abap中AT USER-COMMAND.DATA:NUMBER1 TYPE I VALUE 20,NUMBER2 TYPE I VALUE 5,RESULT TYPE I.START-OF-SELECTION.WRITE:/ NUMBER1,',NUMBER2.AT USER-COMMAND.CASE SY-UCOMM.WHEN 'ADD'.RESULT = NUMBER1 + NUMBER2.WHEN 'SUBT'.RESULT = NUMBER1 - NUMBER2.WHEN 'MUL

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abap中AT USER-COMMAND.DATA:NUMBER1 TYPE I VALUE 20,NUMBER2 TYPE I VALUE 5,RESULT TYPE I.START-OF-SELECTION.WRITE:/ NUMBER1,',NUMBER2.AT USER-COMMAND.CASE SY-UCOMM.WHEN 'ADD'.RESULT = NUMBER1 + NUMBER2.WHEN 'SUBT'.RESULT = NUMBER1 - NUMBER2.WHEN 'MUL
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abap中AT USER-COMMAND.DATA:NUMBER1 TYPE I VALUE 20,NUMBER2 TYPE I VALUE 5,RESULT TYPE I.START-OF-SELECTION.WRITE:/ NUMBER1,',NUMBER2.AT USER-COMMAND.CASE SY-UCOMM.WHEN 'ADD'.RESULT = NUMBER1 + NUMBER2.WHEN 'SUBT'.RESULT = NUMBER1 - NUMBER2.WHEN 'MUL
abap中AT USER-COMMAND.
DATA:NUMBER1 TYPE I VALUE 20,
NUMBER2 TYPE I VALUE 5,
RESULT TYPE I.
START-OF-SELECTION.
WRITE:/ NUMBER1,',NUMBER2.
AT USER-COMMAND.
CASE SY-UCOMM.
WHEN 'ADD'.
RESULT = NUMBER1 + NUMBER2.
WHEN 'SUBT'.
RESULT = NUMBER1 - NUMBER2.
WHEN 'MULT'.
RESULT = NUMBER1 * NUMBER2.
WHEN 'DIVI'.
RESULT = NUMBER1 / NUMBER2.
WHEN OTHERS.
WRITE 'Unknown function code'.
EXIT.
ENDCASE.
WRITE:/ 'Result:',RESULT.
在这段代码中at user-command起到什么作用？

abap中AT USER-COMMAND.DATA:NUMBER1 TYPE I VALUE 20,NUMBER2 TYPE I VALUE 5,RESULT TYPE I.START-OF-SELECTION.WRITE:/ NUMBER1,',NUMBER2.AT USER-COMMAND.CASE SY-UCOMM.WHEN 'ADD'.RESULT = NUMBER1 + NUMBER2.WHEN 'SUBT'.RESULT = NUMBER1 - NUMBER2.WHEN 'MUL
在点击屏幕按钮的时候,将触发这个过程

abap中user-command什么意思? abap中AT USER-COMMAND.DATA:NUMBER1 TYPE I VALUE 20,NUMBER2 TYPE I VALUE 5,RESULT TYPE I.START-OF-SELECTION.WRITE:/ NUMBER1,',NUMBER2.AT USER-COMMAND.CASE SY-UCOMM.WHEN 'ADD'.RESULT = NUMBER1 + NUMBER2.WHEN 'SUBT'.RESULT = NUMBER1 - NUMBER2.WHEN 'MUL abap里面的AT USER-COMMAND事件到底怎么用啊.SELECTION-SCREEN PUSHBUTTON /1(20) PUBU1 USER-COMMAND ABCD.SELECTION-SCREEN SKIP.SELECTION-SCREEN PUSHBUTTON /1(20) PUBU2 USER-COMMAND ABCE.AT USER-COMMAND.CASE sy-ucomm.WHEN 'ABCD'.MESSAGE I005(Ms abap中, abap中%的意思 abap中,display abap中at selection-screen什么意思?后面加了output又什么意思? at your command是什么意思 CONFLICT BETWEEN 'AT USER-COMMAND' AND 'AT LINE-SE我发现在编写REPORT LIST的时候,如果我定义了一个GUI,那么这个REPORT程序执行时只会接受到AT USER-COMMAND的事件,而AT LINE-SELECTION'是接受不了.我怎么也不知道 550 unknown user (in reply to RCPT TO command). ABAP中以%开头的参数是什么意思 abap中modify和collect的用法? 在User类中 的 public User(){ } abap中screen是一个表还是一个element还是别的?例loop at screen.if screen-name = 'MOD'.endloop. vfp中command的作用 user abap 中 select.into 和 move.to 的区别! ABAP中TH_FIELDCATA LIKE LINE OF TD_FIELDCATA.是什么意思