SAPMF02D EXIT_SAPMF02D_001 函数出口增强

EXIT_SAPMF02D_001   用户在保存前退出检查

业务需求：客户付款条件更改并联动更改其销售付款条件（TCODE:XD03-VA03）

*&---------------------------------------------------------------------*
*&  包括                ZXF04U01
*&---------------------------------------------------------------------*
IF i_knb1-bukrs = '6666' .
  DATA:bdcdata LIKE bdcdata    OCCURS 0 WITH HEADER LINE.  "用来存储屏幕字段参数值,传递录屏参数
  DATA:messtab LIKE bdcmsgcoll OCCURS 0 WITH HEADER LINE.  "记录执行BDC过程中产生的消息
  DATA:result_mesg TYPE TABLE OF string WITH HEADER LINE.  "结果信息
  DATA:zterm_i TYPE dzterm. "付款条件代码
  DATA:lfstkc TYPE c. "付款条件代码
  DATA:BEGIN OF vbelns OCCURS 0, "销售和分销凭证号VBELN_VA
    vbeln TYPE vbeln_va,
    END OF vbelns.
  DATA:i_inact LIKE jest-inact.
  DATA:i_objnr LIKE jest-objnr.

  DEFINE bdc_dynpro.
    clear bdcdata.
    bdcdata-program  = &1.
    bdcdata-dynpro   = &2.
    bdcdata-dynbegin = 'X'.
    append bdcdata.
  END-OF-DEFINITION.
  DEFINE bdc_field.
    clear bdcdata.
    bdcdata-fnam = &1.
    bdcdata-fval = &2.
    append bdcdata.
  END-OF-DEFINITION.


  SELECT SINGLE zterm INTO zterm_i FROM knb1 WHERE kunnr = i_knvv-kunnr AND bukrs = i_knb1-bukrs. "查询原本的付款条件

  IF i_knb1-zterm <> zterm_i.
    SELECT vbeln INTO CORRESPONDING FIELDS OF TABLE vbelns FROM vbak WHERE kunnr = i_knb1-kunnr.

    LOOP AT vbelns.
      CLEAR:i_inact,i_objnr,lfstkc.
      SELECT SINGLE lfstk INTO lfstkc  FROM vbuk WHERE vbeln = vbelns-vbeln.
      IF lfstkc = 'C'.
        CONTINUE.
      ENDIF.
*销售订单审批状态
      SELECT SINGLE jest~inact onrvb~objnr INTO (i_inact,i_objnr)
     FROM  vbak
     INNER JOIN onrvb ON onrvb~vbeln = vbak~vbeln
     INNER JOIN jest  ON jest~objnr = onrvb~objnr
     WHERE  vbak~vbeln = vbelns-vbeln
       AND  jest~stat = 'E0001' .
      IF sy-subrc = 0.
        IF i_inact = 'X'."如果订单已审批,刷新为未审核
          UPDATE jest SET inact = ''
               WHERE stat = 'E0001' AND objnr = i_objnr.
          UPDATE jest SET inact = 'X'
               WHERE stat = 'E0002' AND objnr = i_objnr.
        ENDIF.
      ENDIF.

      CLEAR: bdcdata,bdcdata[] .
      bdc_dynpro   'SAPMV45A'    '0102'.
      bdc_field    'BDC_CURSOR'  'VBAK-VBELN'.
      bdc_field    'BDC_OKCODE'  '/00'.
      bdc_field    'VBAK-VBELN'  vbelns-vbeln.

      bdc_dynpro   'SAPMV45A'    '4001'.
      bdc_field    'BDC_OKCODE'  '=SICH'.
      bdc_field    'BDC_SUBSCR'  'SAPMV45A 4021SUBSCREEN_HEADER'.
      bdc_field    'VBKD-ZTERM'    i_knb1-zterm.
      bdc_field    'BDC_SUBSCR'    'SAPMV45A 8310HEAD_USER'.
      bdc_field    'BDC_SUBSCR'    'SAPLV45W 0400SUBSCREEN_VERTRAG'.
      bdc_field    'BDC_SUBSCR'    'SAPMV45A 4900SUBSCREEN_TC'.
      bdc_field    'BDC_SUBSCR'    'SAPMV45A 4050SUBSCREEN_BUTTONS'.
      CALL TRANSACTION 'VA02' USING bdcdata MODE 'N' UPDATE 'S' MESSAGES INTO messtab.
      READ TABLE messtab WITH KEY msgtyp = 'E'.
      IF sy-subrc = 0.
        LOOP AT messtab WHERE msgtyp = 'E'.
          CALL FUNCTION 'MESSAGE_TEXT_BUILD'  "消息编号及变量使用函数转换为消息内容输出
          EXPORTING
            msgid                    = messtab-msgid
            msgnr                    = messtab-msgnr
            msgv1                     = messtab-msgv1
            msgv2                     = messtab-msgv2
            msgv3                     = messtab-msgv3
            msgv4                     = messtab-msgv4
          IMPORTING
            message_text_output       = result_mesg.
        ENDLOOP.
        MESSAGE result_mesg TYPE 'E'.
      ELSE.
*      message '' Type 'S'.
      ENDIF.
      IF i_inact = 'X'. "刷新为审核
        UPDATE jest SET inact = 'X'
             WHERE stat = 'E0001' AND objnr = i_objnr.
        UPDATE jest SET inact = ''
             WHERE stat = 'E0002' AND objnr = i_objnr.
      ENDIF.
    ENDLOOP.
  ENDIF.
ENDIF.