public class Text extends JFrame. {

..............   

String[] column = {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j",
                      "k"};

    DefaultTableModel mode = new DefaultTableModel(column, 0) {
    };
    JTable myjtable = new JTable(mode);

.............

  private void jbInit() throws Exception {
        LinkSQL  L = new LinkSQL(); //连接数据库类
        String sql = "select * from BBSUsers where UName='tank'";
        L.Query(sql); //Query()在连接类中写好的方法

        try {
            while (f.rs.next()) {
                String a = f.rs.getString(1);
                String b = f.rs.getString(2);
                String c = f.rs.getString(3);
                String d = f.rs.getString(4);
                String w = f.rs.getString(5);
                String h = f.rs.getString(6);
                String l = f.rs.getString(7);
                String j = f.rs.getString(8);
                String k = f.rs.getString(9);
                String m = f.rs.getString(10);
                String g= f.rs.getString(11);
               Object[] row={a,b,c,d,w,h,l,j,k,m,g};
               mode.addRow(row);
            }

        } catch (SQLException ex) {
        }

........................

}

//****************************************************************

通过按钮查找SQL中数据并放入表中显示出来

package text;

import java.awt.BorderLayout;
import java.awt.Dimension;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import java.awt.*;
import javax.swing.JTable;
import javax.swing.JButton;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JTextField;
import javax.swing.table.DefaultTableModel;
import java.sql.*;

/**
 *

Title:

    DefaultTableModel mode = new DefaultTableModel(column, 0) {
    };
    JTable myjtable = new JTable(mode);

    public Text() {
        try {
            setDefaultCloseOperation(EXIT_ON_CLOSE);
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    /**
     * Component initialization.
     *
     * @throws java.lang.Exception
     */
     Fa f = new Fa();
    private void jbInit() throws Exception {
   

       
        contentPane = (JPanel) getContentPane();
        contentPane.setLayout(null);
        setSize(new Dimension(400, 300));
        setTitle("Frame. Title");
        jScrollPane1.setBounds(new Rectangle(4, 11, 391, 179));
        jButton1.setBounds(new Rectangle(247, 217, 146, 69));
        jButton1.setText("jButton1");
        jButton1.addActionListener(new Text_jButton1_actionAdapter(this));
        jTextField1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 18));
        jTextField1.setBounds(new Rectangle(8, 216, 229, 67));
        contentPane.add(jScrollPane1);
        contentPane.add(jButton1);
        contentPane.add(jTextField1);
        jScrollPane1.getViewport().add(myjtable);

    }

//////////////////////////////////////////////////////////////////////////////
  
    public void jButton1_actionPerformed(ActionEvent e) {
        String name = jTextField1.getText();
        String sql = "select * from BBSUsers where UName='"+name+"'";
        f.Query(sql);
        try {
                while (f.rs.next()) {
                    String a = f.rs.getString(1);
                    String b = f.rs.getString(2);
                    String c = f.rs.getString(3);
                    String d = f.rs.getString(4);
                    String w = f.rs.getString(5);
                    String h = f.rs.getString(6);
                    String l = f.rs.getString(7);
                    String j = f.rs.getString(8);
                    String k = f.rs.getString(9);
                    String m = f.rs.getString(10);
                    String g= f.rs.getString(11);
                   Object[] row={a,b,c,d,w,h,l,j,k,m,g};
                   mode.addRow(row);
                }
   
            } catch (SQLException ex) {
        }
    }
}

class Text_jButton1_actionAdapter implements ActionListener {
    private Text adaptee;
    Text_jButton1_actionAdapter(Text adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.jButton1_actionPerformed(e);
    }
}