Java swing 怎么将文本域添加到面板上？

Java swing 怎么将文本域添加到面板上？初学，求大神指教，有代码说明更好，谢谢

不难，参考
http://www.tuicool.com/articles/6Ff2Qn

从书上拍的 不知道楼主问的是不是这个

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.UIManager;
import javax.swing.JLabel;
import java.awt.Font;

import javax.swing.ImageIcon;
import javax.swing.JOptionPane;
import javax.swing.SwingConstants;
import javax.swing.JTextField;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.net.URL;

public class MessageDialogIcon extends JFrame {

private JPanel contentPane;
private JTextField textField;

/**
 * Launch the application.
 */
public static void main(String[] args) {
    try {
        UIManager
                .setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");
    } catch (Throwable e) {
        e.printStackTrace();
    }
    EventQueue.invokeLater(new Runnable() {
        public void run() {
            try {
                MessageDialogIcon frame = new MessageDialogIcon();
                frame.setVisible(true);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
}

/**
 * Create the frame.
 */
public MessageDialogIcon() {
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setBounds(100, 100, 338, 171);
    contentPane = new JPanel();
    contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
    setContentPane(contentPane);
    contentPane.setLayout(null);

    JLabel label = new JLabel("\u4E2A\u4EBA\u94F6\u884C\u63D0\u6B3E\u673A");
    label.setHorizontalAlignment(SwingConstants.CENTER);
    label.setFont(new Font("SansSerif", Font.PLAIN, 24));
    label.setBounds(6, 6, 310, 37);
    contentPane.add(label);

    JLabel label_1 = new JLabel("\u63D0\u6B3E\u91D1\u989D\uFF1A");
    label_1.setBounds(6, 55, 71, 18);
    contentPane.add(label_1);

    textField = new JTextField();
    textField.setBounds(67, 49, 236, 30);
    contentPane.add(textField);
    textField.setColumns(10);

    JButton button = new JButton("\u63D0\u6B3E");
    button.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent arg0) {
            do_button_actionPerformed(arg0);
        }
    });
    button.setBounds(124, 91, 90, 30);
    contentPane.add(button);
}

protected void do_button_actionPerformed(ActionEvent arg0) {
    String text = textField.getText();// 获取文本框输入
    URL resource = getClass().getResource("money.png");// 获取资源文件路径
    ImageIcon icon = new ImageIcon(resource);// 创建图标对象
    // 显示带有自定义图标的信息提示对话框
    JOptionPane.showMessageDialog(this, "你在我这存“" + text + "”这些钱了吗", "取钱啊？",
            JOptionPane.QUESTION_MESSAGE, icon);
}

}