package com.weixin.test17;import java.util.Date;import java.awt.Checkbox;import java.awt.CheckboxGroup;import java.awt.Choice;import java.awt.Color;import java.awt.ItemSelectable;import java.awt.TextArea;import java.awt.TextField;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.ItemEvent;import java.awt.event.ItemListener;import java.io.BufferedReader;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.IOException;import java.io.ObjectInputStream.GetField;import java.nio.CharBuffer;import java.text.ParseException;import java.text.SimpleDateFormat;import javax.sound.midi.ControllerEventListener;import javax.sound.sampled.Line;import javax.swing.JButton;import javax.swing.JCheckBox;import javax.swing.JDialog;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;/** * 考试模拟系统（单机）的设计 * @author wangtenghui * */public class TestDemo { private JFrame window; private JLabel title; private JLabel titleright; private JLabel left; private JLabel right; private JLabel leftDown; private JLabel time; private JLabel tishi; private Choice choice; private JCheckBox chose; private TextField score; private TextField content; private JButton a; private JButton b; private JButton c; private JButton d; private JButton start; private JDialog winDialog; static int allsecond = 2*60*60;//考试时间定为2小时 String str[] ; String p; static int j = 1; Thread th = new Thread(new StarLister()); public TestDemo(){ /* * 主窗体的搭建 */ window = new JFrame("标准化模拟考试"); window.setSize(800, 600); window.setVisible(true); window.setLayout(null); window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //标签的搭建 title = new JLabel("欢迎考试，您的选择试题是:" ); title.setBounds(300,0,170,30); title.setForeground(Color.blue); window.add(title); titleright = new JLabel(""); titleright.setBounds(480, 0, 90, 30); titleright.setForeground(Color.blue); window.add(titleright); left = new JLabel("选择试题文件"); left.setBounds(150,50,100,30); window.add(left); right = new JLabel("试题内容:"); right.setBounds(500,50,100,30); window.add(right); leftDown = new JLabel("剩余时间:"); leftDown.setBounds(150,460,100,20); window.add(leftDown); time = new JLabel(""); time.setBounds(200, 480, 100, 20); window.add(time); //按钮的搭建 a = new JButton("查看分数"); a.setForeground(Color.blue); a.setBounds(160,420,90,30); window.add(a); start = new JButton("开始答题"); start.setForeground(Color.blue); start.setBounds(60, 420, 90, 30); window.add(start); start.addActionListener(new StarLister()); b = new JButton("暂停计时"); b.setBounds(150,520,100,30); window.add(b); c = new JButton("提交该题答案"); c.setForeground(Color.blue); c.setBounds(530,500,120,30); window.add(c); d = new JButton("读取下一题"); d.setForeground(Color.blue); d.setBounds(660, 500, 120, 30); window.add(d); d.addActionListener(new StarLister()); //文本内容框搭建 score = new TextField(); score.setBounds(20,140,310,280); window.add(score); content = new TextField(); content.setBounds(350,80,420,400); window.add(content); //选题框架的搭建 choice = new Choice(); choice.setBounds(20, 100, 310, 30); choice.add(""); choice.add("A.text"); choice.add("B.text"); window.add(choice); choice.addItemListener(new MyLister()); JPanel jp=new JPanel();//定义一个JPanel布局???? jp.add(choice); window.add(jp); chose = new JCheckBox(); Checkbox c1 = new Checkbox("A",false); Checkbox c2 = new Checkbox("B",false); Checkbox c3 = new Checkbox("C",false); Checkbox c4 = new Checkbox("D",false); c1.setBounds(350, 480, 50, 50); c2.setBounds(400, 480, 50, 50); c3.setBounds(450, 480, 50, 50); c4.setBounds(500, 480, 50, 50); window.add(c1); window.add(c2); window.add(c3); window.add(c4); tishi = new JLabel(); window.add(tishi); winDialog = new JDialog(window,"考试提示",false); winDialog.setBounds(500,200,400,200); winDialog.setVisible(false); winDialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE); tishi = new JLabel(); winDialog.add(tishi); } class MyLister implements ItemListener{ public void itemStateChanged(ItemEvent e) { if(e.getSource()==choice){ Choice temp=(Choice)e.getSource(); p =temp.getSelectedItem(); titleright.setText(p); } } } class StarLister implements ActionListener,Runnable{ public void actionPerformed(ActionEvent e) { String operator = e.getActionCommand(); if("开始答题".equals(operator)){ read(); th = new Thread(this); th.start(); }else if("读取下一题".equals(operator)){ next(); } } public void run() { int hour = 0; int second = 0; int minutes = 0; String time1 = "02:00:00"; String t = "HH:mm:ss"; SimpleDateFormat r = new SimpleDateFormat(t); Date date = null; while(allsecond > 0){ try { th.sleep(1000); } catch (InterruptedException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } //时间的递减 allsecond--; hour = hour/3600; minutes = (allsecond-hour*3600)/60; second = (allsecond-hour*3600-minutes*60); time1 = hour + ":" + minutes + ":" + second;//将处理后的时分秒组合成字符串 try { date = r.parse(time1); } catch (ParseException e) { tishi.setText(" 程序出现了异常"); winDialog.setVisible(true); e.printStackTrace(); } } time.setText(r.format(date));//将格式化后的字符串输出 } } public void read() { //读文件 BufferedReader in = null; String line = null; String s = null; int i = 0; try { in = new BufferedReader(new FileReader("d:\\维信\\考试模拟试题\\" + p )); line = in.readLine();//按行来读取 while (line != null) { line = in.readLine(); if(line.equals("****")){ str[i] = s; i++; }else{ s = s + line + "\n"; } } content.setText(str[0]); } catch (IOException e) { tishi.setText(" 您未选择题目或未开始答题程序出现异常 "); winDialog.setVisible(true); e.printStackTrace(); }finally{ try { in.close(); } catch (IOException e) { tishi.setText("程序出现异常"); winDialog.setVisible(true); e.printStackTrace(); } } } public void next(){ if(j < 8) content.setText(str[j]); j++; } }
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