SAP ABAP How to make a basic ALV

ABAP How to make a basic ALV

2020年4月20日 Report Program

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Described how to make a basic ALV. The flow is data acquisition-> edit-> ALV setting-> display.
With just this, you can create a simple ALV.
A function module can be used for each setting, so it is possible to display according to the requirements just by setting the parameters.

Sample Code

REPORT ytest.
TYPE-POOLS:slis.

************************************************************************
* Internal Table
************************************************************************
DATA: gi_sflight TYPE TABLE OF sflight.

*** ALV ***
DATA: gi_fieldcat TYPE slis_t_fieldcat_alv.

************************************************************************
* Structure
************************************************************************
FIELD-SYMBOLS: <fs_sflight> LIKE LINE OF gi_sflight.

*** ALV ***
DATA: gw_layout   TYPE slis_layout_alv.  
DATA: gw_variant  TYPE disvariant.         
DATA: gw_fieldcat TYPE slis_fieldcat_alv. 

************************************************************************
* Variable
************************************************************************
DATA: v_carrid TYPE sflight-carrid,
      v_fldate TYPE sflight-fldate.


************************************************************************
* Screen
************************************************************************
SELECTION-SCREEN BEGIN OF BLOCK b01 WITH FRAME TITLE text-t01.
SELECT-OPTIONS     s_carrid FOR v_carrid OBLIGATORY.
SELECT-OPTIONS     s_fldate FOR v_fldate.
SELECTION-SCREEN END OF BLOCK b01.

************************************************************************
* Initial Process
************************************************************************
INITIALIZATION.
  CLEAR: gi_sflight.

************************************************************************
* Main Process
************************************************************************
START-OF-SELECTION.
  PERFORM get_data.
  PERFORM edit_data.
  PERFORM set_variant.
  PERFORM set_layout.
  PERFORM get_fieldcatalog.
  PERFORM output_alv.

************************************************************************
* GET_DATA
************************************************************************
FORM get_data.

  SELECT * INTO TABLE gi_sflight
    FROM sflight
   WHERE carrid IN s_carrid
     AND fldate IN s_fldate.

ENDFORM.

************************************************************************
* EDIT_DATA
************************************************************************
FORM edit_data.

  LOOP AT gi_sflight ASSIGNING <fs_sflight>.
****** If you need edit to internal table, please write here　******
  ENDLOOP.

ENDFORM.

************************************************************************
* SET_VARIANT
************************************************************************
FORM set_variant.

  gw_variant-report    = sy-cprog.
**  IT_VARIANT-HANDLE    =
**  IT_VARIANT-LOG_GROUP  =
  gw_variant-username  = sy-uname.
**  IT_VARIANT-VARIANT   =
**  IT_VARIANT-TEXT      =
**  IT_VARIANT-DEPENDVARS =

ENDFORM.

************************************************************************
* SET_LAYOUT
************************************************************************
FORM set_layout.

  gw_layout-zebra  = 'X'.                   
  gw_layout-colwidth_optimize = 'X'.       
  gw_layout-window_titlebar   = sy-title. 
**  GW_LAYOUT-no_colhead =
**  GW_LAYOUT-no_hotspot =
**  GW_LAYOUT-no_vline =
**  GW_LAYOUT-no_hline =
**  GW_LAYOUT-cell_merge =
**  GW_LAYOUT-edit =
**  GW_LAYOUT-edit_mode =
**  GW_LAYOUT-numc_sum =
**  GW_LAYOUT-no_input =
**  GW_LAYOUT-f2code =
**  GW_LAYOUT-reprep =
**  GW_LAYOUT-no_keyfix =
**  GW_LAYOUT-expand_all =
**  GW_LAYOUT-no_author =
**  GW_LAYOUT-def_status =
**  GW_LAYOUT-item_text =
**  GW_LAYOUT-countfname =
**  GW_LAYOUT-colwidth_optimize =
**  GW_LAYOUT-no_min_linesize =
**  GW_LAYOUT-min_linesize =
**  GW_LAYOUT-max_linesize =
**  GW_LAYOUT-window_titlebar =
**  GW_LAYOUT-no_uline_hs =
**  GW_LAYOUT-lights_fieldname =
**  GW_LAYOUT-lights_tabname =
**  GW_LAYOUT-lights_rollname =
**  GW_LAYOUT-lights_condense =
**  GW_LAYOUT-no_sumchoice =
**  GW_LAYOUT-no_totalline =
**  GW_LAYOUT-no_subchoice =
**  GW_LAYOUT-no_subtotals =
**  GW_LAYOUT-no_unit_splitting =
**  GW_LAYOUT-totals_before_items =
**  GW_LAYOUT-totals_only =
**  GW_LAYOUT-totals_text =
**  GW_LAYOUT-subtotals_text =
**  GW_LAYOUT-box_fieldname =
**  GW_LAYOUT-box_tabname =
**  GW_LAYOUT-box_rollname =
**  GW_LAYOUT-expand_fieldname =
**  GW_LAYOUT-hotspot_fieldname =
**  GW_LAYOUT-confirmation_prompt =
**  GW_LAYOUT-key_hotspot =
**  GW_LAYOUT-flexible_key =
**  GW_LAYOUT-group_buttons =
**  GW_LAYOUT-get_selinfos =
**  GW_LAYOUT-group_change_edit =
**  GW_LAYOUT-no_scrolling =
**  GW_LAYOUT-detail_popup =
**  GW_LAYOUT-detail_initial_lines =
**  GW_LAYOUT-detail_titlebar =
**  GW_LAYOUT-header_text =
**  GW_LAYOUT-default_item =
**  GW_LAYOUT-info_fieldname =
**  GW_LAYOUT-coltab_fieldname =
**  GW_LAYOUT-list_append =
**  GW_LAYOUT-xifunckey =
**  GW_LAYOUT-xidirect =
**  GW_LAYOUT-dtc_layout =

ENDFORM.

************************************************************************
* GET_FIELDCATALOG
************************************************************************
FORM get_fieldcatalog.

  CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'
    EXPORTING
      i_program_name     = sy-repid
*      i_internal_tabname =
      I_STRUCTURE_NAME   = 'SFLIGHT'
*     I_CLIENT_NEVER_DISPLAY       = 'X'
*     I_INCLNAME         =
*     I_BYPASSING_BUFFER =
*     I_BUFFER_ACTIVE    =
    CHANGING
      ct_fieldcat        = gi_fieldcat
* EXCEPTIONS
*     INCONSISTENT_INTERFACE       = 1
*     PROGRAM_ERROR      = 2
*     OTHERS             = 3
    .
  IF sy-subrc <> 0.
* Implement suitable error handling here
  ENDIF.

ENDFORM.

************************************************************************
* OUTPUT_ALV
************************************************************************
FORM output_alv.

  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
    EXPORTING
      i_callback_program = sy-repid
      is_layout          = gw_layout
      it_fieldcat        = gi_fieldcat
      is_variant         = gw_variant
    TABLES
      t_outtab           = gi_sflight
* EXCEPTIONS
*     PROGRAM_ERROR      = 1
*     OTHERS             = 2
    .
  IF sy-subrc <> 0.
* Implement suitable error handling here
  ENDIF.

ENDFORM.

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REPORT ytest.

TYPE-POOLS:slis.

************************************************************************

* Internal Table

************************************************************************

DATA: gi_sflight TYPE TABLE OF sflight.

*** ALV ***

DATA: gi_fieldcat TYPE slis_t_fieldcat_alv.

************************************************************************

* Structure

************************************************************************

FIELD-SYMBOLS: <fs_sflight> LIKE LINE OF gi_sflight.

*** ALV ***

DATA: gw_layout TYPE slis_layout_alv.

DATA: gw_variant TYPE disvariant.

DATA: gw_fieldcat TYPE slis_fieldcat_alv.

************************************************************************

* Variable

************************************************************************

DATA: v_carrid TYPE sflight-carrid,

v_fldate TYPE sflight-fldate.

************************************************************************

* Screen

************************************************************************

SELECTION-SCREEN BEGIN OF BLOCK b01 WITH FRAME TITLE text-t01.

SELECT-OPTIONS s_carrid FOR v_carrid OBLIGATORY.

SELECT-OPTIONS s_fldate FOR v_fldate.

SELECTION-SCREEN END OF BLOCK b01.

************************************************************************

* Initial Process

************************************************************************

INITIALIZATION.

CLEAR: gi_sflight.

************************************************************************

* Main Process

************************************************************************

START-OF-SELECTION.

PERFORM get_data.

PERFORM edit_data.

PERFORM set_variant.

PERFORM set_layout.

PERFORM get_fieldcatalog.

PERFORM output_alv.

************************************************************************

* GET_DATA

************************************************************************

FORM get_data.

SELECT * INTO TABLE gi_sflight

FROM sflight

WHERE carrid IN s_carrid

AND fldate IN s_fldate.

ENDFORM.

************************************************************************

* EDIT_DATA

************************************************************************

FORM edit_data.

LOOP AT gi_sflight ASSIGNING <fs_sflight>.

****** If you need edit to internal table, please write here　******

ENDLOOP.

ENDFORM.

************************************************************************

* SET_VARIANT

************************************************************************

FORM set_variant.

gw_variant-report = sy-cprog.

** IT_VARIANT-HANDLE =

** IT_VARIANT-LOG_GROUP =

gw_variant-username = sy-uname.

** IT_VARIANT-VARIANT =

** IT_VARIANT-TEXT =

** IT_VARIANT-DEPENDVARS =

ENDFORM.

************************************************************************

* SET_LAYOUT

************************************************************************

FORM set_layout.

gw_layout-zebra = 'X'.

gw_layout-colwidth_optimize = 'X'.

gw_layout-window_titlebar = sy-title.

** GW_LAYOUT-no_colhead =

** GW_LAYOUT-no_hotspot =

** GW_LAYOUT-no_vline =

** GW_LAYOUT-no_hline =

** GW_LAYOUT-cell_merge =

** GW_LAYOUT-edit =

** GW_LAYOUT-edit_mode =

** GW_LAYOUT-numc_sum =

** GW_LAYOUT-no_input =

** GW_LAYOUT-f2code =

** GW_LAYOUT-reprep =

** GW_LAYOUT-no_keyfix =

** GW_LAYOUT-expand_all =

** GW_LAYOUT-no_author =

** GW_LAYOUT-def_status =

** GW_LAYOUT-item_text =

** GW_LAYOUT-countfname =

** GW_LAYOUT-colwidth_optimize =

** GW_LAYOUT-no_min_linesize =

** GW_LAYOUT-min_linesize =

** GW_LAYOUT-max_linesize =

** GW_LAYOUT-window_titlebar =

** GW_LAYOUT-no_uline_hs =

** GW_LAYOUT-lights_fieldname =

** GW_LAYOUT-lights_tabname =

** GW_LAYOUT-lights_rollname =

** GW_LAYOUT-lights_condense =

** GW_LAYOUT-no_sumchoice =

** GW_LAYOUT-no_totalline =

** GW_LAYOUT-no_subchoice =

** GW_LAYOUT-no_subtotals =

** GW_LAYOUT-no_unit_splitting =

** GW_LAYOUT-totals_before_items =

** GW_LAYOUT-totals_only =

** GW_LAYOUT-totals_text =

** GW_LAYOUT-subtotals_text =

** GW_LAYOUT-box_fieldname =

** GW_LAYOUT-box_tabname =

** GW_LAYOUT-box_rollname =

** GW_LAYOUT-expand_fieldname =

** GW_LAYOUT-hotspot_fieldname =

** GW_LAYOUT-confirmation_prompt =

** GW_LAYOUT-key_hotspot =

** GW_LAYOUT-flexible_key =

** GW_LAYOUT-group_buttons =

** GW_LAYOUT-get_selinfos =

** GW_LAYOUT-group_change_edit =

** GW_LAYOUT-no_scrolling =

** GW_LAYOUT-detail_popup =

** GW_LAYOUT-detail_initial_lines =

** GW_LAYOUT-detail_titlebar =

** GW_LAYOUT-header_text =

** GW_LAYOUT-default_item =

** GW_LAYOUT-info_fieldname =

** GW_LAYOUT-coltab_fieldname =

** GW_LAYOUT-list_append =

** GW_LAYOUT-xifunckey =

** GW_LAYOUT-xidirect =

** GW_LAYOUT-dtc_layout =

ENDFORM.

************************************************************************

* GET_FIELDCATALOG

************************************************************************

FORM get_fieldcatalog.

CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'

EXPORTING

i_program_name = sy-repid

* i_internal_tabname =

I_STRUCTURE_NAME = 'SFLIGHT'

* I_CLIENT_NEVER_DISPLAY = 'X'

* I_INCLNAME =

* I_BYPASSING_BUFFER =

* I_BUFFER_ACTIVE =

CHANGING

ct_fieldcat = gi_fieldcat

* EXCEPTIONS

* INCONSISTENT_INTERFACE = 1

* PROGRAM_ERROR = 2

* OTHERS = 3

IF sy-subrc <> 0.

* Implement suitable error handling here

ENDIF.

ENDFORM.

************************************************************************

* OUTPUT_ALV

************************************************************************

FORM output_alv.

CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'

EXPORTING

i_callback_program = sy-repid

is_layout = gw_layout

it_fieldcat = gi_fieldcat

is_variant = gw_variant

TABLES

t_outtab = gi_sflight

* EXCEPTIONS

* PROGRAM_ERROR = 1

* OTHERS = 2

IF sy-subrc <> 0.

* Implement suitable error handling here

ENDIF.

ENDFORM.

See here for how to define Data
See here for getting multiple records

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ABAP How to make a basic ALV

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Sample Code

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