quizplayer.java

在QuizBuilder可以输入题目和答案保存在MyQuiz.txt中

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.util.ArrayList;
import javax.swing.*;

import java.awt.*;

public class QuizPlayer_Step2 {

	File f = new File("MyQuiz.txt");
	JTextArea text1 = new JTextArea(10, 45);
	JTextArea text2 = new JTextArea(10, 45);

	JFrame frame = new JFrame("My QuizPlayer for 06201216");

	JPanel panel1 = new JPanel();
	JPanel panel2 = new JPanel();
	JPanel panel3 = new JPanel();
	JPanel panel4 = new JPanel();
	JPanel panel5 = new JPanel();
	JPanel panel6 = new JPanel();
	JPanel panel7 = new JPanel();
	
	JLabel label1 = new JLabel("Question:");
	JLabel label2 = new JLabel("Answer:");
	
	JScrollPane scroller1 = new JScrollPane(text1);
	JScrollPane scroller2 = new JScrollPane(text2);
	
	JButton button1 = new JButton("Read");
	JButton button2 = new JButton("Answer");
	JButton button3 = new JButton("Next");

	public static void main(String[] args) {
		QuizPlayer_Step2 qp = new QuizPlayer_Step2();
		qp.go();
	}

	public void go() {
		button1.setToolTipText("READ");
		button2.setToolTipText("ANSWER");
		button3.setToolTipText("NEXT");
		button1.setBackground(Color.GREEN);
		button2.setBackground(Color.YELLOW);
		button3.setBackground(Color.RED);

		scroller1.setVerticalScrollBarPolicy(
				ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
		scroller1.setHorizontalScrollBarPolicy(
				ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
		
		scroller2.setVerticalScrollBarPolicy(
				ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
		scroller2.setHorizontalScrollBarPolicy(
				ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
		
		panel1.add(label1);
		panel2.add(scroller1);
		panel3.add(panel1);
		panel3.add(panel2);
		
		panel4.add(label2);
		panel5.add(scroller2);
		panel6.add(panel4);
		panel6.add(panel5);
		
		panel7.add(button1);
		panel7.add(button2);
		panel7.add(button3);

		panel3.setLayout(new BoxLayout(panel3, BoxLayout.Y_AXIS));
		panel6.setLayout(new BoxLayout(panel6, BoxLayout.Y_AXIS));
		
		frame.getContentPane().add(BorderLayout.NORTH, panel3);
		frame.getContentPane().add(BorderLayout.CENTER, panel6);
		frame.getContentPane().add(BorderLayout.SOUTH, panel7);

		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setSize(550, 500);
		frame.setVisible(true);

		button1.addActionListener(new Button1_Lisener());
		button2.addActionListener(new Button2_Lisener());
		button3.addActionListener(new Button3_Lisener());
	}

	int Button1_number = 0;
	int Button2_number = 0;
	int Button3_number = 0;
	boolean Stop_Flag = false;
	ArrayList<String> arrText = new ArrayList<String>();

	class Button1_Lisener implements ActionListener {
		public void actionPerformed(ActionEvent event) {
			Button1_number = 0;
			Button2_number = 0;
			Button3_number = 0;
			Stop_Flag = false;
			try {
				BufferedReader br = new BufferedReader(new FileReader(f));
				String line = null;
				arrText.clear();
				while ((line = br.readLine()) != null) {
					arrText.add(line);
				}
				line = (String) arrText.get(Button1_number);
				String[] result = line.split(",");
				String question = result[0];
				text1.setText(question);
				text1.setBackground(Color.LIGHT_GRAY);
				text2.setText(null);
				text2.setBackground(Color.WHITE);
				br.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	class Button2_Lisener implements ActionListener {
		public void actionPerformed(ActionEvent event) {
			if (Stop_Flag == false && Button2_number == Button3_number) {
				try {
					BufferedReader br = new BufferedReader(new FileReader(f));
					String line = null;
					line = (String) arrText.get(Button2_number);
					String[] result = line.split(",");
					String answer = result[1];
					text2.setText(answer);
					text2.setBackground(Color.LIGHT_GRAY);
					br.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
				Button2_number++;
			}else{
				JOptionPane.showMessageDialog(null, "Error!", "Error!", JOptionPane.ERROR_MESSAGE);
			}
		}
	}

	class Button3_Lisener implements ActionListener {
		public void actionPerformed(ActionEvent event) {
			if (Button2_number != arrText.size()) {
				try {
					BufferedReader br = new BufferedReader(new FileReader(f));
					String line = null;
					line = (String) arrText.get(Button2_number);
					String[] result = line.split(",");
					String question = result[0];
					text1.setText(question);
					text1.setBackground(Color.LIGHT_GRAY);
					text2.setText(null);
					text2.setBackground(Color.WHITE);
					br.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
				Button3_number++;
			} else {
				Stop_Flag = true;
				text1.setText("No Question!!");
				text1.setBackground(Color.PINK);
				text2.setText("No Answer!!");
				text2.setBackground(Color.PINK);
			}
		}
	}
}