下拉框是自定义的季度1-4,现在需要给个默认值,取的值是当前时间所在季度的上个季度
这个怎么写啊?
if(ROUNDUP(month(today())/3)=1,4,ROUNDUP(month(today())/3)-1)
month(today())/3-1
roundup(month(monthdelta(today(),-3))/3,0)