使用date -d 选项： date +"%Y%m%d" -d "+n days" 今天的后n天日期 date +"%Y%m%d" -d "-n days" 今天的前n天日期 比如： [root@localhost riqi]# date +"%Y-%m-%d %H:%M:%S" 2012-07-18 05:17:01 [root@localhost riqi]# date +"%Y-%m-%d %H:%M:%S" -d "+10hour" 2012-07-18 15:17:16 [root@localhost riqi]# date +"%Y-%m-%d %H:%M:%S" -d "+24hour" 2012-07-19 05:17:37 [root@localhost riqi]# date +"%Y-%m-%d %H:%M:%S" -d "-24hour" 2012-07-17 05:17:45 [root@localhost riqi]# date +"%Y-%m-%d %H:%M:%S" -d "-20minute" 2012-07-18 04:58:00 [root@localhost riqi]# date +"%Y-%m-%d %H:%M:%S" -d "+20minute" 2012-07-18 05:38:05 [root@localhost riqi]# date +"%Y-%m-%d %H:%M:%S" -d "+2day" 2012-07-20 05:18:15 [root@localhost riqi]# date +"%Y-%m-%d %H:%M:%S" -d "-2day" 2012-07-16 05:18:19 [root@localhost riqi]# date +"%Y-%m-%d %H:%M:%S" -d "-2month" 2012-05-18 05:18:24 [root@localhost riqi]# date +"%Y-%m-%d %H:%M:%S" -d "+2month" 2012-09-18 05:18:28 [root@localhost riqi]# date +"%Y-%m-%d %H:%M:%S" -d "+2year" 2014-07-18 05:18:32 [root@localhost riqi]# date +"%Y-%m-%d %H:%M:%S" -d "-2year" 2010-07-18 05:18:36 |
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