在选择画面中收起/展开字段
Posted lvdong18847870057
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下面ABAP代码实现在选择画面中收起/展开部分字段的功能，供参考。
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REPORT ztest_selection_screen_expand.
TYPE-POOLS icon.
TABLES mara.
SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME.
PARAMETERS p_werks TYPE werks_d.
SELECTION-SCREEN END OF BLOCK b1.
SELECTION-SCREEN SKIP 1.
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN PUSHBUTTON 1(4) but1 USER-COMMAND button1 VISIBLE LENGTH 2.
SELECTION-SCREEN COMMENT 6(20) com1.
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN BEGIN OF BLOCK b2 WITH FRAME.
SELECT-OPTIONS : s_matnr FOR mara-matnr MODIF ID bl1,
s_groes FOR mara-groes MODIF ID bl1.
SELECTION-SCREEN END OF BLOCK b2.
INITIALIZATION.
* 初始化expand按钮
WRITE icon_data_area_expand AS ICON TO but1.
com1 = ‘Data Collapse‘.
AT SELECTION-SCREEN.
* 切换expand和Collapse按钮
CASE sy-ucomm.
WHEN ‘BUTTON1‘.
IF but1 = ‘@K1@‘.
WRITE icon_data_area_collapse AS ICON TO but1.
com1 = ‘Data Expand‘.
ELSE.
WRITE icon_data_area_expand AS ICON TO but1.
com1 = ‘Data Collapse‘.
ENDIF.
ENDCASE.
AT SELECTION-SCREEN OUTPUT.
* 隐藏group1中的字段
LOOP AT SCREEN.
IF but1 = ‘@K2@‘ AND screen-group1 = ‘BL1‘.
screen-active = 0.
MODIFY SCREEN.
ENDIF.
ENDLOOP.
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初始化面：
点击Data Collapse按钮后，下面的两个字段收起不显示。
以上。
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