1.定义
TYPES: it_fieldcat TYPE slis_t_fieldcat_alv.
CLASS lcl_event DEFINITION.

  PUBLIC SECTION.
    METHODS:
      on_refresh_alv FOR EVENT added_function OF cl_salv_events
        IMPORTING e_salv_function,
      on_user_commands FOR EVENT added_function OF cl_salv_events
        IMPORTING e_salv_function,
      on_double_click FOR EVENT double_click OF cl_salv_events_table
        IMPORTING row column.

ENDCLASS.
DATA: g_okcode LIKE sy-ucomm,
ok_code LIKE sy-ucomm.
DATA l_text TYPE char20.
DATA l_input1 TYPE char20.

DATA:    gc_table      TYPE REF TO cl_salv_table,
              gc_events     TYPE REF TO cl_salv_events_table,
	          gc_columns    TYPE REF TO cl_salv_columns_table,
	          gc_column     TYPE REF TO cl_salv_column_table,
	          gc_selection  TYPE REF TO cl_salv_selections,
	          gc_layout     TYPE REF TO cl_salv_layout,
	          gc_display    TYPE REF TO cl_salv_display_settings,
	          gc_functions  TYPE REF TO cl_salv_functions_list,
	          g_key         TYPE salv_s_layout_key,
	          event_handler TYPE REF TO lcl_event,
	          it_fieldcat   TYPE slis_t_fieldcat_alv,
	          color         TYPE lvc_s_colo,
	          lt_lines      LIKE TABLE OF tline WITH HEADER LINE,
	          lw_lines      LIKE tline,
	          lv_tdname     LIKE thead-tdname.

DATA: lt_rows    TYPE salv_t_row,
      l_rows     TYPE i,
      l_rowcount TYPE i,
      l_r        TYPE char5,
      l_s        TYPE char5,
      l_fcount   TYPE i,
      l_f        TYPE char5,
      l_scount   TYPE i,
      l_info     TYPE string,
      l_fnm1     TYPE rs38l_fnam,
      l_fnm2     TYPE rs38l_fnam.

2.alv方法调用及dialog实施
FORM frm_alv_output .

TRY.
      CALL METHOD cl_salv_table=>factory
        IMPORTING
          r_salv_table = gc_table
        CHANGING
          t_table      = gt_alvdsp.
    CATCH cx_salv_msg .
  ENDTRY.
  "执行事件
  gc_events = gc_table->get_event( ).                                     "选择事件
  CREATE OBJECT event_handler.
  SET HANDLER event_handler->on_refresh_alv FOR gc_events.
  SET HANDLER event_handler->on_user_commands FOR gc_events.
  SET HANDLER event_handler->on_double_click FOR gc_events.
  gc_selection = gc_table->get_selections( ).
  gc_selection->set_selection_mode( 3 ).   "可以以行、列的方式进行选择
  gc_columns = gc_table->get_columns( ).
  gc_columns->set_optimize( 'X' ).

  TRY.
      gc_columns = gc_table->get_columns( ).
      gc_column ?= gc_columns->get_column( 'ZSEQN' ).
      gc_column->set_short_text( '序号' ).
      gc_column->set_medium_text( '序号' ).
      gc_column->set_long_text( '序号' ).
    CATCH cx_salv_not_found.
  ENDTRY.
  TRY.
      gc_columns = gc_table->get_columns( ).
      gc_column ?= gc_columns->get_column( 'ZDYBZ' ).
      gc_column->set_short_text( '打印次数' ).
      gc_column->set_medium_text( '打印次数' ).
      gc_column->set_long_text( '打印次数' ).
    CATCH cx_salv_not_found.
  ENDTRY.


  gc_display = gc_table->get_display_settings( ).
  gc_display->set_striped_pattern( cl_salv_display_settings=>true ).
  TRY.
      CALL METHOD gc_table->set_screen_status
        EXPORTING
          report        = sy-repid
          pfstatus      = 'STANDARD_FULLSCREEN'
          set_functions = gc_table->c_functions_all.
  ENDTRY.
  gc_layout = gc_table->get_layout( ).                                    "输出ALV的布局
  g_key-report = sy-repid.
  gc_layout->set_key( g_key ).                                            "选择布局
  gc_layout->set_save_restriction( cl_salv_layout=>restrict_none ).       "保存布局
  gc_layout->set_default( 'X' ).
*  gc_functions = gc_table->get_functions( ).
*  gc_functions->set_default( 'X' ).
  gc_table->display( ).

ENDFORM.

CLASS lcl_event IMPLEMENTATION.

  METHOD on_double_click.
    DATA:lr_selections TYPE REF TO cl_salv_selections,
         lt_cells      TYPE salv_t_cell,
         ls_cells      TYPE salv_s_cell.
    lr_selections = gc_table->get_selections( ).
    lt_cells = lr_selections->get_selected_cells( ).
    READ TABLE lt_cells INTO ls_cells INDEX 1.
    READ TABLE gt_alvdsp INTO gw_alvdsp INDEX ls_cells-row.
    CASE ls_cells-columnname.
      WHEN 'TKNUM' .                                    "运单双击
      SET PARAMETER ID 'TNR' FIELD gw_alvdsp-tknum.
       CALL TRANSACTION 'VT03N' AND SKIP FIRST SCREEN.
    ENDCASE.
  ENDMETHOD.
  METHOD on_refresh_alv.
    DATA: lc_cols TYPE REF TO cl_salv_columns_table,
          lw_stbl TYPE lvc_s_stbl.
    lc_cols = gc_table->get_columns( ).
    lc_cols->set_optimize( abap_true ).
    lw_stbl-row = cns_x.
    lw_stbl-col = cns_x.
    gc_table->refresh( s_stable = lw_stbl ).
  ENDMETHOD.
  METHOD on_user_commands.
    DATA: lt_rows TYPE salv_t_row.
    DATA: lt_cols TYPE salv_t_column.
    DATA: ls_cols TYPE lvc_fname.
    DATA: lc_selections TYPE REF TO cl_salv_selections.
    DATA: ls_rows       TYPE i.
    DATA: lo_grid      TYPE REF TO cl_gui_alv_grid,
          lo_full_adap TYPE REF TO cl_salv_fullscreen_adapter.
    DATA: ls_layout TYPE lvc_s_layo.
    DATA: gc_grid TYPE REF TO cl_gui_alv_grid.
    DATA: gw_stable TYPE lvc_s_stbl.

    CASE e_salv_function.
      WHEN 'RFS'.
*        PERFORM frm_get_data.
        me->on_refresh_alv( ).
      WHEN OTHERS.
    ENDCASE.
  ENDMETHOD.

ENDCLASS.