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动态 ABAP ALV

*&---------------------------------------------------------------------*
*& Report ZDYNALV
*&---------------------------------------------------------------------*
*&
*&---------------------------------------------------------------------*
REPORT ZDYNALV.


*-------------ALV Ïà¹Ø--------------------------
DATA: wa_layo TYPE lvc_s_layo.
DATA: wa_fcat TYPE lvc_s_fcat,
      it_fcat TYPE lvc_t_fcat.

DATA  it_scol TYPE lvc_t_scol.

DATA: g_grid TYPE REF TO cl_gui_alv_grid.

FIELD-SYMBOLS: <dyn_table> TYPE STANDARD TABLE,
               <dyn_wa>,
               <dyn_field>.

DATA: dy_table TYPE REF TO data,
      dy_line  TYPE REF TO data.

DATA: colname(10),
      index(2).

* ÁÐÊý
*PARAMETERS: col TYPE i.

CLEAR: it_fcat.

* ¸ù¾ÝÌõ¼þ¶¯Ì¬Éú³ÉÁÐ
*DO col TIMES.
DO 90 TIMES.
  index = index + 1.
  CONCATENATE 'COL' index INTO colname.
  PERFORM frm_add_fcat USING:
         colname 'C' 'ÃèÊö' '100'.
ENDDO.

* ¸ù¾Ýit_factÉú³É¶¯Ì¬±í
CALL METHOD cl_alv_table_create=>create_dynamic_table
  EXPORTING
    it_fieldcatalog = it_fcat
  IMPORTING
    ep_table        = dy_table.

ASSIGN dy_table->* TO <dyn_table>.

CREATE DATA dy_line LIKE LINE OF <dyn_table>.

ASSIGN dy_line->* TO <dyn_wa>.

* ¸ø±í×ֶθ³Öµ
CLEAR: index.
DO 90 TIMES.
  index = index + 1.
  CONCATENATE 'COL' index INTO colname.
  ASSIGN COMPONENT colname OF STRUCTURE <dyn_wa>  TO <dyn_field>.
  <dyn_field> = 'ÁÐÊý¾Ý1'.
ENDDO.
APPEND <dyn_wa> TO <dyn_table>.

* Ï൱ÓÚ¸øÄÚ±í·ÅÈëÁ½ÌõÊý¾Ý
CLEAR: index.
DO 90 TIMES.
  index = index + 1.
  CONCATENATE 'COL' index INTO colname.
  ASSIGN COMPONENT colname OF STRUCTURE <dyn_wa> TO <dyn_field>.
  <dyn_field> = 'ÁÐÊý¾Ý2'.
ENDDO.
APPEND <dyn_wa> TO <dyn_table>.

CLEAR: wa_layo.
wa_layo-zebra = 'X'.
wa_layo-cwidth_opt = 'X'.

CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY_LVC'
  EXPORTING
    i_callback_program = sy-repid
    is_layout_lvc      = wa_layo
    it_fieldcat_lvc    = it_fcat
  TABLES
    t_outtab           = <dyn_table>
  EXCEPTIONS
    program_error      = 1
    OTHERS             = 2.
IF sy-subrc <> 0.
  MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
  WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.

*&---------------------------------------------------------------------*
*&      Form  frm_add_fcat
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*      -->VALUE1     text
*      -->VALUE2     text
*      -->VALUE3     text
*      -->VALUE4     text
*----------------------------------------------------------------------*
FORM frm_add_fcat USING value1 value2 value3 value4.
  wa_fcat-fieldname = value1.
  wa_fcat-inttype = value2.
  wa_fcat-reptext = value3.
  wa_fcat-intlen   = value4.
  APPEND wa_fcat TO it_fcat.
  CLEAR: wa_fcat.
ENDFORM.                    "frm_add_fcat