screen子窗口的切换
selection-screen子窗口
1:se51建立Ytest001的子屏幕0120, 在子屏的layout上面放如下4个控件
三个pushbutton:N1,N2,EXIT,和一个subscreen:A1。并在元素清单里添加ok_code.
2.flow logic代码:
PROCESS BEFORE OUTPUT.
call SUBSCREEN A1 INCLUDING sy-repid num1.
PROCESS AFTER INPUT.
call SUBSCREEN A1.
module user_command_0100.
3Ytest001主代码如下:
REPORT YTEST00A.
*定义子窗口800
selection-screen begin of screen 800 as subscreen.
PARAMETERS: a1(10) TYPE c,
a2(10) TYPE c,
a3(10) TYPE c.
SELECTION-SCREEN END OF SCREEN 800.
* 定义子窗口900
selection-screen begin of screen 900 as subscreen.
PARAMETERS: b1(10) TYPE c,
b2(10) TYPE c,
b3(10) TYPE c.
SELECTION-SCREEN END OF SCREEN 900.
* 返回码
data : ok_code type sy-ucomm,
save_ok type sy-ucomm.
* 初始为窗口800
data:num1(4) type n value '800'.
* 启动120窗口
start-of-selection.
call SCREEN 120.
* 处理按钮事件
Module user_command_0100 input.
save_ok = ok_code.
clear ok_code.
case save_ok.
* 第一个按钮调用800窗口
when 'S1'.
num1 = 800.
* 调用900窗口
when 'S2'.
num1 = 900.
when 'EXIT'.
leave program.
ENDCASE.
endmodule.
4.实现效果如下:
初始屏是0120和800的组合,点击子窗口2后就会出现900屏的信息,
从而实现子窗口的切换。

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