my ecplice自动生成序列号

1、新建一个java project.名称自定（符合规定）



2、在src上右键新建一个类。名称自定这里名称为MyEcelipseGen。


 
3、删除.java中的代码，将以下的代码粘贴进去（注意修改名称），右键Run as .
import java.io.*;
 
publicclassMyEcelipseGen {
privatestaticfinal 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();
returnthis.change(code); }
privateint 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 = newchar[s.length()];
i = 0;
k = abyte0.length;
while (i < k) {
j = abyte0[i];
if ((j >= 48) && (j <= 57)) {
j = (((j - 48) + 5) % 10) + 48;
} elseif ((j >= 65) && (j <= 90)) {
j = (((j - 65) + 13) % 26) + 65;
} <
4000
span style="color:#7f0055;">elseif ((j >= 97) && (j <= 122)) {
j = (((j - 97) + 13) % 26) + 97;
}
ac[i] = (char) j;
i++;
}
return String.valueOf(ac);
}
public MyEcelipseGen() {
super();
}
 
publicstaticvoid 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();
MyEcelipseGen myeclipsegen = new MyEcelipseGen();
String res = myeclipsegen.getSerial(userId,
"20");
System.out.println("Serial:" + res);
reader.readLine();
} catch (IOException ex) {
}
}
}

4、在提示后，输入名称（名称要符合规定的英文字母），复制Serial后的序列号。


 

5、选择MyEclipse下的subscription information。



6、在弹出的页面上输入名称，和已经生成的序列号，点击Finish。