P62.子过程Ps完成对当前库中教师表的工龄字段都加的操作 Sub Plus() Dim ws As DAO.Workspace Dim db As DAO.database Dim rs As DAO.recordset Dim fd As DAO.Field Set db= CurrentDb() Set rs=db. Open Recordset("教师表") Sefd= rs Fields(工龄) Do While Not rs EOF rs.Edit 【】 rs.Update rs.Move Next Loop rs.close db.Close Set rs Nothing Set db= nothing End Sub 程序空白处应该填写的语句是