cl_gui_docking_container=>dock_at_top
静态属性可以使用top left right bottom 
默认left
当然也不仅限于附加alv。

*&---------------------------------------------------------------------*
*& Report ZLEH10
*&---------------------------------------------------------------------*
*&
*&---------------------------------------------------------------------*
report zleh10.

call screen 100.

*&---------------------------------------------------------------------*
*& Module STATUS_0100 OUTPUT
*&---------------------------------------------------------------------*
*&
*&---------------------------------------------------------------------*
module status_0100 output.
  set pf-status 'ST_100'.
* SET TITLEBAR 'xxx'.

  data(go_doc) = new cl_gui_docking_container(
         side = cl_gui_docking_container=>dock_at_top
        repid = sy-repid
        dynnr = sy-dynnr
        extension = 100
        ).

  data(go_grid_doc) = new cl_gui_alv_grid( go_doc ).

  select from ztpm_bglx
  fields *
  into table @data(lt_data2).

  go_grid_doc->set_table_for_first_display(
  exporting
    i_structure_name = 'ZTPM_BGLX'
  changing
    it_outtab        = lt_data2
    ).

  select from t001w
    fields *
    into table @data(lt_data).

  data(go_grid) = new cl_gui_alv_grid( cl_gui_container=>screen0 ).

  go_grid->set_table_for_first_display(
   exporting
     i_structure_name = 'T001W'
   changing
     it_outtab        = lt_data
     ).

endmodule.
*&---------------------------------------------------------------------*
*&      Module  USER_COMMAND_0100  INPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
module user_command_0100 input.
  set screen 0.
  leave screen.
endmodule.