答：因为时间有限,我只能给你思路了.首先新建一个配制文件.XML,.properties都可,设三个参数固定数字,日期,流水号.首先,写一个定时任务,每天00:00执行,用初始化这三个参数.再先一个UTIL类,这个类的功能就是读取流水号,给这个流水号+1,再把这个流水号...

答：Calendar calendar = Calendar.getInstance();System.out.println("现在："+calendar.getTime().getTime());calendar.add(Calendar.YEAR, 10);System.out.println("10年后："+calendar.getTime().getTime());输出： 现在：1404208483914 10年后...

答：订单号生成规则很多，比较常用的就是采用时间戳+随机数+序列号。 如：2015062615273130001 有问题欢迎提问，满意请采纳哦！

答：SQL Server 中设置自动增长，步长为1。 插入时，不要插入ID的值。 例如： my_table 表中有字段：id（主键自增），title，author，content 执行插入 String sql = "insert into my_table values ('"+title+"','"+author+"','"+content+"')"; ====...

答：为了30分： import java.text.SimpleDateFormat; import java.util.Date; public class Test { public static final String PREFIX = "DD"; private static long code; public static void main(String[] args) { System.out.println(Test.nextC...

答：UUID 把- 去了 String uuid = UUID.randomUUID().toString(); uuid.substring(0, 8)+uuid.substring(9,13)+uuid.substring(14,18)+uuid.substring(19,23)+uuid.substring(24);

答：/** * 得到一个新的订单代码 * 说明，此函数还没有进行过多线程测试，更新数据库时未加锁 * @return 新的订单代码 */ public String getOrderCode(){ //getParameter这个方法就是从数据库取2个参数的值 ORDER_CODE_DATE 和 //ORDER_CODE_NO是数...

Spenlow was very difficult to move from the beaten track Spenlow was very difficult to move from the beaten track You know what he was! I am disposed to think he had made no will

Spenlow was very difficult to move from the beaten track Spenlow was very difficult to move from the beaten track You know what he was! I am disposed to think he had made no will

"Wretched man, go, begone!" And a deep painful sigh burst from his bosom "Wretched man, go, begone!" And a deep painful sigh burst from his bosom"Away! begone!" These, her words,