c++ builder 程序设计实用教程 - 9_4 多进程技术应用222 - 张晋 - 17xie.htm

已经消失的不易找到的C++ builder网络教程总结

style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>Caption = '</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">开始排序</SPAN><SPAN 
lang=EN-US style="FONT-FAMILY: 'Times New Roman'">'<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>TabOrder = 
0<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>OnClick = 
StartBtnClick<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>end<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'"><o:p>&nbsp;</o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">end<o:p></o:p></SPAN></P>
<H4><SPAN lang=EN-US>2</SPAN><SPAN 
style="FONT-FAMILY: 楷体_GB2312; mso-ascii-font-family: 'Times New Roman'">．程序设计</SPAN></H4>
<P class=MsoNormalIndent><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">本示例应用程序项目我们设计了两个单元文件，分别是</SPAN><SPAN 
lang=EN-US>Thsort.cpp</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">和</SPAN><SPAN 
lang=EN-US>SortThd.cpp</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</SPAN></P>
<P class=MsoNormalIndent><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">单元文件</SPAN><SPAN 
lang=EN-US>SortThd.cpp</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">主要作用是定义程序中需要使用的三个进程类：</SPAN><SPAN 
lang=EN-US>TbubbleSort</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、</SPAN><SPAN 
lang=EN-US>TselectionSort</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">和</SPAN><SPAN 
lang=EN-US>TquickSort</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，它们都是派生类</SPAN><SPAN 
lang=EN-US>TsortThread</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">类的派生类，而</SPAN><SPAN 
lang=EN-US>TsortThread</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">类是由</SPAN><SPAN 
lang=EN-US>CBuilder 5</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">提供的进程基类</SPAN><SPAN 
lang=EN-US>Tthread</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">派生而来。</SPAN></P>
<P class=MsoNormalIndent><SPAN 
style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">由于篇幅所限，我们不再详细讲解程序的设计思路，下面给出该单元文件的详细代码，请读者下去研究。</SPAN></P>
<DIV 
style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 4pt; PADDING-BOTTOM: 1pt; BORDER-LEFT: windowtext 1pt solid; PADDING-TOP: 1pt; BORDER-BOTTOM: windowtext 1pt solid; mso-border-alt: solid windowtext .5pt; mso-element: para-border-div">
<P class=a2 
style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0cm; BORDER-TOP: medium none; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; MARGIN: 2pt 0cm 6pt; BORDER-LEFT: medium none; PADDING-TOP: 0cm; BORDER-BOTTOM: medium none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 1.0pt 4.0pt 1.0pt 4.0pt"><SPAN 
style="FONT-FAMILY: 仿宋_GB2312; mso-ascii-font-family: 'Times New Roman'">程序清单（</SPAN><SPAN 
lang=EN-US>SortThd</SPAN><SPAN 
style="FONT-FAMILY: 仿宋_GB2312; mso-ascii-font-family: 'Times New Roman'">单元文件代码）</SPAN></P></DIV>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">#include 
&lt;vcl.h&gt;<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">#pragma 
hdrstop<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'"><o:p>&nbsp;</o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">#include 
"sortthd.h"<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">//---------------------------------------------------------------------<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">void 
__fastcall PaintLine(TCanvas *Canvas, int I, int Len)<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">{<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>TPoint points[2];<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'"><o:p>&nbsp;</o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>points[0] = Point(0, 
I*2+1);<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>points[1] = Point(Len, 
I*2+1);<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'"><o:p>&nbsp;</o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; 
</SPAN>Canvas-&gt;Polyline(EXISTINGARRAY(points));<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">}<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">//---------------------------------------------------------------------<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">__fastcall 
TSortThread::TSortThread(TPaintBox *Box, int *SortArray, <o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>const int 
SortArray_Size)<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>: 
TThread(False)<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">{<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>FBox = Box;<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>FSortArray = 
SortArray;<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>FSize = SortArray_Size + 
1;<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>FreeOnTerminate = 
True;<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">}<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">//---------------------------------------------------------------------<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'"><o:p>&nbsp;</o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">void 
__fastcall TSortThread::DoVisualSwap()<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">{<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>TCanvas *canvas;<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>canvas = 
FBox-&gt;Canvas;<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>canvas-&gt;Pen-&gt;Color = 
TColor(clBtnFace);<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>PaintLine(canvas, FI, 
FA);<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>PaintLine(canvas, FJ, 
FB);<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>canvas-&gt;Pen-&gt;Color = 
clRed;<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>PaintLine(canvas, FI, 
FB);<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>PaintLine(canvas, FJ, 
FA);<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">}<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">//---------------------------------------------------------------------<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'"><o:p>&nbsp;</o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">void 
__fastcall TSortThread::VisualSwap(int A, int B, int I, int 
J)<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">{<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>FA = A;<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>FB = B;<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>FI = I;<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>FJ = J;<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'"><o:p>&nbsp;</o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; 
</SPAN>Synchronize(DoVisualSwap);<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">}<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">//---------------------------------------------------------------------<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">/* The 
Execute method is called when the thread starts */<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'"><o:p>&nbsp;</o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">void 
__fastcall TSortThread::Execute()<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">{<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>Sort(FSortArray, 
FSize-1);<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">}<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">//---------------------------------------------------------------------<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'"><o:p>&nbsp;</o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">__fastcall 
TBubbleSort::TBubbleSort(TPaintBox *Box, int *SortArray, <o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>const int 
SortArray_Size)<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>: TSortThread(Box, SortArray, 
SortArray_Size)<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">{<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">}<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">//---------------------------------------------------------------------<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'"><o:p>&nbsp;</o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'">void 
__fastcall TBubbleSort::Sort(int *A, int const AHigh)<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US 
style="FONT-FAMILY: 'Times New Roman'">{<o:p></o:p></SPAN></P>
<P class=a3><SPAN lang=EN-US style="FONT-FAMILY: 'Times New Roman'"><SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>int I, J, T;<o:p></o:p></SPAN></P>