=A2&"-"&B2&"-"&C2
解法1:我切切切切 ▼ =YEAR(A2) &"-" &MONTH(A2) &"-" &DAY(A2)&"-"&B2&"-"&C2
解法2:整个容吧大弟 ▼ =TEXT(A2,"yyyy-m-d")&"-"&B2&"-"&C2
解法3:CONCATENATE ▼ =CONCATENATE(TEXT(A2,"yyyy-m-d-"),B2,"-",C2)
解法4:CONCAT ▼ =CONCAT(TEXT(A2:C2,"yyyy-m-d;-@"))
解法4:TEXTJOIN ▼ =TEXTJOIN("-",1,TEXT(A2:C2,"yyyy-m-d"))
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