SELECTto_char(to_date('2012-12-2622:22:44','yyyy-mm-ddhh24:mi:ss'),'MMDDYYYY:HH24:MI:SS')date1,to_char(to_date('2012-12-2722:22:44','yyyy-mm-ddhh24:mi:ss'),

通过host命令测试$hostwww.baidu.com192.168.3.102Usingdomainserver:Name:192.168.3.102Address:192.168.3.102#53Aliases:www.baidu.comisanaliasforwww.a.shifen.com.www.a.shifen.comhasaddress14.119.104.189www.a.shifen.comhasaddress14.119.

//JS计算两个时间戳相差年月日时分秒calculateDiffTime(startTime,endTime,type){varrunTime=parseInt(endTime-startTime)varyear=Math.floor(runTime/

10000-79999500-9^\d$10-49^[1-4]\d$10010-99^[1-9]\d$0-9^\d$864000-9^\d$10-79999^[1-9]\d{1,4}$80000-85999^8[0-5]{3}$86000-86399^86[0-3