Delphi Ìõ¼þÅжÏÄÇЩÊÂ
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Ê×Ïȿ϶¨ÊÇÎÒÃǾ³£¿´¼ûµÄIFÓï¾ä¿©. Var
I: Integer;
Begin
I:= 99;
If (I> 0)And (I< 0) Then
Writeln('I>0')
Else
If (I> 10)And (I< 100) Then
Writeln('I>10 and I100');
End.
·´»ã±à³öÀ´»áÊÇʲôÑù×ÓµÄÄØ?
Project5.dpr.12: I:= 99;
004AC44C B863000000 mov eax,$00000063
Project5.dpr.13: If (I> 0)And (I< 0) Then
004AC451 85C0 test eax,eax
004AC453 7E1F jle $004ac474
004AC455 85C0 test eax,eax
004AC457 7D1B jnl $004ac474
Project5.dpr.14: Writeln('I>0')
004AC459 A1DC314B00 mov eax,[$004b31dc]
004AC45E BAC4C44A00 mov edx,$004ac4c4
004AC463 E874BAF5FF call @Write0UString
004AC468 E8BF89F5FF call @WriteLn
004AC46D E83E7FF5FF call @_IOTest
004AC472 EB3E jmp $004ac4b2
Project5.dpr.16: If (I> 10)And (I< 100) Then
004AC474 83F80A cmp eax,$0a
004AC477 7E20 jle $004ac499
004AC479 83F864 cmp eax,$64
004AC47C 7D1B jnl $004ac499
Project5.dpr.17: Writeln('I>10 and I100');
004AC499 A1DC314B00 mov eax,[$004b31dc]
004AC49E BA04C54A00 mov edx,$004ac504
004AC4A3 E834BAF5FF call @Write0UString
004AC4A8 E87F89F5FF call @WriteLn
004AC4AD E8FE7EF5FF call @_IOTest
ÎÒÃÇÕâÀï¾ÍÈÝÒ׵óöÀ´DelphiÀïÃæIFÓï¾äµÄ½á¹¹ÁË.
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unit QDialogs;
{$IFDEF LINUX}
function SelectDirectory(const Caption, Root: WideString;
var Directory: WideString; ShowHidden: Boolean = False): Boolean;
{$ENDIF}
{$IFDEF MSWINDOW ......
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Ê×ÏȽøÈëForÑ»·ÁË. Function TestFor( a, b: Integer ): Integer ;
Var
I: Integer ;
Begin
Result := a + b ;
For I := 0 To 49 Do
Result := Result + I ......