Myeclipse8.5 subscription expired自己动手获取Myeclipse的注册码

去年安装了myeclipse8.5，也不知道上次注册多长时间了，近几天不能用了，注册码过期了，经常会弹出如下的提示对话框：

 

相当的恶心。从网上搜了很多注册码都不成功，今天看到一篇文章，自己获取注册码。

步骤：

1.在myeclipse中新建一个java project 

2.在src目录下建立一个名为MyEclipseGen的类

3.将下面的代码复制到该类中，并运行。

 

 

import java.io.*;     
    
public class MyEclipseGen {     
    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 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();     
                  }     
                  
                  public static void main(String[] args) {     
                      try {     
                          System.out.println("please input register name:");     
                          BufferedReader reader = new BufferedReader(new InputStreamReader(     
                                  System.in));     
                          String userId = null;     
                          userId = reader.readLine();     
                          MyEclipseGen myeclipsegen = new MyEclipseGen();     
                          String res = myeclipsegen.getSerial(userId, "20");     
                          System.out.println("Serial:" + res);     
                          reader.readLine();     
                     } catch (IOException ex) {     
                      }     
                 }     
             }   

 

4.按照提示输入注册名（自己随便输入即可），然后会自动产生注册码

5.打开“MyEclipse”----“subscription information”对话框，输入刚才产生的注册码和用户名即可。