStrut(5));
		 box.add(box4);
		 box.add(Box.createVerticalStrut(5));
		 box.add(box5);
		 box.add(Box.createVerticalStrut(10));
		 box.add(box6);
		 
		 this.setLayout(new FlowLayout());
		 add(box);
		 
		 
	}
	public void setStudent(String ID)
	{
		sID=ID;	
		try
		{
			FileInputStream input3=new FileInputStream(file);
			ObjectInputStream input4=new ObjectInputStream(input3);
			manager=
				(ConcreteStudentManager)input4.readObject();
			input3.close();
			input4.close();
			abstractStudent=(AbstractStudent)manager.IDsearchStudent(ID);
		}
		catch(Exception ee)
		{
			ee.printStackTrace();
		}
		
		
		 s1=abstractStudent.getS_name();
		 text1.setText(s1);
		 		
		 s2=abstractStudent.getS_studentID();
		 text2.setText(s2);
		 
		 s3=abstractStudent.getS_department();
		 text3.setText(s3); 
		 
		 s5=""+abstractStudent.getS_age();
		 text5.setText(s5);
		 
		 s6=abstractStudent.getEnrollmentYear().getYear();
		 text6.setSelectedIndex(2004-s6);
		 
		 s7=abstractStudent.getEnrollmentYear().getMonth();
		 text7.setSelectedIndex(s7-1);
		 
		 if(abstractStudent instanceof BachlorStudent)
		 {
		 	title.setText("本科生"+s1+",您的信息如下");
		 	if((((BachlorStudent)abstractStudent).hasMajor())==true)
		 	{
		 		choose.setEnabled(false);
		 		text4.setText(((BachlorStudent)abstractStudent).getMajor().toString());
		 		
		 		
		 	}
		 }
		 else if(abstractStudent instanceof GraStudent)
		 {
		 	title.setText("研究生"+s1+"你的信息如下");
		 	label4.setText("导师");
		 	choose.setText("选择");
		 	if((((GraStudent)abstractStudent).hasTeacher())==1)
		 	{
		 		choose.setEnabled(false);
		 		text4.setText(((GraStudent)abstractStudent).getTeacher().toString()+
		 		"	（未定）");
		 	}
		 	else if((((GraStudent)abstractStudent).hasTeacher())==2)
		 	{
		 		choose.setEnabled(false);
		 		text4.setText(((GraStudent)abstractStudent).getTeacher().toString());
		 	}
		 	else if((((GraStudent)abstractStudent).hasTeacher())==3)
		 	{
		 		text4.setText(((GraStudent)abstractStudent).getTeacher().toString()+
		 		"	 (被拒)");
		 		choose.setText("重选");
		 	}
		 	
		 }
		 	
	}
	public void adminuse()
	{
		title.setVisible(false);
		button2.setVisible(false);
		choose.setVisible(false);
		search.setVisible(false);
		
	}
	public void unmodifiable()
	{
		title.setVisible(false);
		text1.setEditable(false);
		text1.setText("");
		text2.setEditable(false);
		text2.setText("");
		text3.setEditable(false);
		text3.setText("");
		text4.setEditable(false);
		text4.setText("");
		text5.setEditable(false);
		text5.setText("");
		text7.setEnabled(false);
		text6.setEnabled(false);
		button1.setVisible(false);
		button2.setVisible(false);
		choose.setVisible(false);
		search.setVisible(false);
		
	}	
	public void defaultValue()
	{
		text1.setText("");
		text2.setText("");
		text3.setText("");
		text4.setText("");
		text5.setText("");
		text6.setSelectedIndex(0);
		text7.setSelectedIndex(0);
		
	}

	
	
	
	public void actionPerformed(ActionEvent bse)
	{
		if(bse.getSource()==choose)
		{
			try
			{
				if(abstractStudent instanceof BachlorStudent)
				{
					((BachlorStudent)abstractStudent).selectMajor(motherp).selectpanel();
				if(((BachlorStudent)abstractStudent).hasMajor()==true)
				{
					text4.setText(((BachlorStudent)abstractStudent).getMajor().toString());
					choose.setEnabled(false);
				}
			
				
				}
				if(abstractStudent instanceof GraStudent)
				{
					((GraStudent)abstractStudent).selectTeacher(motherp).selectpanel();
			
				if((((GraStudent)abstractStudent).hasTeacher())==1)
		 		{
		 			choose.setEnabled(false);
		 			text4.setText(((GraStudent)abstractStudent).getTeacher().toString()+
		 				"	（未定）");
		 		}
		 		}
				
				FileOutputStream one=new FileOutputStream(file);
				ObjectOutputStream two=new ObjectOutputStream(one);
				two.writeObject(manager);
				one.close();
				two.close();
				
			}
			catch(Exception xxe)
			{
				xxe.printStackTrace();
			}
		
			
		}
		else if(bse.getSource()==button2)
		{
			text4.setText("");
			choose.setEnabled(true);
			motherp.setCardlogin();
		}
		else if(bse.getSource()==search)
		{
			new Searchframe(motherp).show();
		}
		else if(bse.getSource()==button1)
		{
			Object[]options={"是","否","取消"};
			int i=
			JOptionPane.showOptionDialog(this,"确定修改资料?","Option",
				JOptionPane.YES_NO_CANCEL_OPTION,JOptionPane.WARNING_MESSAGE,null,
				options,null);
				if(i==0)
				{
					try
					{
						
						String name=text1.getText();
						int age=new Integer(text5.getText()).intValue();
						String studentID=text2.getText();
						String department=text3.getText();
						int year=2004-text6.getSelectedIndex();
						int month=text7.getSelectedIndex()+1;
						En_time time=new En_time(year,month);
												
						abstractStudent.setS_name(name);
						abstractStudent.setS_age(age);
						abstractStudent.setS_studentID(studentID);
						abstractStudent.setS_department(department);
						abstractStudent.setEnrollmentYear(time);
						
						FileOutputStream one=new FileOutputStream(file);
						ObjectOutputStream two=new ObjectOutputStream(one);
						two.writeObject(manager);
						one.close();
						two.close();
						
					}
				    catch(Exception eee)
					{
						eee.printStackTrace();
					}
					
				}
				else if(i==1)
				{
					try
					{
						s3=abstractStudent.getS_department();
						text3.setText(s3); 
			 	
						s5=""+abstractStudent.getS_age();
		 				text5.setText(s5);
		 
		 				s6=abstractStudent.getEnrollmentYear().getYear();
		 				text6.setSelectedIndex(2004-s6);
		 
		 				s7=abstractStudent.getEnrollmentYear().getMonth();
		 				text7.setSelectedIndex(s7-1);
		 				
		 			}
		 			catch(Exception te)
					{
						te.printStackTrace();
					}
		 						
				}
				else
				{
									
				}
			
		}
	}
	
	
}