运行生成myeclipse的注册码
运行生成myeclipse的注册码
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) {
???????? }
???? }
?}
