用Java程序语言如何实现打印MyEclipse注册机序列号

作者:源码世界时间:2014-03-13分类:程序员碎语评论:0浏览:6363
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: 

×××××(输入你的name,随便什么) 

即生成序列号: ××××× ××××× ×××××... 

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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