一个关于表的程序!

ZICK

大家帮我看看,为什么这个界面里的表的表头出不来???
[php]
package clients;

/**
* @author weiwei
*
*
* @version  1.02
*/
import javax.swing.*;
import java.awt.*;

public class DozenAnz  extends JPanel {
  JPanel jPanel1 = new JPanel();
  JPanel jPanel2 = new JPanel();
  JPanel jPanel3 = new JPanel();
  JList jList1 = new JList();
  JTextArea jTextArea1 = new JTextArea();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JTextField jTextField2 = new JTextField();
  JTextField jTextField3 = new JTextField();
  JTextField jTextField4 = new JTextField();
  JLabel jLabel5 = new JLabel();
  JTextField jTextField5 = new JTextField();
  public static void main(String[] args) {
  }

  public DozenAnz() {
        try {
          jbInit();
        }
        catch(Exception e) {
          e.printStackTrace();
        }
  }
  private void jbInit() throws Exception {

        this.setLayout(null);
        jPanel1.setBorder(BorderFactory.createLineBorder(Color.black));
        jPanel1.setBounds(new Rectangle(3, 1, 133, 294));
        jPanel1.setLayout(null);
        jPanel2.setBorder(BorderFactory.createLineBorder(Color.black));
        jPanel2.setBounds(new Rectangle(140, 2, 233, 295));
        jPanel2.setLayout(null);
        jPanel3.setBorder(BorderFactory.createLineBorder(Color.black));
        jPanel3.setBounds(new Rectangle(380, 0, 127, 296));
        jPanel3.setLayout(null);
        jList1.setBounds(new Rectangle(0, 3, 133, 291));
        jTextArea1.setText("jTextArea1");
        jTextArea1.setBounds(new Rectangle(1, 1, 123, 295));
        jLabel1.setBorder(BorderFactory.createLineBorder(Color.black));
        jLabel1.setText("jLabel1");
        jLabel1.setBounds(new Rectangle(10, 8, 117, 18));
        jLabel2.setBorder(BorderFactory.createLineBorder(Color.black));
        jLabel2.setText("jLabel2");
        jLabel2.setBounds(new Rectangle(9, 61, 115, 17));
        jLabel3.setBorder(BorderFactory.createLineBorder(Color.black));
        jLabel3.setText("jLabel3");
        jLabel3.setBounds(new Rectangle(8, 111, 117, 19));
        jLabel4.setBorder(BorderFactory.createLineBorder(Color.black));
        jLabel4.setText("jLabel4");
        jLabel4.setBounds(new Rectangle(8, 166, 121, 16));
        jTextField1.setText("jTextField1");
        jTextField1.setBounds(new Rectangle(9, 32, 160, 19));
        jTextField2.setText("jTextField2");
        jTextField2.setBounds(new Rectangle(7, 85, 163, 17));
        jTextField3.setText("jTextField3");
        jTextField3.setBounds(new Rectangle(7, 138, 166, 16));
        jTextField4.setText("jTextField4");
        jTextField4.setBounds(new Rectangle(8, 190, 167, 18));
        jLabel5.setBorder(BorderFactory.createLineBorder(Color.black));
        jLabel5.setText("jLabel5");
        jLabel5.setBounds(new Rectangle(6, 220, 149, 15));
        jTextField5.setText("jTextField5");
        jTextField5.setBounds(new Rectangle(6, 245, 169, 18));

        this.add(jPanel1, null);
        jPanel1.add(jList1, null);
        jPanel2.add(jLabel1, null);
        jPanel2.add(jTextField1, null);
        jPanel2.add(jLabel2, null);
        jPanel2.add(jTextField2, null);
        jPanel2.add(jLabel3, null);
        jPanel2.add(jTextField3, null);
        jPanel2.add(jLabel4, null);
        jPanel2.add(jTextField4, null);
        jPanel2.add(jLabel5, null);
        jPanel2.add(jTextField5, null);
        this.add(jPanel3, null);
        jPanel3.add(jTextArea1, null);
        this.add(jPanel2, null);
  }
}
[/php]

路路

调整add部分的次序。this.add都放最后试试。JB有时候让人焦头烂额。