sum e2单元格 如何判断E2有空的 即为空 否则sum(e2)
if(len(e2)=0,"",sum(e2))
或
if(count(GREPARRAY(SPLIT(e2,","),len(item)=0))>0,"",sum(e2))
IF(FIND(" ",SPLIT(A6,","))>0," ",SUM(A6))