************************************************************************************************
*
在Myeclipse中建立一个Java
project，然后建立一个java类文件，将下面代码复制进去，然后运行，随
*
便输入一个Subscriber，然后按回车键，即可生成Subscription
code。
************************************************************************************************
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.";//定义一个String字符串
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); //输出序列号信息
reader.readLine();
} catch (IOException ex) {
}
}
}
************************************************************************************************
运行结果如下所示：
please input
register name:
abc
Serial:nLR8ZC-855575-6066635311033717
|
加载中，请稍候......
加载中…
(2012-11-19 09:25:36)