MyEclipse產生註冊碼，myeclipse產生

MyEclipse產生註冊碼，myeclipse產生

　　今天正在使用的MyEclipse出現了使用到期，在網上發現一個可以產生註冊碼的程式，現在分享給各位。

/** * myEclipse產生註冊碼 * 點擊頂部：MyEclipse -->  subscription information  即可進入update subscription介面 */public class Test {    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 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();                     Test myeclipsegen = new Test();                     String res = myeclipsegen.getSerial(userId, "0");                     System.out.println("Serial:" + res);                         reader.readLine();                 } catch (IOException ex) {                     System.out.println("出現異常");        }             }         }