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📄 xuesheng.java

📁 学生信息的显示
💻 JAVA
字号:
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.io.*;
import java.sql.*;
class xuesheng extends JFrame implements ActionListener,MouseListener 
{
	Connection conn;
    Statement stat;
    ResultSet rs;
    int k;
	JButton jb_chaxun,jb_delete,jb_insert,jb_xiugai,jb_zongfen,jb_chazhao;
	JTable table;
	JTabbedPane tp;
	Object body[][]=new Object[50][50];
	String title[]={"学号","姓名","性别","出生日期","院系","数学","英语","计算机","总分"};
	JLabel label = new JLabel("");
	
	JMenuBar menubar=new JMenuBar();
	JMenu file=new JMenu("查询全部");
	JMenu edit=new JMenu("添加信息");
	JMenu view=new JMenu("删除信息");
	JMenu gai=new JMenu("修改信息");
	JMenu zhao=new JMenu("查找信息");
	JMenu author=new JMenu("作者信息");
	JMenu exit=new JMenu("退出系统");
	
  	JMenuItem f1=new JMenuItem("查询信息");
	JMenuItem e1=new JMenuItem("添加信息");
	JMenuItem v1=new JMenuItem("删除信息");
	JMenuItem g1=new JMenuItem("修改信息");
	JMenuItem z1=new JMenuItem("查找信息");
	JMenuItem a1=new JMenuItem("作者信息");
	JMenuItem t1=new JMenuItem("退出系统");
	public xuesheng()
	{
		super("学生管理系统");
		//jb_chaxun=new JButton("查询");
		//jb_insert=new JButton("插入");
		//jb_delete=new JButton("删除");
		//jb_xiugai=new JButton("修改");
		//jb_zongfen=new JButton("显示总分");
		jb_chaxun=new JButton(new ImageIcon("all.jpg"));
		jb_insert=new JButton(new ImageIcon("add.jpg"));
		jb_delete=new JButton(new ImageIcon("del.jpg"));
		jb_xiugai=new JButton(new ImageIcon("correct.jpg"));
		jb_zongfen=new JButton(new ImageIcon("order.jpg"));
		jb_chazhao=new JButton(new ImageIcon("search.jpg"));
		this.setSize(800,600);
		this.setLayout(new FlowLayout());
		table=new JTable(body,title);
		tp=new JTabbedPane();
		tp.add("学生表",new JScrollPane(table));
		this.add(tp);
		JPanel panel=new JPanel();
		this.add(panel);
		panel.add(jb_chaxun);
		panel.add(jb_insert);
		panel.add(jb_delete);
		panel.add(jb_xiugai);
		panel.add(jb_zongfen);
		panel.add(jb_chazhao);
		panel.add(label);
		jb_chaxun.addActionListener(this);
		jb_chaxun.addMouseListener(this);
		jb_insert.addActionListener(this);
		jb_insert.addMouseListener(this);
		jb_delete.addActionListener(this);
		jb_delete.addMouseListener(this);
		jb_xiugai.addActionListener(this);
		jb_xiugai.addMouseListener(this);
		jb_zongfen.addActionListener(this);
		jb_zongfen.addMouseListener(this);
		jb_chazhao.addActionListener(this);
		jb_chazhao.addMouseListener(this);
		
		setJMenuBar(menubar);
  		menubar.add(file);
		menubar.add(edit);
		menubar.add(view);
		menubar.add(gai);
		menubar.add(zhao);
		menubar.add(author);
  		menubar.add(exit);
  		file.add(f1);
  		edit.add(e1);
  		view.add(v1);
  		gai.add(g1);
  		zhao.add(z1);
  		author.add(a1);
  		exit.add(t1);
		f1.addActionListener(this);
		e1.addActionListener(this);
		v1.addActionListener(this);
		g1.addActionListener(this);
		z1.addActionListener(this);
		a1.addActionListener(this);
		t1.addActionListener(this);
		this.setVisible(true);    
	    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
	    this.connection();

	}
	public void connection()
	{
		try
		{
			Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
			String url="jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ=student.mdb";
			conn=DriverManager.getConnection(url);
			stat = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
		}
		catch (Exception ex) 
       {
       }
	}
	
	public void actionPerformed(ActionEvent event)
	{
		
		if(event.getSource()==jb_chaxun || event.getSource()==f1)
		   chaxun();
		if(event.getSource()==jb_insert || event.getSource()==e1)
		   insert();
		if(event.getSource()==jb_delete || event.getSource()==v1)
		   delete();
		if(event.getSource()==jb_xiugai || event.getSource()==g1)  
		   xiugai();
		if(event.getSource()==jb_zongfen)
		   zongfen();
		if(event.getSource()==a1)
		   JOptionPane.showMessageDialog(null,"   计算机06级3班\n   20064524   陈庆凯\n   2008-12-20","作者信息",JOptionPane.PLAIN_MESSAGE);
		if(event.getSource()==t1)
		   System.exit(0);
		if(event.getSource()==jb_chazhao || event.getSource()==z1)
		   chazhao();
		   
	}
	public void mouseClicked(MouseEvent e) {}
	public void mousePressed(MouseEvent e) {}
    public void mouseReleased(MouseEvent e) {}
    public void mouseExited(MouseEvent e){}
	public void mouseEntered(MouseEvent e)
	{ 
		if(e.getSource()==jb_chaxun)
		{
			
			label.setText("显示信息");
			label.setBackground(Color.GRAY);
			label.setVisible(true);
			
		}
		if(e.getSource()==jb_insert)
		{
			
			label.setText("添加信息");
			label.setBackground(Color.GRAY);
			label.setVisible(true);
			
		}
		if(e.getSource()==jb_delete)
		{
			
			label.setText("删除信息");
			label.setBackground(Color.GRAY);
			label.setVisible(true);
			
		}
		if(e.getSource()==jb_xiugai)
		{
			
			label.setText("修改信息");
			label.setBackground(Color.GRAY);
			label.setVisible(true);
			
		}
		if(e.getSource()==jb_zongfen)
		{
			label.setText("计算总分");
			label.setBackground(Color.GRAY);
			label.setVisible(true);
		}
		if(e.getSource()==jb_chazhao)
		{
			label.setText("查找信息");
			label.setBackground(Color.GRAY);
			label.setVisible(true);
		}
		
	}
	
	public void chaxun()
	{
		 
		try {
            for(int x=0;x<body.length;x++)
            {
            body[x][0]=null;
            body[x][1]=null;
            body[x][2]=null;
            body[x][3]=null;
            body[x][4]=null;
            body[x][5]=null;
            body[x][6]=null;
            body[x][7]=null;
            body[x][8]=null;
            body[x][9]=null;
            }
            int i=0;
            
            rs=stat.executeQuery("select * from student");
            while(rs.next())
            {
            	
            body[i][0]=rs.getString(1);
            body[i][1]=rs.getString(2);
            body[i][2]=rs.getString(3);
            body[i][3]=rs.getString(4);
            body[i][4]=rs.getString(5);
            body[i][5]=rs.getInt(6);
            body[i][6]=rs.getInt(7);
            body[i][7]=rs.getInt(8);
            i=i+1;
            this.repaint();
            }
         }  
        catch (SQLException ex) 
        {
        }
       
        
	}
	public void insert()
	{
		try
		{
			JTextField text[]= new JTextField[20];
			text[0]=new JTextField("输入学号");
			text[0].setEditable(false);
			text[1]=new JTextField();
			text[2]=new JTextField("输入姓名");
			text[2].setEditable(false);
			text[3]=new JTextField();
			text[4]=new JTextField("输入性别");
			text[4].setEditable(false);
			text[5]=new JTextField();
			text[6]=new JTextField("输入出生日期");
			text[6].setEditable(false);
			text[7]=new JTextField();
			text[8]=new JTextField("输入院系");
			text[8].setEditable(false);
			text[9]=new JTextField();
			text[10]=new JTextField("输入数学成绩");
			text[10].setEditable(false);
			text[11]=new JTextField();
			text[12]=new JTextField("输入英语成绩");
			text[12].setEditable(false);
			text[13]=new JTextField();
			text[14]=new JTextField("输入计算机成绩");
			text[14].setEditable(false);
			text[15]=new JTextField();
			String but[]={"确定","取消"};
			int go=JOptionPane.showOptionDialog(null,text,"插入信息",JOptionPane.YES_OPTION,JOptionPane.INFORMATION_MESSAGE,null,but,but[0]);
			if(go==0)
			{
                 try{
                       String num=new String(text[1].getText());
                       String name=new String(text[3].getText());
                       String sex=new String(text[5].getText());
                       String birthday=new String(text[7].getText());
                       String xueyuan=new String(text[9].getText());
                       String math=new String(text[11].getText());
                       String eng=new String(text[13].getText());
                       String jsj=new String(text[15].getText());
                       connection();
                       stat.executeUpdate("insert into student (num,name,sex,birthday,xueyuan,math,eng,jsj) values ('"+num+"','"+name+"','"+sex+"','"+birthday+"','"+xueyuan+"','"+math+"','"+eng+"','"+jsj+"')");
                       JOptionPane.showMessageDialog(null,"数据已成功插入!");
                       this.chaxun();
                    }catch(Exception ee){}
            }
		}catch (Exception ex) {}
	}
	public void delete() 
    {
        try 
        {

               int row=table.getSelectedRow();
               stat.executeUpdate("delete from student where num='"+body[row][0]+"'");
               JOptionPane.showMessageDialog(null,"数据已成功删除");
               this.chaxun();
        } 
        catch (SQLException ex) 
       {
       }
    }
	public void xiugai()
	{
		   try
		   {   int row=table.getSelectedRow();

               JTextField text[]=new JTextField[20];
               text[0]=new JTextField("输入学号:");
               text[0].setEditable(false);
               text[1]=new JTextField(""+body[row][0]+"");
               text[2]=new JTextField("输入姓名:");
               text[2].setEditable(false);
               text[3]=new JTextField(""+body[row][1]+"");
               text[4]=new JTextField("输入性别:");
               text[4].setEditable(false);
               text[5]=new JTextField(""+body[row][2]+"");
               text[6]=new JTextField("输入出生日期:");
               text[6].setEditable(false);
               text[7]=new JTextField(""+body[row][3]+"");
               text[8]=new JTextField("输入院系:");
               text[8].setEditable(false);
               text[9]=new JTextField(""+body[row][4]+"");
               text[10]=new JTextField("输入数学成绩:");
               text[10].setEditable(false);
               text[11]=new JTextField(""+body[row][5]+"");
               text[12]=new JTextField("输入英语成绩");
               text[12].setEditable(false);
               text[13]=new JTextField(""+body[row][6]+"");
               text[14]=new JTextField("输入计算机成绩");
               text[14].setEditable(false);
               text[15]=new JTextField(""+body[row][7]+"");
               String but[]={"确定","取消"};
               int go=JOptionPane.showOptionDialog(null,text,"修改信息",JOptionPane.YES_OPTION,JOptionPane.INFORMATION_MESSAGE,null,but,but[0]);
               if(go==0)
			   {
                 try{
                       String num=new String(text[1].getText());
                       String name=new String(text[3].getText());
                       String sex=new String(text[5].getText());
                       String birthday=new String(text[7].getText());
                       String xueyuan=new String(text[9].getText());
                       String math=new String(text[11].getText());
                       String eng=new String(text[13].getText());
                       String jsj=new String(text[15].getText());
                       connection();
                       stat.executeUpdate("update student "+"set num='"+num+"',"+"name='"+name+"',"+"sex='"+sex+"',"+"birthday='"+birthday+"',"+"xueyuan='"+xueyuan+"',"+"math='"+math+"',"+"eng='"+eng+"',"+"jsj='"+jsj+"'"+"where num='"+body[row][0]+"'");
                       JOptionPane.showMessageDialog(null,"数据已成功修改!");
                       this.chaxun();
                    }catch(Exception ee){}
                }
           }catch (Exception ex) {}
               
	}
	public void zongfen()
	{
		 for(int j=0;j<body.length;j++)
        {
        	int m=body[j][5].hashCode()+body[j][6].hashCode()+body[j][7].hashCode();
        	body[j][8]=m;
        	this.repaint();
        }
		    
		
	}
	public void chazhao()
	{
		try{
	        JTextField t[]=new JTextField[2];
	        t[0]=new JTextField("输入要查找的学号:");
	        t[0].setEditable(false);
	        t[1]=new JTextField();
	        String but[]={"确定","取消"};
	        int go=JOptionPane.showOptionDialog(null,t,"按学号查找",JOptionPane.YES_OPTION,JOptionPane.INFORMATION_MESSAGE,null,but,but[0]);
            if(go==0)
            {
            	try{
                       for(int x=0;x<body.length;x++)
                       {
                           body[x][0]=null;
                           body[x][1]=null;
                           body[x][2]=null;
                           body[x][3]=null;
                           body[x][4]=null;
                           body[x][5]=null;
                           body[x][6]=null;
                           body[x][7]=null;
                           body[x][8]=null;
                           body[x][9]=null;
                       }
                       
                       String num=new String(t[1].getText());
                       connection();
                       rs=stat.executeQuery("select * from student where num='"+num+"'");
                       while(rs.next())
                       {
            	
                         body[0][0]=rs.getString(1);
                         body[0][1]=rs.getString(2);
                         body[0][2]=rs.getString(3);
                         body[0][3]=rs.getString(4);
                         body[0][4]=rs.getString(5);
                         body[0][5]=rs.getInt(6);
                         body[0][6]=rs.getInt(7);
                         body[0][7]=rs.getInt(8);
                         this.repaint();
                         
                       }
                       
                    }catch(Exception ee){}
              }
            }catch(Exception ee){} 
                       
	}

	public static void main(String args[])
    {
         new xuesheng();
    }
	
}

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