◆◆0选择屏幕-SELECTION-SCREEN(一)
1,定义SELECTION-SCREEN
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*定义selection screen
SELECTION-SCREEN BEGIN OF SCREEN 9001 AS WINDOW TITLE TEXT-001.
PARAMETERS:p_ebeln LIKE ekko-ebeln.
SELECTION-SCREEN END OF SCREEN 9001.
*调用screen
CALL SCREEN 9001
STARTING AT 10 10
ENDING AT 80 10. "
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call screen会弹出屏幕,显示如下:
2,CALL SELECTION-SCREEN
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* 第一个screen
PARAMETERS:p_check type c as CHECKBOX.
* 调用第二个selection screen
CALL SELECTION-SCREEN 9002.
*定义selection screen
SELECTION-SCREEN BEGIN OF SCREEN 9002 AS WINDOW TITLE TEXT-001.
PARAMETERS:p_ebeln LIKE ekko-ebeln.
SELECTION-SCREEN END OF SCREEN 9002.
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第一个sceen
点击运行按钮,调用第二个screen,
3,定义BLOCK
SELECTION-SCREEN BEGIN OF BLOCK BLOCK.
...
SELECTION-SCREEN END OF BLOCK.
该语法在屏幕中定义一个BLOCK，其扩展语法包括：
...WITH FRAME:创建一个框架。
...TITLE title:创建一个带标题的框架。
...NO INTERVALS:所创建的框架中限制SELECT 只有一个输入项。
另外block中还有以下语法:
SELECTION-SCREEN ULINE. 输出横线
SELECTION-SCREEN SKIP n.换行
SELECTION-SCREEN POSITION pos. 产生空格
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DATA:g_mat LIKE mara-matnr.
*不包含扩展语法
SELECTION-SCREEN BEGIN OF BLOCK block1.
SELECT-OPTIONS:s_matnr1 FOR g_mat.
SELECTION-SCREEN END OF BLOCK block1.
*包含框架
SELECTION-SCREEN BEGIN OF BLOCK block2 WITH FRAME.
SELECT-OPTIONS:s_matnr2 FOR g_mat.
SELECTION-SCREEN END OF BLOCK block2.
*包含框架及标头
SELECTION-SCREEN BEGIN OF BLOCK block3 WITH FRAME TITLE text-002.
SELECT-OPTIONS:s_matnr3 FOR g_mat.
SELECTION-SCREEN END OF BLOCK block3.
*包含框架及标头且只有一个输入框
SELECTION-SCREEN BEGIN OF BLOCK block4 WITH FRAME TITLE text-003 NO INTERVALS.
SELECT-OPTIONS:s_matnr4 FOR g_mat.
SELECTION-SCREEN END OF BLOCK block4.
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屏幕显示如下:
4,Selection-screen include
参照已经定义的屏幕元素来创建
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CALL SCREEN 9003.
SELECTION-SCREEN BEGIN OF SCREEN 9004.
SELECTION-SCREEN BEGIN OF BLOCK blk1.
SELECT-OPTIONS s_sel FOR sy-repid.
SELECTION-SCREEN ULINE. "换行线
PARAMETERS p_char.
SELECTION-SCREEN END OF BLOCK blk1.
SELECTION-SCREEN END OF SCREEN 9004.
SELECTION-SCREEN BEGIN OF SCREEN 9003.
SELECTION-SCREEN INCLUDE BLOCKS blk1."參照SCREEN 9004中的BLOCK
PARAMETERS p_box TYPE c AS CHECKBOX.
SELECTION-SCREEN END OF SCREEN 9003.
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显示如下:
以上,
