如何做出类似ME21N的折叠屏幕

 

REPORT  z_barry_screen.

 

DATA  p_subscreen LIKE sy-dynnr .
DATA: save_ok LIKE sy-ucomm ,
      ok_code LIKE sy-ucomm.
DATA: inputt1(10),
      inputt2(10).

 

inputt1 = 'TESTT1'.
inputt2 = 'TESTT2'.
p_subscreen = '1001'.

 

CALL SCREEN 100 .

 

*&---------------------------------------------------------------------*
*&      Module  STATUS_0100  OUTPUT
*&---------------------------------------------------------------------*
MODULE status_0100 OUTPUT.
  SET PF-STATUS 'MAIN100'.
  SET TITLEBAR 'T100'.
ENDMODULE.                 " STATUS_0100  OUTPUT

 

MODULE user_command_0100 INPUT.
  CLEAR save_ok.
  save_ok = ok_code.
  CLEAR ok_code.

 

  CASE save_ok.
    WHEN 'B1001_1' OR 'B1004_2'.
      p_subscreen  =  1003.
    WHEN 'B1001_2' OR 'B1004_1'.
      p_subscreen  =  1002.
    WHEN 'B1002_1' OR 'B1003_2'.
      p_subscreen  =  1004.
    WHEN 'B1003_1' OR 'B1002_2'.
      p_subscreen  =  1001.
    WHEN 'BACK'.
      LEAVE PROGRAM.
  ENDCASE.
ENDMODULE.                 " USER_COMMAND_0100  INPUT

 

** 0100

PROCESS BEFORE OUTPUT.
  MODULE status_0100.
  CALL SUBSCREEN sub_0100 INCLUDING sy-repid p_subscreen.

PROCESS AFTER INPUT.
  MODULE user_command_0100.
  CALL SUBSCREEN sub_0100.

 

**1001

PROCESS BEFORE OUTPUT.
  CALL SUBSCREEN sub_1001_1 INCLUDING sy-repid '0200'.
  CALL SUBSCREEN sub_1001_2 INCLUDING sy-repid '0300'.

PROCESS AFTER INPUT.
  CALL SUBSCREEN sub_1001_1.
  CALL SUBSCREEN sub_1001_2.

 

**1002

PROCESS BEFORE OUTPUT.
  CALL SUBSCREEN sub_1002_1 INCLUDING sy-repid '0200'.

PROCESS AFTER INPUT.
  CALL SUBSCREEN sub_1002_1.

 

**1003

PROCESS BEFORE OUTPUT.
  CALL SUBSCREEN sub_1003_2 INCLUDING sy-repid '0300'.

PROCESS AFTER INPUT.
  CALL SUBSCREEN sub_1003_2.

 

**1004

PROCESS BEFORE OUTPUT.
* MODULE STATUS_2260.
*
PROCESS AFTER INPUT.
* MODULE USER_COMMAND_2260.

 

除100屏幕外，其余屏幕类型都是“子屏幕” 没有OK_code！