【SAP】ABAP——获取采购订单行项目

CALL FUNCTION 'ME_READ_HISTORY'
      EXPORTING
        ebeln              = ls_po-ebeln
        ebelp              = ls_po-ebelp
        webre              = ls_po-webre
        i_bypassing_buffer = 'X'
        i_refresh_buffer   = 'X'
      TABLES
        xekbes             = it_ekbes.
    IF it_ekbes[] IS NOT INITIAL.
      LOOP AT it_ekbes WHERE zekkn EQ space.
        ADD it_ekbes-wemng TO lv_wemng.
      ENDLOOP.
    ENDIF.