这个很简单,如果A1为10:00,B1为12:00,在C1单元格录入公式:=CONCATENATE(TEXT(A1,"h:mm"),"-",TEXT(B1,"h:mm"))解释:(TEXT(A1,"h:mm")把A1单元格转换成文本格式的11:00TEXT(B1,"h:mm")把B1单元格转换成文本格式的12:00CONCATENATE是合并字符串,即把“11:00”“-”和“12:00”合并成“11:00-12:00”