Calendar c = Calendar.getInstance(); c.setTime(cur); //设置时间 c.add(Calendar.MINUTE, 1); //日期分钟加1,Calendar.DATE(天),Calendar.HOUR(小时) Date date = c.getTime(); //结果 Calendar cal = Calendar.getInstance();cal.setTime(d1);cal.add(Calendar.MINUTE, 30);Date d
查看时区: mysql> show variables like '%time_zone%'; +------------------+--------+ | Variable_name | Value | +------------------+--------+ | system_time_zone | CST | | time_zone | SYSTEM | +------------------+--------+ rows in set (0.02 sec) 查看当前时间也正常: my
在数据同步过程中,客户担心在源端误操作,比如truncate, drop, delete all等,在目标端也会立即同步,而无法挽救损失:因此,客户希望是目标端的数据比源端要慢一个时间点. 解决方案:在ogg的replicat参数中使用 DEFERAPPLYINTERVAL <n><unit> Specifies a length of time for Replicat to wait before applying replicated operations to the t
public class CalendarCal { /** * 与当前时间比较,得到多少年,多少月,多少天前,多少小时前,多小分钟前 * * @param calendar * 与当前时间比较的日期值 * @return 格式化之后的字符串 */ public String getDateCompareNow(Calendar calendar) { Calendar cal = Calendar.getInstance(); int year = ca