在我的代码中，我正在尝试使用JScrollPane并将其添加到JOptionPane.showMessageDialog中。我不知道这是否可能开始，但我不知道如何做到这一点，以及如何将整个数组添加到一个消息而不是多个。这是我的代码：
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.Scanner;
import java.util.ArrayList;
import java.util.Iterator;
public class CulminatingPro implements ActionListener
{
//Create an array of buttons
static JButton[][] buttons = new JButton[10][4];
static JButton jbtList = new JButton("List");
ArrayList<Culminating> flyers = new ArrayList<Culminating>();
String fn;
String ln;
String pn;
String adress;
int column;
int row;
int reply;
int v;
Object[] options = {"First Name",
"Last Name",
"Phone Number",
"Adress"};
public static void main(String[] args)
{
JFrame frame = new JFrame("Fly By Buddies");
frame.setSize(900, 900);
JPanel mainPanel = new JPanel();
mainPanel.setLayout( new GridLayout(1,2));
JPanel paneSeats = new JPanel();
JPanel paneInfo = new JPanel();
paneSeats.setLayout( new GridLayout(11, 4, 5,5));
mainPanel.add(paneSeats);
mainPanel.add(paneInfo);
frame.setContentPane(mainPanel);
for (int i = 0; i < buttons.length; i++)
{
for(int j = 0; j < buttons[0].length; j++)
{
if (j + 1 == 1)
{
buttons[i][j] = new JButton("Seat " + (i + 1) + "A");
buttons[i][j].setBackground(Color.GREEN);
paneSeats.add(buttons[i][j]);
buttons[i][j].addActionListener(new CulminatingPro());
}
else if (j + 1 == 2)
{
buttons[i][j] = new JButton("Seat " + (i + 1) + "B");
buttons[i][j].setBackground(Color.GREEN);
paneSeats.add(buttons[i][j]);
buttons[i][j].addActionListener(new CulminatingPro());
}
else if (j + 1== 3)
{
buttons[i][j] = new JButton("Seat " + (i + 1) + "C");
buttons[i][j].setBackground(Color.GREEN);
paneSeats.add(buttons[i][j]);
buttons[i][j].addActionListener(new CulminatingPro());
}
else if (j + 1== 4)
{
buttons[i][j] = new JButton("Seat " + (i + 1) + "D");
buttons[i][j].setBackground(Color.GREEN);
paneSeats.add(buttons[i][j]);
buttons[i][j].addActionListener(new CulminatingPro());
}
}
}
jbtList.setPreferredSize(new Dimension(400, 40));
jbtList.addActionListener(new CulminatingPro());
paneInfo.add(jbtList, BorderLayout.SOUTH);
frame.setVisible(true);
frame.toFront();
}
public void actionPerformed(ActionEvent event)
{
for (int i = 0; i < buttons.length; i++)
{
for(int j = 0; j < buttons[0].length; j++)
{
if (event.getSource() == buttons[i][j])
{
v = 0;
for (int k = 0; k < flyers.size();k++)
{
if((flyers.get(k).getColumn() == (j) && (flyers.get(k).getColumn() == (j))))
{
if (!flyers.get(k).getFirstName().equals(""))
{
reply = JOptionPane.showConfirmDialog(null,
"Would you like to delete the info on the passenger?", "Deletion", JOptionPane.YES_NO_OPTION);
if (reply == JOptionPane.YES_OPTION)
{
flyers.remove(k);
buttons[i][j].setBackground(Color.GREEN);
}
else if (reply == JOptionPane.NO_OPTION)
{
reply = JOptionPane.showConfirmDialog(null,
"Would you like to modify the info on the passenger?", "Modification", JOptionPane.YES_NO_OPTION);
if (reply == JOptionPane.YES_OPTION)
{
int n = JOptionPane.showOptionDialog(null, "Message", "Title",
JOptionPane.DEFAULT_OPTION, JOptionPane.PLAIN_MESSAGE,
null, options, options[0]);
n = n + 1;
if(n == 0)
{
fn = JOptionPane.showInputDialog(null,"Re-enter passenger's first name: ");
flyers.get(k).setFirstName(fn);
}
if(n == 2)
{
ln = JOptionPane.showInputDialog(null,"Re-enter passenger's last name: ");
flyers.get(k).setLastName(ln);
}
if(n == 3)
{
pn = JOptionPane.showInputDialog(null,"Re-enter passenger's phone number: ");
flyers.get(k).setPhoneNumber(pn);
}
if(n == 4)
{
adress = JOptionPane.showInputDialog(null,"Re-enter passenger's adress: ");
flyers.get(k).setAdress(adress);
}
}
}
v = 1;
}
}
}
if(v == 0)
{
fn = JOptionPane.showInputDialog(null,"Passenger's first name (Necessary): ");
ln = JOptionPane.showInputDialog(null,"Passenger's last name (Necessary): ");
pn = JOptionPane.showInputDialog(null,"Passenger's phone number: ");
adress = JOptionPane.showInputDialog(null,"Passenger's adress: ");
column = j;
row = i;
flyers.add(new Culminating(fn,ln,pn,adress,column,row));
buttons[i][j].setBackground(Color.RED);
}
}
}
}
if (event.getSource().equals("List"))
{
JScrollPane[] scroll = new JScrollPane[flyers.size()];
for(int p = 0; p < flyers.size(); p++)
{
JTextArea text = new JTextArea(flyers.get(p).toString(), 10, 40);
scroll[p] = new JScrollPane(text);
}
for(int p = 0; p < flyers.size(); p++)
{
JOptionPane.showMessageDialog(null,scroll[p]);
}
}
}
}