ABAP通过OLEDB读取本地Access(MDB)文件

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INCLUDE ole2incl.

CONSTANTS: provider(40)  VALUE 'Provider=Microsoft.Jet.OLEDB.4.0',
           security(40)  VALUE 'Persist Security Info=False',
           datasource(30) VALUE 'Data Source=D:\db1.mdb'.
DATA: o_conn      TYPE ole2_object,
      o_recordset TYPE ole2_object,
      o_field     TYPE ole2_object.
DATA: con_str(128) ,sql_str(400).
DATA: BEGIN OF ty_itab OCCURS 0,
        mandt LIKE t001-mandt ,
        bukrs LIKE t001-bukrs ,
        butxt LIKE t001-butxt ,
      END OF ty_itab.
DATA: itab LIKE TABLE OF  ty_itab WITH HEADER LINE.

START-OF-SELECTION.
  PERFORM oledb_open.
  PERFORM sql_select.
  PERFORM sql_update.
  PERFORM sql_close.

*&---------------------------------------------------------------------*
*&      Form  oledb_open
*&---------------------------------------------------------------------*
FORM oledb_open.
  CONCATENATE  provider ';' security ';' datasource INTO con_str.
  CREATE OBJECT o_conn 'ADODB.Connection'.
  SET PROPERTY OF o_conn 'Provider' = provider.
  SET PROPERTY OF o_conn 'ConnectionString' = con_str.
  CALL METHOD OF o_conn 'Open'.
ENDFORM.                    "OLEDB_open

*&---------------------------------------------------------------------*
*&      Form  sql_select
*&---------------------------------------------------------------------*
FORM sql_select .
  DATA: rs_eof TYPE i.

  sql_str = 'select mandt, bukrs,butxt from TEST_ZTEST'.
  CALL METHOD OF o_conn 'Execute' = o_recordset
    EXPORTING
    #1 = sql_str.

  GET PROPERTY OF o_recordset 'EOF' = rs_eof.
  REFRESH itab.

  WHILE rs_eof NE 1.
    CALL METHOD OF o_recordset 'fields' = o_field
      EXPORTING
      #1 = 0.
    GET PROPERTY OF o_field 'Value' = itab-mandt.

    CALL METHOD OF o_recordset 'fields' = o_field
      EXPORTING
      #1 = 1.
    GET PROPERTY OF o_field 'Value' =  itab-bukrs.

    CALL METHOD OF o_recordset 'fields' = o_field
      EXPORTING
      #1 = 2.
    GET PROPERTY OF o_field 'Value' = itab-butxt.

    APPEND itab.

    CALL METHOD OF o_recordset 'MoveNext'.
    GET PROPERTY OF o_recordset 'EOF' = rs_eof.
  ENDWHILE.
  LOOP AT itab.
    WRITE: / itab-mandt,itab-bukrs,itab-butxt.
  ENDLOOP.
ENDFORM.                    "sql_select
*&---------------------------------------------------------------------*
*&      Form  sql_update
*&---------------------------------------------------------------------*
FORM sql_update .
  CONCATENATE 'update TEST_ZTEST set butxt=' '''' 'SAP AG' ''''
              ' where bukrs=' '''' '2005' '''' INTO sql_str.
  CALL METHOD OF o_conn 'Execute' = o_recordset
    EXPORTING
    #1 = sql_str.
ENDFORM.                    "sql_update

*&---------------------------------------------------------------------*
*&      Form  sql_close
*&---------------------------------------------------------------------*
FORM sql_close.
  CALL METHOD OF o_recordset 'Close'.
  CALL METHOD OF o_conn 'Close'.
  FREE OBJECT o_recordset.
  FREE OBJECT o_conn.
ENDFORM.                    "sql_close

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