myeclipse 免费 注册码 生成 代码

方法一
package https://www.wendangku.net/doc/2a14815692.html,c.key.gen;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.Scanner;

/**

* MyEclipse(8.0,7.5,7.0,6.5,6.0...)的注册码生成代码

*

*

* @author ShunLi

* @Time 2009-12-25

*/

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 (https://www.wendangku.net/doc/2a14815692.html,/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 MyEclipseKeyGen()

{

}

/**

* 具体的Subscription Code生成算法

*

* @param userId

* (Subscriber)

* @param licenseNum

* @return Subscription Code

*/

public String getSerial(String subscriber, String licenseNum)

{

java.util.Calendar cal = java.util.Calendar.getInstance();// 获得当前日期

cal.add(1, 3);// +3年

cal.add(6, -1);// 当前日-1

java.text.NumberFormat nf = new java.text.DecimalFormat("000");

licenseNum = nf.format(Integer.valueOf(licenseNum));// licenseNum格式化成三位数字

String verTime = new StringBuilder("-").append(

new java.text.SimpleDateFormat("yyMMdd").format(cal.getTime()))

.append("0").toString();// 日期

String type = "YE3MP-";

String need = new StringBuilder(subscriber.substring(0, 1))

.append(type).append("300").append(licenseNum).append(verTime)

.toString();// 初步注册信息

String dx = new StringBuilder(need).append(LL).append(subscriber)

.toString();

int suf = this.decode(dx);// 编码初步注册信息

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();// 把s转化为单个字符数组

j = 0;

k = ac.length;

while (j < k)

{

i = (31 * i) + ac[j];//加密算法，不理解为什么这样子？有可能就是这样子定义的

j++;

}

System.out.println();

return Math.abs(i);//取绝对值

}

/**

* 变化原则是

* 把数字（10个）或者字母表（大小写个26个）折半对调（两个相互改变），也即

* 0与5对调（0变5，5变0）

* A与N，a与n对调

* @param 原字符串

* @return 变化后的字符串

*/

private String change(String s)

{

byte[] abyte0;

char[] ac = null;

int i;

int k;

int j;

abyte0 = s.getBytes();

ac = new char[abyte0.length];

i = 0;

k = abyte0.length;

while (i < k)

{

j = abyte0[i];

if ((j >= 48) && (j <= 57))// 0-9,实现01234和56789相应的相互对调，也即

0与5对调，1与6对调

{

j = (((j - 48) + 5) % 10) + 48;

} else if ((j >= 65) && (j <= 90))// A-Z

{

j = (((j - 65) + 13) % 26) + 65;

} else if ((j >= 97) && (j <= 122))// a-z

{

j = (((j - 97) + 13) % 26) + 97;

}

ac[i] = (char) j;

i++;

}

return String.valueOf(ac);

}

/**

* 主方法，首先调用，产生注册码(Subscription Code)

*

* @param args

*/

public static void main(String[] args)

{

// 输入中文会出现一些中文乱码问题

// 输入中文，一个是由于工程设置的字符集有可能会出现乱码，第二个是后面的getBytes对不同的字符会出现不同的处理形式而导致的中文乱码

// 所以大家也就没有办法设置中文用户名了，如果有高手解决了，请通知我（QQ：506817493，E：leeshunli@https://www.wendangku.net/doc/2a14815692.html,），谢谢

System.out.print("请输入注册的用户名(不支持中文):");

Scanner scanner = new Scanner(System.in);//输入流

String subscriber = scanner.nextLine();//读下一行字符串

MyEclipseKeyGen myeclipseKeyGen = new MyEclipseKeyGen();//实例化

String subscription_Code = myeclipseKeyGen.getSerial(subscriber, "1");// 后面的参数是一个数字类型的字符串,数字范围为0-999

System.out.println("\n" + "MyEclipse注册码生成的结果如下" + "\n");

System.out.println("Subscriber:" + subscriber);

System.out.println("Subscription Code:" + subscription_Code);

/**

* 下面的是JDK1.5以前的写法，JDK1.5及以上版本的请看上面更好的写法

*/

/*

* BufferedReader reader = null; try {

* System.out.println("请输入注册的用户名(不支持中文):"); reader = new

* BufferedReader(new InputStreamReader(System.in)); String subscriber =

* null; subscriber = reader.readLine(); System.out.println(subscriber);

*

* MyEclipseKeyGen myeclipseKeyGen = new MyEclipseKeyGen(); String

* subscription_Code = myeclipseKeyGen.getSerial(subscriber, "1");//

* 后面的参数是一个数字类型的字符串,数字范围为0-999 // System.out.println("注册生成的结果如下");

* System.out.println("Subscriber:" + subscriber);

* System.out.println("Subscription Code:" + subscription_Code);

* reader.readLine();

*

* } catch (IOException ex) { ex.printStackTrace(); } finally { if

* (reader != null) { try { reader.close(); } catch (IOException e) {

* e.printStackTrace(); } reader = null; } }

*/

}

}

方法二
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 (https://www.wendangku.net/doc/2a14815692.html,/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 bette

r 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, "20");
System.out.println("Serial:" + res);
reader.readLine();
} catch (IOException ex) {
}
}
}