ALV 填值返回更新屏幕

1、定义

DATA: i_grid_settings TYPE lvc_s_glay.

2、第六行

FORM layout_build .
  i_layout-box_fieldname        = 'FLAG'.
  i_layout-colwidth_optimize    = 'X'. "优化列宽选项是否设置
  i_layout-zebra                = 'X'.
  i_layout-detail_initial_lines = 'X'.
  i_layout-no_vline             = 'X'." layout_build
  i_grid_settings-edt_cll_cb    = 'X'.


ENDFORM.                    " LAYOUT_BUILD

3、gui

FORM display_alv .
  g_repid = sy-repid.
  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
    EXPORTING
      i_callback_user_command  = 'USER_COMMAND'
      i_callback_pf_status_set = 'USER_STATUS'
      i_callback_program       = g_repid
      is_layout                = i_layout
      it_fieldcat              = fieldcat[]
*     it_events                = i_events[]
      i_grid_settings          = i_grid_settings
    TABLES
      t_outtab                 = gt_alv
    EXCEPTIONS
      program_error            = 1
      OTHERS                   = 2.
ENDFORM.                    "display_alv