a@马踏星空:=CONCATENATE(D2,E2,F2)拼接指定单元格内字符串,无分隔符
a@马踏星空:=CONCATENATE(I4,"-",E4)拼接指定单元格内字符串,指定分隔符-
a@马踏星空:=CONCATENATE("Nginx","-",I4,"-",E4)拼接指定单元格内字符串,指定分隔符-,再添加其它字符串