Delphi Ìõ¼þÅжÏÄÇЩÊÂ
¼¼Êõ½»Á÷,DH½²½â. ֮ǰÕÕ×ÅÌìÊéÒ¹¶Á,ÓÃDelphiÀ´ÅªÁËÏÂÑ»·Ìå,ÏÖÔÚ¾ÍÀ´ÅªÒ»ÏÂÌõ¼þÅжϰÉ.
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,$004ac504
004AC4A3 E834BAF5FF call @Write0UString
004AC4A8 E87F89F5FF call @WriteLn
004AC4AD E8FE7EF5FF call @_IOTest
ÎÒÃÇÕâÀï¾ÍÈÝÒ׵óöÀ´DelphiÀïÃæIFÓï¾äµÄ½á¹¹ÁË.
ÅжÏ1
²»Âú×ã¾ÍÌø-------------------------|
Âú×ãÌõ¼þ´úÂë |
[ÎÞÌõ¼þJmpµ½ËùÓÐÅжÏÍâ] |
[ÅжÏ2] je->cmp->je->cmp->je
¾ÍÊÇÕâÑù²»Í£µÄ¶Ô±È,Èç¹ûÏàµÈ¾ÍÌø.ÕâÑù·ûºÏÎÒÃÇ˼άһЩ.
ºÃµÄ,ÕâÊ
Ïà¹ØÎĵµ£º
ÕâÑùÒ»À´£¬DelphiʹÓÃWebserviceºÍJAVAͨѶʱ£¬¿ÉÒÔ½«DELPHIµÄʱ¼äÖ±½Ó´«¸øJAVA¡£´Ó¶øÃâÈ¥ÁËʱ¼ä×Ö·û´®parseÖ®¼äµÄÏûºÄ£¬Ìá¸ßµÄ³ÌÐòЧÂÊ¡£
Delphiʱ¼äʵÖʾÍÊÇdoubleÀàÐÍ£¬ÕûÊý²¿·Ö±íʾÌ죬СÊý²¿·Ö±íʾµ±Ììʱ¼ä£¬Ã¿ºÁÃëΪ1/86400000¡£¿¼Âǵ½Ê±ÇøµÄת»»ºó£¬JAVAºÍDELPHIʱ¼äÖ®¼äµÄת»»ÀàÈçÏ£º
import java.util.Calendar ......
£®pas ---- pascalµÄËõд, µ¥ÔªÔʼ³Ìʽµµ£¨ unit source files £©
£®dpr ---- ר°¸µµ ( project files )
£®dpk ---- °ü¹üÔʼ³Ìʽµµ/×é¼þ°ü ( package source files )
£®dfm ---- ±íµ¥µµ (¼Ç¼formµÄÄÚÈÝ,³ýÈ¥Õâ¸öÄÚÈݾ͵ÈÓÚɾ³ýÁËformÕâ¸ö±íµ¥)
£®dcu ---- ÊDZàÒëºÃµÄµ¥ÔªÎļþ.ÈôÖ»ÓÐÒ»¸ödcuÎļþ,Ôò²»ÄÜ¿´µ½Ô´´úÂë.
......
ÒÔǰÓùýdelphi 2007µÄÕâ¸öº¯ÊýµÄ£¬²ÎÊý³¬¶à£¬ÏÖÔڵĹ«Ë¾ÓÃD7£¬½á¹ûÍøÉÏÒ»²éÕâ¸öº¯Êý£¬Óò»³ÉÁË£¬ÔÀ´ÎÒÓôíÁ˺¯Êý
unit QDialogs;
{$IFDEF LINUX}
function SelectDirectory(const Caption, Root: WideString;
var Directory: WideString; ShowHidden: Boolean = False): Boolean;
{$ENDIF}
{$IFDEF MSWINDOW ......
Chr ½«Ò»¸öÓÐÐòÊý¾Ýת»»ÎªÒ»¸öANSI×Ö·û
Ord ½«Ò»¸öÓÐÐòÀàÐÍֵת»»ÎªËüµÄÐòºÅ
Round ת»»Ò»¸öʵÐÍֵΪËÄÉáÎåÈëºóµÄÕûÐÍÖµ
Trunc ת»»Ò»¸öʵÐÍֵΪСÊý½Ø¶ÏºóµÄÕûÐÍÖµ
Int ·µ»Ø¸¡µãÊýµÄÕûÊý²¿·Ö
IntToStr ½«Êýֵת»»Îª×Ö·û´ ......