MyEclipse Blue Edition 6.5 注册码生成程序

import java.text.DecimalFormat;  

import java.text.NumberFormat;  

import java.text.SimpleDateFormat;  

import java.util.Calendar; 

public class Crack {  

    public static final void main(String[] args){  

        String id="iMake";  

        String num="500";  

        System.out.println(getSerial(id,"100",num,true));  

    }  

    public static String getSerial(String userId, String version,  

            String licenseNum, boolean selected) {  

        Calendar cal = Calendar.getInstance();  

        cal.add(1, 3);  

        cal.add(6, -1);  

        NumberFormat nf = new DecimalFormat("000");  

        licenseNum = nf.format(Integer.valueOf(licenseNum));  

        String verTime = selected ? (new StringBuffer("-")).append(  

                (new SimpleDateFormat("yyMMdd")).format(cal.getTime())).append(  

                "0").toString() : "-0812310";  

        String type = "YE3MB-";  

        String need = (new StringBuffer(String.valueOf(userId.substring(0, 1))))  

                .append(type).append(version).append(licenseNum)  

                .append(verTime).toString();  

        String dx = (new StringBuffer(String.valueOf(need)))  

                .append(  

                        "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.")  

                  

                        .append(userId).toString();  

        int suf = decode(dx);  

        String code = (new StringBuffer(String.valueOf(need))).append(  

                String.valueOf(suf)).toString();  

        return change(code);  

    } 

    private static int decode(String s) {  

        int i = 0;  

        char ac[] = s.toCharArray();  

        int j = 0;  

        for (int k = ac.length; j < k; j++)  

            i = 31 * i + ac[j]; 

        return Math.abs(i);  

    } 

    private static String change(String s) {  

        byte abyte0[] = s.getBytes();  

        char ac[] = new char[s.length()];  

        int i = 0;  

        for (int k = abyte0.length; i < k; i++) {  

            int 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;  

        } 

        return String.valueOf(ac);  

    }

}

    特别注意，将selected值设置为true即可。