|  |  | 
 |  |  |     public static final String SALT = "123456789qwertyu"; | 
 |  |  |  | 
 |  |  |     // 系统激活状态 (默认未激活) | 
 |  |  |     public static boolean SYSTEM_ACTIVATION = Boolean.FALSE; | 
 |  |  | //    public static boolean SYSTEM_ACTIVATION = Boolean.FALSE; | 
 |  |  |     public static boolean SYSTEM_ACTIVATION = Boolean.TRUE; | 
 |  |  |  | 
 |  |  |     public static String getActivationCode(String fileName){ | 
 |  |  |         StringBuilder activationCode = new StringBuilder(); | 
 |  |  | 
 |  |  |  | 
 |  |  |     // 生成激活码 | 
 |  |  |     public static void main(String[] args) { | 
 |  |  |         String timeStr = "2020-08-01 17:48:35"; | 
 |  |  |         String timeStr = "2021-08-01 17:48:35"; | 
 |  |  |         Date exprTime = DateUtils.convert(timeStr); | 
 |  |  |         String code = AesUtils.encrypt(DateUtils.convert(exprTime, DateUtils.yyyyMMddHHmmss), SystemProperties.SALT); | 
 |  |  |         System.out.println("激活码:"+code); |