MyEclipse8.5生成注册序列号

来源：互联网发布：java json遍历编辑：程序博客网时间：2024/05/16 12:45
新建java工程运行代码
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;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 Test() {             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();                  Test myeclipsegen = new Test();                  String res = myeclipsegen.getSerial(userId, "5");                  System. out.println("Serial:" + res);                  reader.readLine();            } catch (IOException ex) {            }      }}
文章转自：http://blog.renren.com/blog/355134693/880511051
0 0