testgui.java

java学生考试系统有Access 数据库java学生考试系统

	private void operationBoxSetting() {

		operationBox = Box.createHorizontalBox();
		operationBox.add(new JLabel("操作"));
		operationBox.add(Box.createHorizontalStrut(5));

		operationBox.add(Box.createHorizontalStrut(5));

		// 查看分数
		lookScore = new JButton("查看分数");

		lookScore.setEnabled(false);
		lookScore.addActionListener(this);
		operationBox.add(lookScore);
		// 读上一题
		previous = new JButton("上一题");
		previous.addActionListener(this);
		previous.setEnabled(false);
		operationBox.add(previous);
		
		operationBox.add(Box.createHorizontalStrut(5));
		// 读下一题
		next = new JButton("下一题");
		next.addActionListener(this);
		next.setEnabled(false);
		operationBox.add(next);
		operationBox.add(Box.createHorizontalStrut(5));

		// 查看所作题目
		preview = new JButton("预览");
		operationBox.add(preview);
		preview.addActionListener(this);
		operationBox.add(Box.createHorizontalStrut(5));

		// 查找所做完的题目答案
		search = new JButton("查找");
		search.addActionListener(this);
		search.setEnabled(false);
		operationBox.add(search);
		operationBox.add(Box.createHorizontalStrut(5));

		// 将答案提交到服务器
		submit = new JButton("提交");
		submit.addActionListener(this);
		operationBox.add(submit);

		operationBox.add(Box.createHorizontalStrut(5));
		operationBox.add(Box.createHorizontalGlue());
		operationBox.add(answerBox);
		operationBox.add(Box.createHorizontalGlue());
		Border caozuoborder = BorderFactory.createTitledBorder(BorderFactory
				.createLineBorder(Color.black, 1), "", TitledBorder.CENTER,
				TitledBorder.ABOVE_TOP, new Font("GB_2312", Font.BOLD, 16),
				Color.BLACK);
		operationBox.setBorder(caozuoborder);
	}

	private void testBoxSetting() {
		lastTimeL = new JLabel("离考试结束时间还有：");

		lastTimeF = new JTextField(10);
		lastTimeP = new JPanel();
		lastTimeL.setForeground(Color.RED);
		lastTimeF.setForeground(Color.RED);
		lastTimeF.setEditable(false);
		lastTimeP.add(lastTimeL);
		lastTimeP.add(lastTimeF);

		testBox = Box.createVerticalBox();
		String a = new String();

		testArea = new JTextArea(20, 10);
		testArea.setEditable(false);

		a = "天是透明的 因为雪慢慢的停了\n心是透明的 因为我不想隐藏了 \n天是透明的 因为黑夜已过去了 \n因为你对我笑了 所以想念很快乐 \n心是透明的 因为有你永远陪着 \n因为你决定爱了 所以等待也是值得\n你看不到我的苍凉，我依然带你去飞翔；\n你看不到我的迷惘，我依然带你去流浪； \n你找不到的地方，我和你一起跳舞、歌唱； \n你找不到的天堂，我把它拿来放在你手上。 \n";
		// a="十里平湖霜满天\n寸寸青丝愁华年\n对月形单望相顾\n只羡鸳鸯不羡仙";
              testArea.setText(a);
		testArea.setForeground(Color.RED);
		testArea.setFont(new Font("楷体_GB2312", Font.PLAIN, 24));

		answerAndWorkBox = Box.createVerticalBox();
		answerAndWorkBox.setSize(60, 30);
		answerAndWorkBox.add(workBox, BorderLayout.NORTH);
		answerAndWorkBox.add(new JScrollPane(testArea), BorderLayout.CENTER);
		answerAndWorkBox.add(operationBox, BorderLayout.SOUTH);

		testLabel = new JLabel("试  题");
		testLabel.setFont(new Font("新宋", Font.PLAIN, 24));

		testBox.setForeground(Color.BLUE);
		testBox.add(Box.createVerticalStrut(10));
		testBox.add(testLabel);
		testBox.add(lastTimeP);
		// testBox.add()
		testBox.add(answerAndWorkBox);

	}

	private void inputBoxSetting() {

		inputBox = Box.createHorizontalBox();
		inputBox.setVisible(false);
		inputBox.add(split_one, BorderLayout.CENTER);

		Border border = BorderFactory.createTitledBorder(BorderFactory
				.createLineBorder(Color.BLACK, 1), "学生考试系统",
				TitledBorder.CENTER, TitledBorder.ABOVE_TOP, new Font(
						"楷体_GB2312", Font.BOLD, 28), Color.BLACK);
		inputBox.setBorder(border);
	}

	private void bottomBoxSetting() {
		ActionListener time = new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				dispTime.setText(new java.util.Date().toString());
			}
		};
		new Timer(1000, time).start();

		bottomBox = Box.createHorizontalBox();
		dispTime = new JLabel();
		dispTime.setHorizontalAlignment(JLabel.LEFT);
		dispTime.setForeground(Color.BLACK);

		position.setHorizontalAlignment(JLabel.RIGHT);
		position
				.setText("ctj_2制作   济南大学   计算0207    2002091048    &^-^&       ");

		bottomBox.add(position);
		bottomBox.add(dispTime);
	}

	public void actionPerformed(ActionEvent e) {
		String ip = ipField.getText().trim();
		String user = userField.getText().trim();
		String pass = passField.getText().trim();
		
                                          
		if (e.getSource() == callIP) {    // 呼叫服务器

			if (socket != null && in != null && out != null) // 消除以往的连接信息
			{
				try {
					socket.close();
					in.close();
					out.close();

				} catch (Exception ee) {

				}
			}

			String login = user + "," + pass;
			int port1 = 8001;                    
			
			try {                                         // 建立网络连接
				socket = new Socket(ip, port1);
				in = new DataInputStream(socket.getInputStream());
				out = new DataOutputStream(socket.getOutputStream());
				out.writeUTF(login);
			} catch (IOException ee) // 如果连接失败
			{
				ipField.setText("呼叫失败");
				stateField.setText("你呼叫没有成功");
			}
			if (socket != null) // 如果连接成功，对返回信息进行分析；
			{

				try {
					String loginInfo = in.readUTF().trim();   // 返回的信息

					if (!loginInfo.equals("用户已经完成考试，不能再考试")) {

						stateField.setText(loginInfo);
						if (!loginInfo.equals("密码错误")) {

							stateField.setText(loginInfo);
							if (loginInfo.equals("已经达到最大连接数")) {
								otherinfo.setText(loginInfo);
								stateField.setText(loginInfo);
								out.close();
								in.close();
								return;
							} else {                                // 成功登录
								stuinfo.setText(loginInfo+"，\n你的学生号为：" + user);
								stateField.setText(loginInfo);
								queryButton.setEnabled(true);
								beginExe.setEnabled(true);

								out.close();
								in.close();
							}
						} else {
							stateField.setText(loginInfo);
							passField.setText("");
							userField.setText("请重新输入用户名和密码!");
						}
					} else {
						stateField.setText(loginInfo);
						queryButton.setVisible(true);
					}

				} catch (IOException e1) {
					e1.printStackTrace();
				}

			}

		} else if (e.getSource() == queryButton) { // 查询学生信息
			stuinfo.setText("你正在查询，请稍候");

			int port4 = 8004;
			try {
				socket = new Socket(ip, port4);
				in = new DataInputStream(socket.getInputStream());
				out = new DataOutputStream(socket.getOutputStream());

				out.writeUTF(user);
				stuinfo.setText("请求信息已发送");
			} catch (IOException ee) // 如果连接失败
			{
				ipField.setText("呼叫失败");
				stateField.setText("你呼叫没有成功");
				stuinfo.setText("你呼叫没有成功");
			}

			if (socket != null) // 如果连接成功
			{

				try {
					String queryInfo = in.readUTF();                // 得到查询结果
					stuinfo.setText(queryInfo);

					out.flush();
					out.close();

				} catch (IOException e1) {                         // 出现异常
					otherinfo.setText("数据传输错误");
				}

			}

		} else if (e.getSource() == beginExe) { // 生成试题
			String mgr = (String) subject.getSelectedItem();

			if (mgr.equals("英语")) {              // 选择英语
				selectT("e");
			} else if (mgr.equals("数学")) {      // 选择数学
				selectT("m");

			}
			stateField.setText("你已经选择了" + mgr + "试题");
			testinfo.setText("你已经选择了" + mgr + "试题");

			startTest.setEnabled(true);

		} else if (e.getSource() == startTest) { // 开始考试

			stateField.setText("考试开始，时钟计时");
			timeFlag = true;
			start();
			testArea.setText(tempTest[0]);
			startTest.setEnabled(false);
			beginExe.setEnabled(false);
			readNext.setEnabled(true);
			previous.setEnabled(false);
			search.setEnabled(false);
			next.setEnabled(false);

		} else if (e.getSource() == readNext) { // 读下一题目
			tempStr1 = keyField.getText().trim();
			uanswer += tempStr1 + "@";

			if (n <= enu-1) {
				System.out.println(tempStr1);

				stateField.setText("第" + n + "题，你选择的答案是：" + tempStr1); 
		    
				++n;
		// 显示下一题

				testArea.setText(tempTest[num]);
				++num;
			} else {
				JOptionPane.showMessageDialog(null, "你已经答题完毕，请检查后提交！",
						"确认完毕对话框", JOptionPane.INFORMATION_MESSAGE);
				readNext.setEnabled(false);
				preview.setEnabled(true);
				submit.setEnabled(true);
			}

		} else if (e.getSource() == preview) {              // 预览
			answerinfo.setText("用户：" + user + ", 你选的试题为：" + sub + "\n答题个数为：" + enu
					+ " 你的答案为：" + uanswer);
		} else if (e.getSource()==search){
			String testnum = JOptionPane.showInputDialog(null,"请输入你要查询的题目号");
			if(testnum==null){
				  System.out.println("出错了");
				  return ;
			}else{                                                  // 查询HashMap搜索相应的题目号，将对应试题显示？？？？？？
				
			}
			
			
		}
			else if (e.getSource() == submit) {                  // 提交答案
		
				if (socket != null && in != null && out != null) // 消除以往的连接信息
				try {
					socket.close();
					in.close();
					out.close();

				} catch (Exception ee) {
					System.out.print("消除以往的连接");
				}

			try {
				socket = new Socket(ip, port3);
				in = new DataInputStream(socket.getInputStream());
				out = new DataOutputStream(socket.getOutputStream());
				out.writeUTF(user + "," + sub + "," + uanswer + "," + enu);

				stateField.setText("你已经提交完毕，请点击查看分数");
				testinfo.setText("你已经提交完毕，请点击查看分数");

			} catch (UnknownHostException e1) {
				stateField.setText("未找到服务器");
			} catch (IOException e1) {
				stateField.setText("数据传输出错");
			}
			timeFlag = false;
			lookScore.setEnabled(true);

		} else if (e.getSource() == lookScore) {                     // 查看分数

			try {

				String s;
				s = in.readUTF().trim();

				StringBuffer sb = new StringBuffer(s);
				String s1 = sb.toString();
				JOptionPane.showMessageDialog(null, "用户:" + user + "你的得分为："
						+ s1, "查询分数对话框", JOptionPane.INFORMATION_MESSAGE);
				stuinfo.setText("用户:" + user + "你的得分为：" + s1);

				in.close();
				
				
				

				 submit.setEnabled(false);
	             preview.setEnabled(false);
	             readNext.setEnabled(false);
	            
				
				int temp = JOptionPane.showConfirmDialog(null, "您确认要关闭吗？",
						"考试完毕，退出系统！", JOptionPane.YES_NO_OPTION);
				if (temp == JOptionPane.YES_OPTION) {
			    System.exit(0);

				} else if (temp == JOptionPane.NO_OPTION) {
					return;
				}
				
			} catch (IOException e1) {
				e1.printStackTrace();
			}
		
			
            


        
        } else if (e.getSource() == stuLog) {                 // 学生登录
			enterButton.setEnabled(true);
		} else if (e.getSource() == techLog) { // 教师登录
			JFrame.setDefaultLookAndFeelDecorated(true);
		      new TechGui();
			jf.setVisible(false);
		} else if (e.getSource() == enterButton) {            // 学生进入考试
			inputBox.setVisible(true);
		} else if (e.getSource() == version) {                  // 查看版本信息
			JOptionPane.showMessageDialog(null, "ctj_2制作    &^-^& ",
					"version1.0", JOptionPane.INFORMATION_MESSAGE);

		} else if (e.getSource() == exit || e.getSource() == exitButton) {  // 离开本系统

			int temp = JOptionPane.showConfirmDialog(null, "您已经考试完毕，请退出本系统！",
					"关闭系统！？", JOptionPane.YES_NO_OPTION);
			if (temp == JOptionPane.YES_OPTION) {
				System.exit(0);

			} else if (temp == JOptionPane.NO_OPTION) {
				return;
			}

		}

	}

	
	public void run() {

		--minute;

		while (minute >= 0 && timeFlag) {
			try {
				sleep(1000);
			} catch (InterruptedException e) {
				System.out.println(e.getMessage());
				e.printStackTrace();
			}
			second--;
			if (second == 0) {
				minute--;
				second = 59;
			}
			lastTimeF.setText(Integer.toString(minute) + " ： "
					+ Integer.toString(second));

			if (minute == 0 && second == 59) {
				JOptionPane.showMessageDialog(null, "离考试结束还有1分钟，请抓紧答题！",
						"时间提示对话框", JOptionPane.INFORMATION_MESSAGE);
			}
			if (minute == 0 && second == 0) {

				System.exit(0);

			}
		}
	}

	public void selectT(String mgr) {
		tempTest = new String[100];

		String str1 = null, str2 = null;

		if (socket != null && in != null && out != null) // 消除以往的连接信息
			try {
				socket.close();
				in.close();
				out.close();
			} catch (Exception ee) {
				otherinfo.setText("消除以往的连接");
			}

		try {
			socket = new Socket(ip, port2);
			in = new DataInputStream(socket.getInputStream());
			out = new DataOutputStream(socket.getOutputStream());
			sub = mgr;
			testArea.setText("");

			stateField.setText(in.readUTF());
			out.writeUTF(sub);
			System.out.println("发送成功");

			// 接收服务器传送来的题目数量
			str1 = in.readUTF();
			enu = Integer.parseInt(str1);

			System.out.println(Integer.toString(enu));// 显示题目数量

			// 接收服务器传过来的试题
			str2 = in.readUTF();
			System.out.println("试题：" + str2);

			StringTokenizer stc = new StringTokenizer(str2, "^");

			for (int i = 0; i <= enu; i++) {
				String s = "";
				if (stc.hasMoreTokens()) {

					tempTest[i] = stc.nextToken().trim();

				}
				System.out.println("第" + i + "题\n" + tempTest[i]);
			}

			minute = Integer.parseInt(in.readUTF());

			out.flush();
			out.close();
		} catch (NumberFormatException e) {
			otherinfo.setText("数据传输格式错误");
		} catch (UnknownHostException e) {
			otherinfo.setText("未找到服务器");
		} catch (IOException e) {
			otherinfo.setText("数据传输错误");
		}

	}
}