用Ex cel 建立人事数据管理系统 一、身份证判断性别、出生日期、年龄 (1)性别: =IF(MOD(IF(LEN(E3)=15,MID(E3,15,1),MID(E3,17,1)),2)=1,"男","女") =IF(MOD(IF(LEN(E3)=15,MID(E3,15,1),IF(LEN(E3)=18,MID(E3,17,1))),2)=1,"男","女") (2)出生年月: =DATE(MID(E3,7,4),MID(E3,11,2),MID(E3,13,2)) =IF(LEN(E3)=15,DATE(MID(E3,7,2),MID(E3,9,2),MID(E3,11,2)),IF(LEN(E3)=18,DATE(MID(E3,7,4),MID(E3,11,2),MID(E3,13,2)))) =IF(LEN(E3)=15,DATE(MID(E3,7,2),MID(E3,9,2),MID(E3,11,2)),IF(LEN(E3)=18,DATE(MID(E3,7,4),MID(E3,11,2),MID(E3,13,2)))) (3)年龄: =DATEDIF(G3,TODAY(),"Y") 二、劳动合同期限的自动生成和提前 30 天定期提醒功能设置 (1)试用期到期时间: =DATE(YEAR(P3),MONTH(P3)+3,DAY(P3)-1) (2)劳动合同到期时间: =DATE(YEAR(P3)+1,MONTH(P3),DAY(P3)-1) (3)续签合同到期时间: =DATE(YEAR(S3)+1,MONTH(S3),DAY(S3)) (4)试用期提前 7 天提醒: =IF(DATEDIF(TODAY(),Q3,"d")=7,"试用期快结束了","") (5)提前 30 天提醒: =IF(DATEDIF(TODAY(),S4,"m")=1,"该签合同了","