可视化大赛评分系统

import javax.swing.ImageIcon; import javax.swing.JOptionPane; import javax.swing.JPanel;import javax.swing.JFrame;import javax.swing.JLabel;import java.awt.Color;import java.awt.Dimension;import java.awt.Rectangle;import java.awt.Toolkit;import java.util.Arrays;import javax.swing.JTextField;import javax.swing.JButton;public class SwingOk extends JFrame {private static final long serialVersionUID = 1L;private JPanel jContentPane = null;private JLabel jLabel_input = null;private JTextField jTextField_input = null;private JButton jButton_sure = null;private JButton jButton_sur = null;private JLabel jLabel_title = null;private JButton jButton_cancel = null;private JTextField str2[] = new JTextField[20];private JLabel str[] = new JLabel[20];private JLabel jLabel_2 = null;private JTextField jText = null;private int n=0;/*** This is the default constructor*/public SwingOk() {super();initialize();}/*** This method initializes this** @return void*/private void initialize() {this.setSize(315, 207);this.setContentPane(getJContentPane());this.setTitle("评分系统");this.setResizable(false);//设置不能更改大小((JPanel) this.getContentPane()).setOpaque(false);ImageIcon img = new ImageIcon("62.JPG");JLabel background = new JLabel(img);background.setSize(new Dimension(1024, 717));this.getLayeredPane().add(background, new Integer(Integer.MIN_V ALUE));background.setBounds(0, 0, img.getIconWidth(), img.getIconHeight());}/*** This method initializes jContentPane** @return javax.swing.JPanel*/private JPanel getJContentPane() {if (jContentPane == null) {jLabel_title = new JLabel();jLabel_title.setBounds(new Rectangle(73, 20, 159, 36));jLabel_title.setText("欢迎使用评委评分系统");jLabel_input = new JLabel();jLabel_input.setBounds(new Rectangle(40, 81, 112, 28));jLabel_input.setText("请输入评委人数：");jContentPane = new JPanel();jContentPane.setLayout(null);jContentPane.add(jLabel_input, null);jContentPane.add(getJTextField_input(), null);jContentPane.add(getJButton_sure(), null);jContentPane.add(jLabel_title, null);jContentPane.add(getJButton_cancel(), null);}return jContentPane;}/*** This method initializes jTextField_input** @return javax.swing.JTextField*/private JTextField getJTextField_input() {if (jTextField_input == null) {jTextField_input = new JTextField();jTextField_input.setBounds(new Rectangle(182, 81, 75, 27));jTextField_input.setToolTipText("请输入4到16的整数");/*** 下面创建快捷键enter*/jTextField_input.addKeyListener(new java.awt.event.KeyListener() { public void keyPressed(java.awt.event.KeyEvent e) {if (e.getKeyCode() == 10) {if(jButton_sure.getText().equals("重置")){jContentPane.remove(jLabel_2);jContentPane.remove(jText);jContentPane.remove(jButton_sur);jButton_sur=null;for(int i=1;i<=n;i++){jContentPane.remove(str[i]);jContentPane.remove(str2[i]);}jTextField_input.setEditable(true);jButton_sure.setText("确认");SwingOk.this.initialize();}else{String number = jTextField_input.getText();int i;for (i = 0; i < number.length(); i++) {if (number.charAt(i) >= '0' && number.charAt(i) <= '9');else {JOptionPane.showMessageDialog(null, "输入不合法");break;}}if (number.length() == 0) {JOptionPane.showMessageDialog(null, "不能为空");} else if (i >= number.length()) {n = Integer.parseInt(number);if (n <= 3 || n >= 16)JOptionPane.showMessageDialog(null, "输入不合法");else {jButton_sure.setText("重置");jTextField_input.setEditable(false);int y = 220;for (i = 1; i <= n; i++) {str[i] = new JLabel();str2[i] = new JTextField();if (i % 2 == 0) {str[i].setBounds(new Rectangle(160, y, 40, 24));str2[i].setBounds(new Rectangle(237, y, 43, 27));y += 50;} else {str[i].setBounds(new Rectangle(23, y, 40, 24));str2[i].setBounds(new Rectangle(87, y, 43, 27));}str[i].setText("评委" + i);str[i].setForeground(Color.green);str2[i].setText(String.valueOf(0));str2[i].setForeground(Color.blue);str2[i].setBackground(Color.lightGray);jContentPane.add(str[i], null);jContentPane.add(str2[i], null);}if (n % 2 != 0)y += 50;jLabel_2 = new JLabel();jLabel_2.setText("最终得分：");jLabel_2.setForeground(Color.red);jLabel_2.setBounds(new Rectangle(23, y, 159, 36));jContentPane.add(jLabel_2, null);jText = new JTextField();jText.setBounds(new Rectangle(100, y, 43, 27));jText.setEditable(false);jText.setForeground(Color.red);jContentPane.add(jText, null);jContentPane.add(getJButton_sur(y), null);SwingOk.this.setSize(315, 300 + ((n + 1) / 2) * 50);SwingOk.this.setVisible(true);}}}}}public void keyTyped(java.awt.event.KeyEvent e) {}public void keyReleased(java.awt.event.KeyEvent e) {}});}return jTextField_input;}/*** This method initializes jButton_sure** @return javax.swing.JButton*/private JButton getJButton_sure() {if (jButton_sure == null) {jButton_sure = new JButton();jButton_sure.setBounds(new Rectangle(52, 131, 75, 27));jButton_sure.setText("确定");jButton_sure.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent e) {if(jButton_sure.getText().equals("重置")){jContentPane.remove(jLabel_2);jContentPane.remove(jText);jContentPane.remove(jButton_sur);jButton_sur=null;for(int i=1;i<=n;i++){jContentPane.remove(str[i]);jContentPane.remove(str2[i]);}jTextField_input.setEditable(true);jButton_sure.setText("确认");SwingOk.this.initialize();}else{String number = jTextField_input.getText();int i;for (i = 0; i < number.length(); i++) {if (number.charAt(i) >= '0' && number.charAt(i) <= '9');else {JOptionPane.showMessageDialog(null, "输入不合法");break;}}if (number.length() == 0) {JOptionPane.showMessageDialog(null, "不能为空");} else if (i >= number.length()) {n = Integer.parseInt(number);if (n <= 3 || n >= 16)JOptionPane.showMessageDialog(null, "输入不合法");else {jButton_sure.setText("重置");jTextField_input.setEditable(false);int y = 220;for (i = 1; i <= n; i++) {str[i] = new JLabel();str2[i] = new JTextField();if (i % 2 == 0) {str[i].setBounds(new Rectangle(160, y, 40, 24));str2[i].setBounds(new Rectangle(237, y, 43, 27));y += 50;} else {str[i].setBounds(new Rectangle(23, y, 40, 24));str2[i].setBounds(new Rectangle(87, y, 43, 27));}str[i].setText("评委" + i);str[i].setForeground(Color.green);str2[i].setText(String.valueOf(0));str2[i].setForeground(Color.blue);str2[i].setBackground(Color.lightGray);jContentPane.add(str[i], null);jContentPane.add(str2[i], null);}if (n % 2 != 0)y += 50;jLabel_2 = new JLabel();jLabel_2.setText("最终得分：");jLabel_2.setForeground(Color.red);jLabel_2.setBounds(new Rectangle(23, y, 159, 36));jContentPane.add(jLabel_2, null);jText = new JTextField();jText.setBounds(new Rectangle(100, y, 43, 27));jText.setEditable(false);jText.setForeground(Color.red);jContentPane.add(jText, null);jContentPane.add(getJButton_sur(y), null);SwingOk.this.setSize(315, 300 + ((n + 1) / 2) * 50);SwingOk.this.setVisible(true);}}}}});}return jButton_sure;}/*** This method initializes jButton_cancel** @return javax.swing.JButton*/private JButton getJButton_cancel() {if (jButton_cancel == null) {jButton_cancel = new JButton();jButton_cancel.setBounds(new Rectangle(179, 131, 75, 27));jButton_cancel.setText("取消");jButton_cancel.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent e) {System.exit(0);}});}return jButton_cancel;}private JButton getJButton_sur(int y) {if (jButton_sur == null) {jButton_sur = new JButton();jButton_sur.setBounds(new Rectangle(175, y, 75, 27));jButton_sur.setText("确定");jButton_sur.addActionListener(new java.awt.event.ActionListener() {public void actionPerformed(java.awt.event.ActionEvent e) {int i=0;try {double a[] = new double[n];for (i = 0; i < n; i++) {a[i] = Double.parseDouble((str2[i + 1].getText()));}Arrays.sort(a);double sum = 0;for (i = 1; i < n - 1; i++){sum += a[i];System.out.println(a[i]);}sum = sum / (n - 2);System.out.println(sum);String s=Double.toString(sum);int end=s.indexOf('.')+3>s.length()?s.length():s.indexOf('.')+3;jText.setText(s.substring(0, end));} catch (NumberFormatException e1) {JOptionPane.showMessageDialog(null, "第"+(i+1)+"位评委输入有误！","警告",2);return ;}}});}return jButton_sur;}public static void main(String[] args) {SwingOk frame = new SwingOk();Center.centerFrame(frame);frame.setVisible(true);frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);}}class Center {public static void centerFrame(JFrame frame) {Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();Dimension frameSize = frame.getSize();if (frameSize.height > screenSize.height) {frameSize.height = screenSize.height;}if (frameSize.width > screenSize.width) {frameSize.width = screenSize.width;}frame.setLocation((screenSize.width - frameSize.width) / 2,(screenSize.height - frameSize.height) / 2);}}。