生成MyEclipse8.5注册码的Java源码 生成MyEclipse8.5注册码的java源码 MyEclipseKeyGen MyEclipse8.5注册机 MyEclipse8.5注册码生成

    import java.io.BufferedReader;  

    import java.io.IOException;  

    import java.io.InputStreamReader;  

      

    public class MyEclipseKeyGen {  

        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 MyEclipseKeyGen() {  

            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();  

                MyEclipseKeyGen myeclipsekeygen = new MyEclipseKeyGen();  

                String res = myeclipsekeygen.getSerial(userId, "5");  

                System.out.println("Serial:" + res);  

                reader.readLine();  

            } catch (IOException ex) {  

            }  

        }  

    }