readNumericCell 可以加上日期判断
if (DateUtil.isCellDateFormatted(cell)) {
final Date date = DateUtil.getJavaDate(cell.getNumericCellValue(), TimeZone.getDefault());
return new Timestamp(date.getTime()).toString();
}
import org.apache.poi.ss.usermodel.DateUtil; import java.sql.Timestamp; import java.util.Date;