奇偶校验实验

import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; public class OddEvenFrame{ public static void main(String args[]){ new OEWindow(); } } class OEWindow extends JFrame implements ActionListener{ /**奇偶校验 * author:欧晓燕 */ private static final long serialVersionUID = 7943932166620893049L; JButton[] button = new JButton[6*11]; OEWindow(){ for(int i = 0;i < button.length;i++){ int rd=Math.random()>0.5?1:0; button[i] = new JButton(""+rd); this.add(button[i]); if(i == 65) button[i].setText("清零"); if((i < 54 && i != 10 && i != 21 && i != 32 && i != 43 && i != 54)||i == 65) button[i].addActionListener(this); } //产生校验位 for(int i = 0;i < 5;i++) getRow(i); for(int i = 0;i < 10;i++) getColumn(i); //网格布局 this.setLayout(new GridLayout(6,11,2,2)); this.setTitle("奇偶校验"); this.setVisible(true); this.pack(); this.setResizable(false); this.setLocationRelativeTo(null); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } @Override public void actionPerformed(ActionEvent e) { // TODO 自动生成的方法存根 int dex; JButton textSource = (JButton)e.getSource(); if(textSource == button[65])//清零 for(int i = 0;i < button.length - 1;i++) button[i].setText("0"); else{ for(dex = 0;dex < 65;dex++) if(textSource == button[dex]) break; textSource.setText(textSource.getText().equals("1") ? "0" : "1"); //更新校验位 getRow(dex / 11); getColumn(dex % 11); } } //计算横行的校验位 public void getRow(int r){ int num = 0; for(int i = 11*r;i < 11*r+10;i++) if(button[i].getText().equals("1")) num += 1; button[11*r+10].setText((num%2 == 1) ? "result:1" : "result:0"); } //计算竖行的校验位 public void getColumn(int c){ int num = 0; for(int i = c;i <= c + 44;i += 11) if(button[i].getText().equals("1")) num += 1; button[c+55].setText((num%2 == 1) ? "result:1" : "result:0"); } }