12.6.?????按鈕、單選復(fù)選框、下拉框的FunCode

如果復(fù)選框與單選按鈕沒有設(shè)置Function Code，則它們就會像普通的輸入框一樣，即使?fàn)顟B(tài)發(fā)生了改變，也不會觸發(fā)PAI事件

對話屏幕中的按鈕、復(fù)選框、單選按鈕、下拉框的Function Code都是通過屏幕元素?attributes來設(shè)置的；選擇屏幕中的FunCode則通過USER-COMMAND選項來設(shè)置

12.6.1.???????????選擇屏幕中的按鈕

SELECTION-SCREEN:PUSHBUTTON?2(12)??but1?USER-COMMAND?cli1.
INITIALIZATION.
but1?=?'Button 1'."可直接設(shè)置按鈕上的標(biāo)簽文本
AT SELECTION-SCREEN.
??CASE?sy-ucomm.
????WHEN?'CLI1'.
??ENDCASE.

12.6.2.???????????選擇屏幕中的單選/復(fù)選按鈕：點擊時顯示、隱藏其他屏幕元素

更多請參考動態(tài)修改屏幕章節(jié)

PARAMETERS?show_all?AS CHECKBOX?USER-COMMAND?flag.
PARAMETERS?hide??RADIOBUTTON GROUP??rd?USER-COMMAND?flag2?DEFAULT?'X'.
PARAMETERS?show??RADIOBUTTON GROUP??rd?.
SELECTION-SCREEN BEGIN OF BLOCK?b1?WITH FRAME?.
??PARAMETERS:?p1?TYPE c?LENGTH?10?,
????????????? p2?TYPE c?LENGTH?10.
SELECTION-SCREEN END OF BLOCK?b1.
SELECTION-SCREEN BEGIN OF BLOCK?b2?WITH FRAME TITLE?t.
??PARAMETERS:?p3?TYPE c?LENGTH?10?MODIF?ID?bl2,
????????????? p4?TYPE c?LENGTH?10?MODIF?ID?bl2.
SELECTION-SCREEN END OF BLOCK?b2.
SELECTION-SCREEN BEGIN OF BLOCK?b3?WITH FRAME?.
??PARAMETERS:?p5?TYPE c?LENGTH?10?MODIF?ID?bl3,
????????????? p6?TYPE c?LENGTH?10?MODIF?ID?bl3.
SELECTION-SCREEN END OF BLOCK?b3.

INITIALIZATION.
? t?=?'----ALL----'.
"單先與復(fù)選框、下拉列表項點擊觸發(fā)PAI后，接下來還會觸發(fā)屏幕的PBO（回車也是這樣），但如果點擊的是執(zhí)行按鈕，則不會接著觸發(fā)屏幕的PBO，除非沒有輸出或在Basic List列表頁面上點擊返回按鈕時，才會觸發(fā)PBO
AT SELECTION-SCREEN?OUTPUT.
??LOOP AT?SCREEN.
????IF?show_all?=?'X'??AND screen-group1?=?'BL2'.
??????screen-active?=?'1'."顯示
??????MODIFY SCREEN.
????ELSEIF screen-group1?=?'BL2'.
??????screen-active?=?'0'."隱藏
??????MODIFY SCREEN.
????ENDIF.
????IF??show?=?'X'??AND screen-group1?=?'BL3'.
??????screen-active?=?'1'.
??????MODIFY SCREEN.
????ELSEIF? screen-group1?=?'BL3'.
??????screen-active?=?'0'.
??????MODIFY SCREEN.
????ENDIF.
??ENDLOOP.

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