MyEclipse过期解决方案

//步骤：
	//把下列代码复制到类（新建Java Project,然后新建一个类，类名名为MyEclipseGen）
	//代码运行后控制台（Console）出现的一行字符串  复制下来
	//然后在菜单栏找到MyEclipse ---- subscription information
	//会弹出Update Subscription Wizard

	//Subscriber：tianshansangong（复制）
	//subscription Code :（填写控制台（Console）出现的一行字符串）



import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
public class MyEclipseGen {
	public static final void main(String[] args){
		String subscriber = "tianshansangong";  //subscriber
		String licenseNum = "500";  //Number of Licenses
		String version = "100"; //版本号
		String subscriptionCode = getSubscriptionCode(subscriber, version , licenseNum ,true);
		System.out.println(subscriptionCode);  //gLR8ZO-655055-62677056522757051
		}
	public static String getSubscriptionCode(String subscriber, String version,
			String licenseNum, boolean selected) {
		Calendar cal = Calendar.getInstance();
		cal.add(1, 3);  //年份加三年
		cal.add(6, -1);  //日期减一
		//当前日期20141226，到期日期则为20171225
		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

(subscriber.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(subscriber).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);
		}
	
	}