打开EXCEL,任意单元格输入公式:
="AA"&MID(ROUND(RAND(),9),3,9)
得到的就是前两位是AA,后面是9位随机数字。
3个字母:
=REPT(CHAR(RANDBETWEEN(65,90)),3)&TEXT(RANDBETWEEN(1,99999999),"00000000")
2个字母:
=REPT(CHAR(RANDBETWEEN(65,90)),2)&TEXT(RANDBETWEEN(1,999999999),"000000000")
="A1B"&RIGHT(A1&MID(A2,3,4),8)
A列先用rand生成一个随机数