myEclipse6.5 注册程序
package com.test; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JTextField; /** * @author yibu * */ public class MyEclipseGen extends JFrame implements ActionListener { private static final String LL = "Decompiling this copyrighted software is a violation of both your license agreement and the Digital Millenium Copyright Act of 1998 (http://www.loc.gov/copyright/legislation/dmca.pdf). Under section 1204 of the DMCA, penalties range up to a $500,000 fine or up to five years imprisonment for a first offense. Think about it; pay for a license, avoid prosecution, and feel better about yourself."; public JLabel title, lkey, lvlues; public JTextField keys, vlues; public JButton enter, exit; public String getSerial(String userId, String licenseNum) { java.util.Calendar cal = java.util.Calendar.getInstance(); cal.add(1, 3); cal.add(6, -1); java.text.NumberFormat nf = new java.text.DecimalFormat("000"); licenseNum = nf.format(Integer.valueOf(licenseNum)); String verTime = new StringBuilder("-").append( new java.text.SimpleDateFormat("yyMMdd").format(cal.getTime())) .append("0").toString(); String type = "YE3MP-"; String need = new StringBuilder(userId.substring(0, 1)).append(type) .append("300").append(licenseNum).append(verTime).toString(); String dx = new StringBuilder(need).append(LL).append(userId) .toString(); int suf = this.decode(dx); String code = new StringBuilder(need).append(String.valueOf(suf)) .toString(); return this.change(code); } private int decode(String s) { int i; char[] ac; int j; int k; i = 0; ac = s.toCharArray(); j = 0; k = ac.length; while (j < k) { i = (31 * i) + ac[j]; j++; } return Math.abs(i); } private String change(String s) { byte[] abyte0; char[] ac; int i; int k; int j; abyte0 = s.getBytes(); ac = new char[s.length()]; i = 0; k = abyte0.length; while (i < k) { j = abyte0[i]; if ((j >= 48) && (j <= 57)) { j = (((j - 48) + 5) % 10) + 48; } else if ((j >= 65) && (j <= 90)) { j = (((j - 65) + 13) % 26) + 65; } else if ((j >= 97) && (j <= 122)) { j = (((j - 97) + 13) % 26) + 97; } ac[i] = (char) j; i++; } return String.valueOf(ac); } public MyEclipseGen() { super("MyEclipseGen 6.5 注册机"); this.setLayout(null); title = new JLabel("MyEclipseGen 6.5 注册机");// title 为MyEclipseGen 6.5 // 注册机 title.setBounds(120, 20, 150, 30); lkey = new JLabel("Key :"); lkey.setBounds(30, 80, 50, 30); keys = new JTextField(); keys.setBounds(80, 80, 260, 30); lvlues = new JLabel("Value :"); lvlues.setBounds(30, 130, 50, 30); vlues = new JTextField(); vlues.setBounds(80, 130, 260, 30); enter = new JButton(" 确 定 "); enter.addActionListener(this); exit = new JButton(" 退 出 "); exit.addActionListener(this); enter.setBounds(80, 180, 80, 30); exit.setBounds(230, 180, 80, 30); this.setDefaultCloseOperation(EXIT_ON_CLOSE);// 关闭窗口 this.setResizable(false);// 最大化 this.setLocationRelativeTo(null);// 居中 this.add(title); this.add(lkey); this.add(keys); this.add(lvlues); this.add(vlues); this.add(enter); this.add(exit); this.setSize(400, 300); this.setVisible(true); } public static void main(String[] args) { new MyEclipseGen(); } public void actionPerformed(ActionEvent e) { if (e.getSource() == enter) { if (keys.getText() == null) { System.out.println("0--"); JOptionPane.showMessageDialog(null, "信息不能为空"); } else { String res = this.getSerial(keys.getText(), "5"); vlues.setText(res); } } if (e.getSource() == exit) { int chose = JOptionPane.showConfirmDialog(null, "你真的要退出吗", "系统警告", JOptionPane.ERROR_MESSAGE);// 两个按钮一个确定,一个取消 if (chose == JOptionPane.YES_OPTION) { System.exit(1); } } } }