ABAP关于SCREEN的一些常用语句

涉及选择屏幕的一些基本控件和事件过程,具体如下：

(1)SCREEN 设计
TABLES: SSCRFIELDS.
PARAMETERS: P_EBLEN LIKE VBRK-EBLEN DEFAULT ' '.
PARAMETERS: P_CK1 AS CHECKBOX DEFAULT 'X'.
PARAMETERS: P_CK2 AS CHECKBOX.
PARAMETERS: P_RAD1 RADIOBUTTON GROUP SG1 DEFAULT 'X'.
PARAMETERS: P_RAD2 RADIOBUTTON GROUP SG1 .

SELECT-OPTIONS: S_EBLEN FOR VBRK-EBLEN NO-EXTENSTION. “无后边的箭头
SELECT-OPTIONS: S_EBLEN FOR VBRK-EBLEN NO INTERVALS. ”无到后边的选项
SELECTION-SCREEN SKIP 1. '产生空行

SELECTION-SCREEN BEGIN OF LINE . '将元素排列到一行

SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN ULINE. '画直线
SELECTION-SCREEN COMMENT 10(20) TEXT-001.'屏幕上输出文本

SELECTION-SCREEN BEGIN OF BLOCK BK1 WITH FRAME TITLE TEXT-002.

SELECTION-SCREEN END OF BLOCK BK1.

SELECTION-SCREEN PUSHBUTTON 50(10) TEXT-003 USER-COMMAND BUT1. '产生按钮
SELECTION-SCREEN FUNCTION KE