SAP应用界面开发:3)SELECTION-SCREEN 对象(2)
接上一篇,我们继续讲解SELECTION-SCREEN的的语法。(4)SELECTION-SCREEN INCLUDE(调用已经存在的屏幕元素)
参照某一个已经定义的屏幕元素来创建,如下代码:
CALL SCREEN 1234.
*PARAMETERS MATNR LIKE MARA-MATNR.
*CALL SELECTION-SCREEN 1234."调用子窗体
SELECTION-SCREEN BEGIN OF SCREEN 1111.
SELECTION-SCREEN BEGIN OF BLOCK block1 WITH FRAME TITLE TEXT-W01.
SELECT-OPTIONS SELO FOR SY-REPID.
SELECTION-SCREEN ULINE. "换行线
PARAMETERS PARO.
SELECTION-SCREEN END OF BLOCK block1.
SELECTION-SCREEN END OF SCREEN 1111.
SELECTION-SCREEN BEGIN OF SCREEN 1234.
SELECTION-SCREEN INCLUDE BLOCKS block1.
SELECTION-SCREEN END OF SCREEN 1234.
程序运行界面如下:
http://www.cnblogs.com/foxting/archive/2012/06/30/data:image/png;base64,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
(5)SELECTION-SCREEN ULINE
划出横线,必须用在BLOCK中才能生效。
(6)SELECTION-SCREEN SKIP n
在BLOCK中产生换行。
(7)SELECTION-SCREEN POSITION pos
在BLOCK中产生空格。
(8)SELECTION-SCREEN BEGIN OF LINE.
......
SELECTION-SCREEN END OF LINE.
将所生成的屏幕元素控制在一行。
(9)AT SELECTION-SCREEN
是PAI处理,选择屏幕显示之后,用来响应回车,F8,F1,F4等事件。
(1)选择屏幕事件,此处声明的变量是局部变量。
(2)check sy-ucomm 判断用户命令。
(3)在这个事件响应中,可以对屏幕字段进行有效性检验等,但无法修改选择屏幕。
分为以下几个方面:
... ON <field>:该语法用于控制屏幕元素输入时的遇错处理,检查具体输入字段(SELECTION-OPTIONS或PARAMETERS)是否完整或正确,若输入有错或不满足条件,其它屏幕元素会变成灰色,不接受输入直到该字段输入正确为止。
...ON VALUE-REQUEST FOR <field low/high>:SELECT-OPTIONS按选择帮助<F4>键时触发该事件。
...ON HELP-REQUEST FOR <field low/high>:SELECTION-OPTIONS按选择帮助<F1>键时键发该事件。
...ON RADIOBUTTON GROUP <radio>:单选按钮事件,必须进行整体输入检查。
...ON BLOCK <block>:框架的触发事件(控制框架中的屏幕元素值的输入)。
...OUTPUT:用于屏幕输出时的各屏幕元素值的管控(PBO处理,在选择屏幕显示之前就被调用;响应屏幕上的事件,用户回车或F8后也被调用;通过modify screen可以修改选择屏幕字段)。
...ON EXIT-COMMAND:用于响应"BACK","CANCEL","EXIT"等事件。
SELECT-OPTIONS SEL0 FOR SY-TVAR0.
SELECTION-SCREEN BEGIN OF BLOCK BL0.
SELECT-OPTIONS SEL1 FOR SY-TVAR1.
SELECTION-SCREEN BEGIN OF BLOCK BL1.
PARAMETERS P1 RADIOBUTTON GROUP RAD1.
PARAMETERS P2 RADIOBUTTON GROUP RAD1.
SELECTION-SCREEN BEGIN OF BLOCK BL2.
PARAMETERS P3.
SELECTION-SCREEN END OF BLOCK BL2.
SELECT-OPTIONS SEL2 FOR SY-TVAR2.
SELECTION-SCREEN END OF BLOCK BL1.
SELECTION-SCREEN END OF BLOCK BL0.
AT SELECTION-SCREEN ON SEL1.
AT SELECTION-SCREEN ON RADIOBUTTON GROUP RAD1.
AT SELECTION-SCREEN ON P3.
AT SELECTION-SCREEN ON BLOCK BL1.
AT SELECTION-SCREEN ON BLOCK BL2.
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