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【Java】打印MyEclipse注册机序列号

作者:深沉500 / 发布于2014/1/6/ 512

import java.io.BufferedReader;  
import java.io.IOException;  
import java.io.InputStreamReader;  
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, "5");  
  System.out.println("Serial:" + res);  
  reader.readLine();  
 } catch (IOException ex) {  
 }  
}  
} 
新建Java项目，复制该代码新建类MyEclipseGen，运行该代码，在控制台中会出现：

please input register name:

&times;&times;&times;&times;&times;（输入你的name,随便什么）

即生成序列号： &times;&times;&times;&times;&times; &times;&times;&times;&times;&times; &times;&times;&times;&times;&times;...

进入myeclipse,在菜单中选择 Myeclipse->Subscription Information 然后 输入Subscriber和Subscription code即可。

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