---恢复内容开始---
REPORT z_barry_test NO STANDARD PAGE HEADING .
PARAMETERS: p_date TYPE sy-datum ,
p_bukrs LIKE t001-bukrs ,
p_str(10).
AT SELECTION-SCREEN OUTPUT.
LOOP AT SCREEN.
CASE screen-name.
WHEN ‘P_DATE‘ OR ‘P_BUKRS‘.
screen-input = 0.
ENDCASE.
MODIFY SCREEN.
ENDLOOP.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_date. "方法一
CALL FUNCTION ‘F4_DATE‘
IMPORTING
select_date = p_date.
LEAVE SCREEN.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_bukrs. "方法二
CALL FUNCTION ‘F4IF_FIELD_VALUE_REQUEST‘
EXPORTING
tabname = ‘T001‘
fieldname = ‘BUKRS‘
dynpprog = sy-repid
dynpnr = sy-dynnr
dynprofield = ‘P_BUKRS‘
display = ‘F‘. " <-- Force
---恢复内容结束---
REPORT z_barry_test NO STANDARD PAGE HEADING .
PARAMETERS: p_date TYPE sy-datum ,
p_bukrs LIKE t001-bukrs ,
p_str(10).
AT SELECTION-SCREEN OUTPUT.
LOOP AT SCREEN.
CASE screen-name.
WHEN ‘P_DATE‘ OR ‘P_BUKRS‘.
screen-input = 0.
ENDCASE.
MODIFY SCREEN.
ENDLOOP.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_date. "方法一
CALL FUNCTION ‘F4_DATE‘
IMPORTING
select_date = p_date.
LEAVE SCREEN.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_bukrs. "方法二
CALL FUNCTION ‘F4IF_FIELD_VALUE_REQUEST‘
EXPORTING
tabname = ‘T001‘
fieldname = ‘BUKRS‘
dynpprog = sy-repid
dynpnr = sy-dynnr
dynprofield = ‘P_BUKRS‘
display = ‘F‘. " <-- Force
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原文：https://www.cnblogs.com/libo2019/p/10629573.html