MyEclipse8.0注册码生成代码

Posted 2022-11-23 Warren技术宅

import java.text.DecimalFormat;
 import java.text.NumberFormat;
 import java.text.SimpleDateFormat;
 import java.util.Calendar;


 
 public class CreateZhuCeMa
  public static final void main(String[] args)
   String id = "ccc"; // 可更给为您的名字
   String num = "1";// 许可证数量
   System.out.println(getSerial(id, "100", num, false));
 


  public static String getSerial(String userId, String version, String licenseNum, boolean selected)
   Calendar cal = Calendar.getInstance();
   cal.add(1, 3);
   cal.add(6, -1);
   NumberFormat nf = new DecimalFormat("000");
   licenseNum = nf.format(Integer.valueOf(licenseNum));
   String verTime = selected ? (new StringBuffer("-")).append((new SimpleDateFormat("yyMMdd")).format(cal.getTime())).append("0").toString() :


        "-1612310";//表示20161231，可改为自己需要的日期


   String type = "YE3MB-";
   String need = (new StringBuffer(String.valueOf(userId.substring(0, 1)))).append(type).append(version).append(licenseNum).append(verTime).toString();
   String dx = (new StringBuffer(String.valueOf(need))).append("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.").append(userId).toString();
   int suf = decode(dx);
   String code = (new StringBuffer(String.valueOf(need))).append(String.valueOf(suf)).toString();
   return change(code);
 


  private static int decode(String s)
   int i = 0;
   char ac[] = s.toCharArray();
   int j = 0;
   for (int k = ac.length; j < k; j++)
    i = 31 * i + ac[j];
   return Math.abs(i);
 


  private static String change(String s)
   byte abyte0[] = s.getBytes();
   char ac[] = new char[s.length()];
   int i = 0;
   for (int k = abyte0.length; i < k; i++)
    int 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;
   
   return String.valueOf(ac);