语法:
PARAMETERS <p> [DEFAULT <f>] [LOWER CASE] [OBLIGATORY] [AS CHECKBOX] [RADIOBUTTON GROUP <rad>]
实例:
PARAMETERS: NAME(8),
AGE TYPE I,
BIRTH TYPE D.
OBLIGATORY:强制要求输入, 屏幕上会出現一个“√” , 使用者必须要输入才可。
AS CHECKBOX：输入 CHECKBOX的格式。
实例:
PARAMETERS: TAX AS CHECKBOX DEFAULT ‘X’,
NTD AS CHECKBOX.
RADIOBUTTON GROUP <rad>：输入 RADIO BUTTON GROUP 的方式。
实例:
PARAMETERS: BOY RADIOBUTTON GROUP SEX DEFAULT ‘X’,
GIRL RADIOBUTTON GROUP SEX.
SELECTION-SCREEN begin of BLOCK b1 WITH FRAME TITLE text-001.
PARAMETERS: p_bukrs type bukrs OBLIGATORY MEMORY ID BUK,
p_year(4) type n OBLIGATORY memory id YER,
P_HKONT TYPE HKONT OBLIGATORY MEMORY ID HKT,
P_MONTH(2) TYPE N OBLIGATORY MEMORY ID MNT.
" SELECT-OPTIONS: P_MONTH FOR BKPF-MONAT OBLIGATORY MEMORY ID MNT.
PARAMETERS:P_SHKZG TYPE BSEG-SHKZG MEMORY ID SHZ,
p_flag TYPE C MEMORY ID FLG NO-DISPLAY. ”隐藏的alv界面输入框