ここに問題があります。顧客リストをすべてチェックしたいのです。したがって、ハッシュマップを使用して、ic num と名前を出力します。ターミナルを使用しようとすると、出力は正常に実行されます。
しかし今、これらのハッシュ マップの結果を GUI に出力したいと考えています。
これまでの私のコーディングは次のとおりです。viewNumCust のアクション イベントにスキップできます。そこで、haspmap を jtextarea に出力しようとしました。
import javax.swing.*;
import java.io.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import java.io.FileReader;
import java.util.HashMap;
import java.util.Scanner;
import java.util.StringTokenizer;
public class manageClientAccGui extends JFrame
{
ImageIcon image;
JLabel imgLabel,clientLabel,helloLabel,greetingLabel;
JButton createCustProfileButt,editClientAccButt,deleteClientButt,backClientButt,viewNumCust;
JPanel panel1,panel2,panel3,panel4,panel5,panel6,panel7;
JTextArea viewListCust;
public manageClientAccGui()
{
super("Team Garoking Manage Customer");
Container con = getContentPane();
con.setLayout(new BorderLayout());
image = new ImageIcon("images/garokingLogo.jpg");
imgLabel = new JLabel(image);
clientLabel = new JLabel("Manage Client Account");
clientLabel.setForeground(Color.WHITE);
helloLabel = new JLabel("Hello! ");
helloLabel.setForeground(Color.WHITE);
greetingLabel = new JLabel("What would you like to do? ");
greetingLabel.setForeground(Color.WHITE);
JScrollPane scrollPane = new JScrollPane(viewListCust,
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
scrollPane.setPreferredSize(new Dimension(100, 100));
JLabel empty = new JLabel("");
JLabel empty1 = new JLabel("");
JLabel empty2 = new JLabel("");
JLabel empty3 = new JLabel("");
JLabel empty4 = new JLabel("");
createCustProfileButt = new JButton("Create Customer");
editClientAccButt = new JButton("Edit Customer Details");
deleteClientButt = new JButton("Remove Customer");
viewNumCust = new JButton("View Number of Customers");
backClientButt = new JButton("Back");
viewListCust = new JTextArea();
viewListCust.setEditable(false);
panel1 = new JPanel();
panel2 = new JPanel(new GridLayout(12,3));
panel3 = new JPanel(new GridLayout(12,3,0,3));
panel4 = new JPanel();
panel5 = new JPanel();
panel6 = new JPanel(new GridLayout(1,2));
panel7 = new JPanel(new GridLayout(1,2));
panel1.add(imgLabel);
panel1.setBackground(new Color(90,18,18));
panel2.add(clientLabel);
panel2.add(empty);
panel2.add(createCustProfileButt);
panel2.add(empty1);
panel2.add(editClientAccButt);
panel2.add(empty2);
panel2.add(deleteClientButt);
panel2.add(empty3);
panel2.add(viewNumCust);
panel2.add(empty4);
panel2.add(backClientButt);
panel2.setBackground(new Color(90,18,18));
panel6.add(helloLabel);
panel6.setBackground(new Color(90,18,18));
panel7.add(greetingLabel);
panel7.setBackground(new Color(90,18,18));
panel3.add(panel6);
panel3.add(panel7);
panel3.setBackground(new Color(90,18,18));
panel3.add(scrollPane);
panel5.add(panel3);
panel5.setBackground(new Color(90,18,18));
panel4.add(panel2);
panel4.setBackground(new Color(90,18,18));
con.add(panel4, BorderLayout.WEST);
con.add(panel1, BorderLayout.NORTH);
con.add(panel5, BorderLayout.CENTER);
Action act = new Action();
createCustProfileButt.addActionListener(act);
editClientAccButt.addActionListener(act);
deleteClientButt.addActionListener(act);
backClientButt.addActionListener(act);
viewNumCust.addActionListener(act);
setVisible(true);
Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
setLocation(((dim.width-1024)/2), ((dim.height-650)/2));
setSize(1024,650);
}
// public static void main(String args[])
// {
// new manageClientAccGui();
// }
class Action implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
if(e.getSource() == createCustProfileButt)
{
dispose();
new Log("Accessing create customer");
new addCustGui();
}
if(e.getSource() == editClientAccButt)
{
dispose();
new Log("Accessing edit customer");
new editCustGui();
}
if(e.getSource() == deleteClientButt)
{
dispose();
new Log("Accessing remove customer");
new removeCustGui();
}
if(e.getSource() == backClientButt)
{
dispose();
new Log("Accessing main menu");
new menuGarokingGui();
}
if(e.getSource() == viewNumCust)
{
int enumer = 0;
HashMap<String, String> map = new HashMap<String, String>();
try
{
Scanner scanner = new Scanner(new FileReader("IndividualDetails.txt"));
while (scanner.hasNextLine()) {
String[] columns = scanner.nextLine().split("\t");
map.put(columns[1,], columns[2])
enumer++;
}
}catch (FileNotFoundException ex)
{
}
new Log("View latest");
viewListCust.append("The clients are : " + map.values());
viewListCust.append("The total number of clients are : " + enumer);
}
}
}
}