数据库应用-java+sqlserver（八）StoreScore

StoreScore:

import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Vector;
import java.sql.*;
import javax.swing.DefaultCellEditor;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableColumnModel;

public class StoreScore extends JPanel 
{
    private   MeTable   table   =   null;   
    private   JScrollPane   s_pan   =   null;   
    private   JButton   button_1   =   null; 
    
    StoreScore()
    {
        setLayout(new BorderLayout());
        table=new MeTable();
        button_1=new JButton("录入");
        button_1.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
                inputPerform();
            }
        });
        JPanel p=new JPanel();
        p.add(button_1);
        s_pan=new JScrollPane(add(initTable(table)));
        add(s_pan,BorderLayout.CENTER);
        add(p,BorderLayout.SOUTH);
    }
    private JTable initTable(JTable table) {
        DefaultTableModel dtm = new DefaultTableModel(   
                new Object [] {"学生编号","学生姓名","课程名称","成绩"},0); 
        
        table.setModel(dtm);   
        return table;   
    }
    public void updateTable()
    {
        SqlManager DBm=SqlManager.createInstance();
        DBm.connectDB();
        String sql="exec StoreScore'"+TeaInfo.jid.getText()+"'";
        System.out.println(sql);
        ResultSet rs=DBm.executeQuery(sql);
        DefaultTableModel dtm = new DefaultTableModel(   
                new Object [] {"学生编号","学生姓名","课程名称","成绩"},0);
        try{
            while(rs.next())
            {
                dtm.addRow(new Object[]{rs.getString(1),rs.getString(2),
                        rs.getString(3),rs.getString(4)});
            }
        }catch(SQLException e){
            e.printStackTrace();
        }
        table.setModel(dtm);
    }
    public void inputPerform()
    {
        int selectrow = 0;
        selectrow =table.getSelectedRow();
        String sid =table.getValueAt(selectrow,0).toString();
        String cname=table.getValueAt(selectrow,2).toString();
        String score=table.getValueAt(selectrow,3).toString();
        String sql="exec InputPerform '"+sid+"','"+cname+"','"+score+"'";
        System.out.println(sid+"...."+cname+"....");
        System.out.println(sql);
        SqlManager DBm=SqlManager.createInstance();
        DBm.connectDB();
        if(DBm.executeUpdate(sql)==1)
        {
            JOptionPane.showMessageDialog(this,"成绩输入成功",
                    "消息",JOptionPane.INFORMATION_MESSAGE);
        }
        DBm.closeDB();
    } 
}
class MeTable extends JTable
{
    public   boolean   isCellEditable(int   rowIndex,   int   columnIndex){
        if (columnIndex==3){
          return true;   
          } 
        else {
            return false;
        }
    }
    
}