java学生成绩管理系统界面设计

Myth丶恋晨 2022-05-21 03:56 258阅读 0赞

关于学生成绩管理系统的界面设计:代码如下  
数据库表设计

DROP TABLE IF EXISTS `student`;
    CREATE TABLE `student` (
      `username` varchar(30) NOT NULL,
      `stu_time` datetime NOT NULL,
      `stu_score` int(11) NOT NULL
    ) ENGINE=MyISAM DEFAULT CHARSET=utf8;

主界面设计

package com.studensystem;
    
    import javax.swing.*;
    import java.awt.*;
    import java.awt.event.*;
    import com.studensystem.SqlHelper;
    class MyPanel extends JPanel{
        Image img=Toolkit.getDefaultToolkit().getImage("c:/a.jpg");
       public void paint(Graphics g){
           g.drawImage(img,0,0,this);
       }
    }
    public class MainForm extends JFrame implements ActionListener
    {
    
       JMenu mSystem=new JMenu("学生信息管理");
      JMenuItem mExit=new JMenuItem("操作");
       JMenuItem mExit1 = new JMenuItem("查看");
      JMenu mOperate=new JMenu("课程信息管理");
      JMenuItem mAdd=new JMenuItem("添加");
      JMenuItem mDel=new JMenuItem("删除");
       JMenuItem mModify=new JMenuItem("修改");
       JMenu mQuery=new JMenu("成绩信息管理");
       JMenuItem mName=new JMenuItem("按姓名查询");
       JMenuItem mScore=new JMenuItem("按成绩查询");
       JMenu mHelp=new JMenu("学期信息管理");
       JMenuItem mAbout=new JMenuItem("操作");
       JMenuItem mAbout1 = new JMenuItem("");
       JMenuBar mBar=new JMenuBar();
       MainForm()
       {
           super("学生成绩管理系统");
          setSize(500,500);
           mSystem.add(mExit);
          mOperate.add(mAdd);
           mOperate.add(mDel);
          mOperate.add(mModify);
           mQuery.add(mName);
          mQuery.add(mScore);
           mHelp.add(mAbout);
           mBar.add(mSystem);
          mBar.add(mOperate);
           mBar.add(mQuery);
          mBar.add(mHelp);
           setJMenuBar(mBar);
          mExit.addActionListener(this);
           mAdd.addActionListener(this);
           mDel.addActionListener(this);
           mModify.addActionListener(this);
           mName.addActionListener(this);
           mScore.addActionListener(this);
           mAbout.addActionListener(this);
           setContentPane(new MyPanel());
           setVisible(true);
       }
       public void actionPerformed(ActionEvent ae){
           if(ae.getSource()==mExit)
               System.exit(0);
           else if(ae.getSource()==mAbout)
               JOptionPane.showMessageDialog(this,"学生成绩管理系统\n对不起，功能暂时未开放\n功能有待完善\n\n","期末作品",JOptionPane.INFORMATION_MESSAGE);
          else if(ae.getSource()==mAdd)
               new AddForm().setVisible(true);
            else if(ae.getSource()==mDel)
               new DeleteForm().setVisible(true);
             else if(ae.getSource()==mModify)
              new ModifyForm().setVisible(true);
          else if(ae.getSource()==mName)
             new NameQueryForm().setVisible(true);
            else if(ae.getSource()==mScore)
              new ScoreQueryForm().setVisible(true);
       }
       public static void main(String[] args) {
           new MainForm();
      }
    }

添加界面设计

package com.studensystem;
    import javax.swing.*;
    import java.awt.*;
    import java.awt.event.*;
    import java.sql.*;
    import com.studensystem.SqlHelper;
    public class AddForm extends JFrame implements ActionListener
    {
      JLabel labName=new JLabel("姓名：");
       JLabel labDate=new JLabel("出生日期：");
       JLabel labScore=new JLabel("成绩：");
       JTextField txtName=new JTextField(20);
       JTextField txtDate=new JTextField(18);
      JTextField txtScore=new JTextField(20);
       JButton btnAdd=new JButton("添加");
       JButton btnCancel=new JButton("取消");
       JPanel pan=new JPanel();
       JPanel pan1=new JPanel();
       JPanel pan2=new JPanel();
       JPanel pan3=new JPanel();
       JPanel pan4=new JPanel();
       Connection con;
       Statement sql;
       ResultSet rs;  
       AddForm()
       {
           super("添加数据");
           setSize(400,300);
           pan1.add(labName);
           pan1.add(txtName);
           pan2.add(labDate);
           pan2.add(txtDate);
           pan3.add(labScore);
           pan3.add(txtScore);
           pan4.add(btnAdd);
         pan4.add(btnCancel);
          pan.setLayout(new GridLayout(3,1));
          pan.add(pan1);
           pan.add(pan2);
           pan.add(pan3);
           getContentPane().add(pan,"Center");
           getContentPane().add(pan4,"South");
           btnAdd.addActionListener(this);
           btnCancel.addActionListener(this);
           btnAdd.setEnabled(true);
           txtDate.setEditable(true);        
            txtScore.setEditable(true);
           setVisible(true);
           txtName.requestFocus();
       }
       public void actionPerformed(ActionEvent ae)
       {
           String recode,insert1,stu_time,username;
           int stu_score;
           if(ae.getSource()==btnCancel)
           {
              this.dispose();
          } 
           else if(ae.getSource()==btnAdd)
                   {
                      try
                       {
                           Class.forName("com.mysql.jdbc.Driver");
                           }
                          catch(ClassNotFoundException e){   
                          }
                           try{con=DriverManager.getConnection("driver","user","passwd");
                           sql=con.createStatement();
                           username=txtName.getText();
                           stu_time=txtDate.getText();
                           stu_score=Integer.parseInt(txtScore.getText());
                     // recode="("+"'"+username+"'"+","+"'"+stu_time+""+"',"+stu_score+")";
                       //   insert1="insert into student values "+recode;
                           insert1="insert into student values(?,?,?)";
                           sql.executeUpdate(insert1);
                           System.out.println("记录添加完毕！");
                           btnAdd.setEnabled(false);
                           txtName.setText("");
                           txtScore.setText("");
                           txtDate.setText("");
                           con.close();
                       }
                          catch(SQLException e){
                           }
                   }
           }
               public static void main(String[] args) 
               {
                   new AddForm();
              }
    }

删除数据设计

package com.studensystem;
    
    import javax.swing.*;
    import java.awt.*;
    import java.awt.event.*;
    import java.sql.*;
    import com.studensystem.SqlHelper;
    public class DeleteForm extends JFrame implements ActionListener
    {
        JLabel labName=new JLabel("姓名：");
        JLabel labDate=new JLabel("出生日期：");
       JLabel labScore=new JLabel("成绩：");
       JTextField txtName=new JTextField(20);
       JTextField txtDate=new JTextField(18);
       JTextField txtScore=new JTextField(20);
       JButton btnDelete=new JButton("删除");
       JButton btnCancel=new JButton("取消");
       JButton btnQuery=new JButton("查询");
       JPanel pan=new JPanel();
      JPanel pan1=new JPanel();
      JPanel pan2=new JPanel();
       JPanel pan3=new JPanel();
      JPanel pan4=new JPanel();
       Connection con;
       Statement sql;
       ResultSet rs;
       DeleteForm()
       {
           super("删除数据");
          setSize(400,300);
           pan1.add(labName);
          pan1.add(txtName);
          pan2.add(labDate);
           pan2.add(txtDate);
           pan3.add(labScore);
           pan3.add(txtScore);
           pan4.add(btnQuery);
           pan4.add(btnDelete);
           pan4.add(btnCancel);
           pan.setLayout(new GridLayout(3,1));
          pan.add(pan1);
           pan.add(pan2);
           pan.add(pan3);
           getContentPane().add(pan,"Center");
           getContentPane().add(pan4,"South");
           btnQuery.addActionListener(this);
           btnDelete.addActionListener(this);
           btnCancel.addActionListener(this);
           btnDelete.setEnabled(false);//取消删除按钮的功能
           txtDate.setEditable(false);
          txtScore.setEditable(false);
           setVisible(true);
           txtName.requestFocus();
       }
       public void actionPerformed(ActionEvent ae)
       {
           if(ae.getSource()==btnCancel)
           {
               dispose();
         } 
          else if(ae.getSource()==btnQuery){      //实现查询功能
             try
              {
                   Class.forName("com.mysql.jdbc.Driver");}
              catch(ClassNotFoundException e){   
               }
                 try{con=DriverManager.getConnection("driver","user","passwd");
                  sql=con.createStatement();
                  rs=sql.executeQuery("select * from student where username='"+txtName.getText()+"'");
                  if(rs.next())
                  {
                     txtName.setText(rs.getString("姓名"));
                      txtScore.setText(new Integer(rs.getInt("成绩")).toString());
                       txtDate.setText(rs.getDate("出生日期").toString());
                      btnDelete.setEnabled(true);//使删除按钮功能实现
                       txtDate.setEditable(true);
                      txtScore.setEditable(true);
                }else{
                      System.out.println("不存在该记录！");
                      btnDelete.setEnabled(false);
                     txtName.setText("");
                      txtScore.setText("");
                       txtDate.setText("");
                       txtDate.setEditable(false);
                       txtScore.setEditable(false);
                   }
               }catch(SQLException e){
               }
           }
                   else if(ae.getSource()==btnDelete)        //实现删除功能
                   {
                       try
                       {
                          System.out.println("update  student set stu_time='"+txtDate.getText()+"',stu_score="+txtScore.getText()+" where username='"+txtName.getText()+"'");
                          sql.executeUpdate("delete from  student where username='"+txtName.getText()+"'");
                          System.out.println("记录删除完毕！");
                          btnDelete.setEnabled(false);
                          txtName.setText("");
                           txtScore.setText("");
                          txtDate.setText("");
                           txtDate.setEditable(false);
                          txtScore.setEditable(false);
                          con.close();
                      }
                      catch(SQLException e){
                      }
                  }
         }
              public static void main(String[] args) 
              {
                  new DeleteForm();
              }
    }

修改界面设计

import javax.swing.*;
    import com.studensystem.SqlHelper;
    import java.awt.*;
    import java.awt.event.*;
    import java.sql.*;
    public class ModifyForm extends JFrame implements ActionListener
    {
        JLabel labName=new JLabel("姓名：");
        JLabel labDate=new JLabel("出生日期：");
       JLabel labScore=new JLabel("成绩：");
       JTextField txtName=new JTextField(20);
      JTextField txtDate=new JTextField(18);
      JTextField txtScore=new JTextField(20);
      JButton btnModify=new JButton("修改");
       JButton btnCancel=new JButton("取消");
       JButton btnQuery=new JButton("查询");
       JPanel pan=new JPanel();
       JPanel pan1=new JPanel();
       JPanel pan2=new JPanel();
       JPanel pan3=new JPanel();
       JPanel pan4=new JPanel();
       Connection con;
       Statement sql;
      ResultSet rs;
      ModifyForm()
      {
          super("修改数据");
          setSize(400,300);
           pan1.add(labName);
          pan1.add(txtName);
          pan2.add(labDate);
          pan2.add(txtDate);
          pan3.add(labScore);
         pan3.add(txtScore);
           pan4.add(btnQuery);
           pan4.add(btnModify);
         pan4.add(btnCancel);
           pan.setLayout(new GridLayout(3,1));
           pan.add(pan1);
          pan.add(pan2);
          pan.add(pan3);
          getContentPane().add(pan,"Center");
          getContentPane().add(pan4,"South");
          btnQuery.addActionListener(this);
           btnModify.addActionListener(this);
          btnCancel.addActionListener(this);
           btnModify.setEnabled(false);
           txtDate.setEditable(false);
           txtScore.setEditable(false);
           setVisible(true);
           txtName.requestFocus();
       }
       public void actionPerformed(ActionEvent ae){
           if(ae.getSource()==btnCancel){
                  dispose();
           } else if(ae.getSource()==btnQuery){
               try{
                   Class.forName("com.mysql.jdbc.Driver");}
               catch(ClassNotFoundException e){   
               }
                try{con=DriverManager.getConnection("driver","user","passwd");
                   sql=con.createStatement();
                   rs=sql.executeQuery("select * from student where username='"+txtName.getText()+"'");
                   if(rs.next()){
                      txtName.setText(rs.getString("姓名"));
                       txtScore.setText(new Integer(rs.getInt("成绩")).toString());
                       txtDate.setText(rs.getDate("出生日期").toString());
                       btnModify.setEnabled(true);
                       txtDate.setEditable(true);
                      txtScore.setEditable(true);
                  }else{
                      System.out.println("不存在该记录! ");
                       btnModify.setEnabled(false);
                      txtName.setText("");
                      txtScore.setText("");
                      txtDate.setText("");
                       txtDate.setEditable(false);
                       txtScore.setEditable(false);
                   }
              }catch(SQLException e){
              }
        }else if(ae.getSource()==btnModify){
              try{
                   System.out.println("update  student set stu_time='"+txtDate.getText()+"',stu_score="+txtScore.getText()+" where username='"+txtName.getText()+"'");
                  sql.executeUpdate("update  student set stu_time='"+txtDate.getText()+"',stu_score="+txtScore.getText()+" where username='"+txtName.getText()+"'");
                  System.out.println("记录修改完毕！");
                   btnModify.setEnabled(false);
                   txtName.setText("");
                   txtScore.setText("");
                   txtDate.setText("");
                   txtDate.setEditable(false);
                  txtScore.setEditable(false);
                  con.close();
               }catch(SQLException e){
              }
          }
       }
       public static void main(String[] args) {
           new ModifyForm();
      }
    }

按名字查询数据

package com.studensystem;
    import javax.swing.*;
    import java.awt.*;
    import java.awt.event.*;
    import java.sql.*;
    import javax.swing.table.DefaultTableModel;
    import javax.swing.table.JTableHeader;
    import com.studensystem.SqlHelper;
    public class NameQueryForm extends JFrame implements ActionListener
    {
       JLabel labScore=new JLabel("请输入成绩：");
      JTextField txtScore=new JTextField(10);
       JButton btnQuery=new JButton("查询");
       JPanel pan1=new JPanel();
       JPanel pan2=new JPanel();
       String []str={"姓名","出生日期","成绩"};
       Object[][] data=new Object[10][3];
       JTable table=new JTable(data,str);
       JTableHeader head=table.getTableHeader();
       JScrollPane jsp=new JScrollPane(table);        //滚动
      Connection con;
       Statement sql;
       ResultSet rs;
       NameQueryForm()
       {
           super("按名字查询");
           setSize(400,300);
           pan1.add(labScore);
           pan1.add(txtScore);
          pan1.add(btnQuery);                        //以上3条在第一个面板加入内容
          getContentPane().add(pan1,"North");        //把面板1放到窗口顶部
          pan2.setLayout(new BorderLayout());
           pan2.add(head,"North");            //将表头放在面板2的顶部
           pan2.add(jsp,"Center");            //表格放在pan2中间
           getContentPane().add(pan2,"Center");//把面板2整体加入到主窗口中
           btnQuery.addActionListener(this);  //增加查询按钮的监视器
           setVisible(true);
       }
       public void actionPerformed(ActionEvent ae){
           if(ae.getSource()==btnQuery){
               int i,j,row;
    
               try{
                   Class.forName("com.mysql.jdbc.Driver");}
               catch(ClassNotFoundException e){   
               }
               try{  con=DriverManager.getConnection("driver","user","passwd");
                   sql=con.createStatement();
                   rs=sql.executeQuery("select COUNT(*) as rowcount from student where stu_score="+txtScore.getText());                   //寻找相同成绩的行数
                   rs.next();                                        //去掉头
                  row=rs.getInt("rowcount");                    
                  rs.close();
                   data=new Object[row][3];
                   rs=sql.executeQuery("select * from student where stu_score="+txtScore.getText());
                   i=0;j=0;
                  while(rs.next()){
                       data[i][j++]=rs.getString("姓名");
                       data[i][j++]=rs.getDate("出生日期");
                       data[i][j]=new Integer(rs.getInt("成绩"));//将数据库中查询到的信息保存到data中
                       i++;j=0;
                   }
                  pan2.removeAll();
                  getContentPane().remove(pan2);
                 table=new JTable(data,str);
                   pan2.setLayout(new BorderLayout());
                  head=table.getTableHeader();
                   jsp=new JScrollPane(table);
                   pan2.add(head,"North");
                   pan2.add(jsp,"Center");
                   getContentPane().add(pan2,"Center");
                   this.validate();
                   con.close();
               }catch(SQLException e){
               }
           }
       }
       public static void main(String[] args) {
           new NameQueryForm();
      }
    }

按成绩查询数据

package com.studensystem;
    import javax.swing.*;
    import java.awt.*;
    import java.awt.event.*;
    import java.sql.*;
    import javax.swing.table.DefaultTableModel;
    import javax.swing.table.JTableHeader;
    import com.studensystem.SqlHelper;
    public class ScoreQueryForm extends JFrame implements ActionListener
    {
       JLabel labScore=new JLabel("请输入成绩：");
       JTextField txtScore=new JTextField(10);
       JButton btnQuery=new JButton("查询");
       JPanel pan1=new JPanel();
       JPanel pan2=new JPanel();
       String []str={"姓名","出生日期","成绩"};
       Object[][] data=new Object[10][3];
       JTable table=new JTable(data,str);
       JTableHeader head=table.getTableHeader();
       JScrollPane jsp=new JScrollPane(table);        //滚动
       Connection con;
       Statement sql;
       ResultSet rs;
       ScoreQueryForm()
       {
           super("按成绩查询");
           setSize(400,300);
           pan1.add(labScore);
          pan1.add(txtScore);
           pan1.add(btnQuery);                        //以上3条在第一个面板加入内容
           getContentPane().add(pan1,"North");        //把面板1放到窗口顶部
           pan2.setLayout(new BorderLayout());
           pan2.add(head,"North");            //将表头放在面板2的顶部
           pan2.add(jsp,"Center");            //表格放在pan2中间
           getContentPane().add(pan2,"Center");//把面板2整体加入到主窗口中
           btnQuery.addActionListener(this);  //增加查询按钮的监视器
           setVisible(true);
       }
       public void actionPerformed(ActionEvent ae){
           if(ae.getSource()==btnQuery){
               int i,j,row;
               try{
                   Class.forName("com.mysql.jdbc.Driver");}
               catch(ClassNotFoundException e){   
               }
               try{  
                   con=DriverManager.getConnection("driver","user","passwd");
                  sql=con.createStatement();
                   rs=sql.executeQuery("select COUNT(*) as rowcount from student where  stu_score="+txtScore.getText());                   //寻找相同成绩的行数
                   rs.next();                                        //去掉头
                   row=rs.getInt("rowcount");                    
                   rs.close();
                 data=new Object[row][3];
                  rs=sql.executeQuery("select * from student where  stu_score="+txtScore.getText());
                   i=0;j=0;
                   while(rs.next()){
                       data[i][j++]=rs.getString("姓名");
                      data[i][j++]=rs.getDate("出生日期");
                       data[i][j]=new Integer(rs.getInt("成绩"));//将数据库中查询到的信息保存到data中
                       i++;j=0;
                   }
                  pan2.removeAll();
                 getContentPane().remove(pan2);
                table=new JTable(data,str);
                   pan2.setLayout(new BorderLayout());
                   head=table.getTableHeader();
                   jsp=new JScrollPane(table);
                   pan2.add(head,"North");
                   pan2.add(jsp,"Center");
                   getContentPane().add(pan2,"Center");
                   this.validate();
                   con.close();
               }catch(SQLException e){
               }
           }
       }
       public static void main(String[] args) {
          new ScoreQueryForm();
       }
    }

连接数据库操作

package com.studensystem;
    import java.sql.Connection;
    import java.sql.DriverManager;
    import java.sql.PreparedStatement;
    import java.sql.ResultSet;  
    
    public class SqlHelper {  
        //========数据库  
        private Connection ct = null;  
        private PreparedStatement ps = null;  
       private ResultSet rs = null;  
       private String driver = "com.mysql.jdbc.Driver";  //后面加上utf-8 不然中文乱码
       private String url = "jdbc:mysql://localhost:3306/test?characterEncoding=utf-8";  
       private String user = "root";  
       private String passwd = "";  
    
    
       //========查询  
       public ResultSet queryExecute(String sql, String []paras)  
       {  
           try {  
               //========1、加载驱动  
              Class.forName(driver);  
               //========2、连接  
               ct = DriverManager.getConnection(url, user, passwd);  
               //========3、创建PreparedStatement  
               ps = ct.prepareStatement(sql);  
               //========4、给问号赋值  
               if(paras != null) {  
                   for(int i = 0; i < paras.length; i++) {  
                       ps.setString(i + 1, paras[i]);  
                   }  
               }  
               //========5、执行  
               rs = ps.executeQuery();  
           } catch (Exception e) {  
               // TODO: handle exception  
               e.printStackTrace();  
           } finally {  
               //this.close();  
           }  
           //========返回值  
           return rs;  
       }  
    
       //========增删改  
       public boolean cudExecute(String sql, String []paras)  
       {  
           boolean b = true;  
           try {  
               //========1、加载驱动  
               Class.forName(driver);  
               //========2、连接  
               ct = DriverManager.getConnection(url, user, passwd);  
               //========3、创建PreparedStatement  
              ps = ct.prepareStatement(sql);  
               //========4、给问号赋值  
               for(int i = 0; i < paras.length; i++) {  
                  ps.setString(i + 1, paras[i]);  
               }  
               //========5、执行  
               if(ps.executeUpdate() != 1) b = false;  
           } catch (Exception e) {  
               // TODO: handle exception  
               b = false;  
               e.printStackTrace();  
           } finally {  
               this.close();  
           }  
           //========返回值  
           return b;  
       }  
    
       //========关闭资源  
       public void close()  
       {  
           try {  
               if(rs!=null) rs.close();  
               if(ps!=null) ps.close();  
               if(ct!=null) ct.close();  
           } catch (Exception e2) {  
               // TODO: handle exception  
               e2.printStackTrace();  
          }  
       }  
    
    }

截图演示  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwODYxNTYx_size_16_color_FFFFFF_t_70]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwODYxNTYx_size_16_color_FFFFFF_t_70 1]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwODYxNTYx_size_16_color_FFFFFF_t_70 2]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwODYxNTYx_size_16_color_FFFFFF_t_70 3]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwODYxNTYx_size_16_color_FFFFFF_t_70 4]  
下载链接:[https://download.csdn.net/download/qq\_40861561/11287146][https_download.csdn.net_download_qq_40861561_11287146]

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[https_download.csdn.net_download_qq_40861561_11287146]: https://download.csdn.net/download/qq_40861561/11287146