public class FM2Panel extends JPanel {
   
   
    public FM2Panel(int height){
        this.setSize(650, height);
        this.setLayout(null);
        
        JLabel jl1=new JLabel(new ImageIcon("src/cinema/image/变形金刚5.PNG"));
        jl1.setBounds(5, 10, 150, 200);
        
        
        JLabel jl2=new JLabel(new ImageIcon("src/cinema/image/刺客信条.PNG"));
        jl2.setBounds(5, 250, 150, 200);
   
        JPanel jp=new JPanel();
        jp.setLayout(null);
        JScrollPane jsp=new JScrollPane(jp);
        jsp.setBounds(0, 0, 630, 530);
        
        
        jp.add(jl1);
        jp.add(jl2);
        
        
        
        
        this.add(jsp);
    }

}

我这有一个带滚动条的文本框，给你参考参考。
import java.awt.BorderLayout;
import javax.swing.*;
public class Edit extends JFrame
{
    private JTextArea jta ;
    private JScrollPane scrollPane =new JScrollPane (jta = new JTextArea());
    public  Edit()
     {
         add(scrollPane,BorderLayout.CENTER);  
         
     }
     public static void Ljedit()
     {
         Edit frame=new  Edit();
          frame.setTitle("新建文本编辑器");
             frame.setSize(500,450);
             frame.setLocationRelativeTo(null);
             frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
             frame.setVisible(true);
     }
     }