这是什么意思？

Question

说你的那个类不存在，你仔细检查看你引用的名字是否正确，注意大小写,ResultSetTableModel

Answer 1

import java.awt.*;
import java.awt.event.*;
import  java.sql.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;public class DisplayQueryResults extends JFrame{
  static final String JDBC_DRIVER = "sun.jdbc.odbc.JdbcOdbcDriver";
  static final String DATABASE_URL =
      "jdbc:odbc:driver={Microsoft Access Driver(*.mdb)};DBQ=c:\\济钢二区.mdb";
 static final String DEFAULT_QUERY="SELECT * FROM  ic卡号";
 private ResultSetTableModel tableModel;
 private JTextArea queryArea;
 public DisplayQueryResults( ){
   super("Displaying Query Results");
 try{
   System.setProperty("acess.system.home", "c:/");
   tableModel = new ResutsSetTableModel (JDBC_DRIVER, DATABASE_URL,
                                        DEFAULT_QUERY);
   queryArea = new JTextArea(DEFAULT_QUERY, 3, 100);
   queryArea.setWrapStyleWord(true);
   queryArea.setLineWrap(true);
   JScrollPane scrollPane = new JScrollPane(queryArea,
                                            ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
                                            ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
   JButton submitButton =new JButton("Submit Query");
   Box box=Box.createHorizontalBox();
   box.add(scrollPane);
   box.add(submitButton);
   JTable resultTable=new JTable(tableModel);
   Container c=getContentPane();
   c.add(box,BorderLayout.NORTH);
   c.add(new JScrollPane(resultTable),BorderLayout.CENTER);
   submitButton.addActionListener(
       new ActionListener(){
     public void actionPerformed(ActionEvent event)
     {
       try{
         tableModel.setQuery(queryArea.getText());
       }
       catch(SQLException sqlException){
         JOptionPane.showMessageDialog(null,sqlException.getMessage(),"Database error",
                                       JOptionPane.ERROR_MESSAGE);
        try{
          tableModel.setQuery(DEFAULT_QUERY);
          queryArea.setText(DEFAULT_QUERY);
        }
        catch(SQLException sqlException2){
          JOptionPane.showMessageDialog(null,sqlException2.getMessage(),"Database error",
                                    JOptionPane.ERROR_MESSAGE);
          tableModel.disconnectFromDatabase();
          System.exit(1);
            }
          }
        }
       }
   );
    setSize(500,200);
    setVisible(true);
 }
 catch(ClassNotFoundException classNotFound){
   JOptionPane.showMessageDialog(null,"Cloudscape driver not found","Driver not found",
                                 JOptionPane.ERROR_MESSAGE);
   System.exit(1);
 }
 catch(SQLException sqlException){
   JOptionPane.showMessageDialog(null,sqlException.getMessage(),
                                 "Database error",JOptionPane.ERROR_MESSAGE);
   tableModel.disconnectFromDatabase();
   System.exit(1);
 }
 setDefaultCloseOperation(DISPOSE_ON_CLOSE);
 addWindowListener(
      new WindowAdapter()
 {
   public void windowClosed(WindowEvent event)
   {
     tableModel.disconnctFromDatabase();
     System.exit(0);
   }
 }
 );
 }
 public static void main(String args[])
{ new DisplayQueryResults();
 }
}
这是源代码，我检查过，没有错啊