在book1表的F2单元格输入如下公式:
=IF(COUNTIF(INDIRECT("book2!B"&B2+1&":E"&B2+1),A2)=1,B2&"、","")&IF(COUNTIF(INDIRECT("book2!B"&C2+1&":E"&C2+1),A2)=1,C2&"、","")&IF(COUNTIF(INDIRECT("book2!B"&D2+1&":E"&D2+1),A2)=1,D2&"、","")&IF(COUNTIF(INDIRECT("book2!B"&E2+1&":E"&E2+1),A2)=1,E2&"、","")
然后下拉即可
同样,在book2表的F2单元格中也输入类似的公式,只要把公式中的book2替换成成book1即可