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你好我一直無法讓我的組合框列出文本文件中的項目。而當我在這時,我是否可以問,如果我的radioButton動態更改,當我更改我的combobx或將是太麻煩?在組合框中使用文本文件
import java.awt.GridLayout;
import java.util.Arrays;
import java.util.Scanner;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import java.io.*;
public class MovieSelection extends JFrame {
private JRadioButton selection1;
private JRadioButton selection2;
private JRadioButton selection3;
private JPanel moviePanel;
private JLabel priceLabel;
private JComboBox movieBox;
private ButtonGroup bg;
private String[] movieName = { "RED", "Taken", "Star Trek", "Star Wars",
"Avatar" };
public MovieSelection() {
super("Please select your movie");
setSize(800, 400);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(new GridLayout(15, 4));
setLocationRelativeTo(null);
// PrintWriter outputFile = new PrintWriter(TheMovies.txt);
buildMoviePanel();
add(moviePanel);
setVisible(true);
}
private class MovieLists implements ActionListener {
public void actionPerformed(ActionEvent e) {
Scanner inputFile = new Scanner(TheMovies.txt);
while (inputFile.hasNext()) {
String nextMovieName = inputFile.nextLine();
}
JComboBox cb = (JComboBox) e.getSource();
String Themovie = (String) cb.getSelectedItem();
}
}
}
你想在組合框中輸入完整的文本文件嗎? – Apurv 2013-04-25 06:10:54
你可以在這行'Scanner inputFile = new Scanner(TheMovies.txt);'in'actionPerformed'方法中找到任何錯誤 – 2013-04-25 06:12:00
還有'JComboBox movieLists = new JComboBox(TheMovies.txt);' – Apurv 2013-04-25 06:13:24