CMD 控制台 编程 例子

很酷的程序

让我想起DOS下的游戏编程 呵呵

 

Code from Internet

// fdgf.cpp : Defines the entry point for the console application.//#include "stdafx.h"// For WinXp/* Bounce - Creates a new thread each time the letter 'a' is typed. * Each thread bounces a happy face of a different color around the screen. * All threads are terminated when the letter 'Q' is entered. * * This program requires the multithread library. For example, compile * with the following command line: * CL /MT BOUNCE.C */#include <windows.h>#include <stdlib.h>#include <string.h>#include <stdio.h>#include <conio.h>#include <process.h>#define MAX_THREADS 32/* getrandom returns a random number between min and max, which must be in * integer range. */#define getrandom( min, max ) ((rand() % (int)(((max) + 1) - (min))) + (min))int main( void ); /* Thread 1: main */void KbdFunc( void ); /* Keyboard input, thread dispatch */void BounceProc( void * MyID ); /* Threads 2 to n: display */void ClearScreen( void ); /* Screen clear */void ShutDown( void ); /* Program shutdown */void WriteTitle( int ThreadNum ); /* Display title bar information */HANDLE hConsoleOut; /* Handle to the console */HANDLE hRunMutex; /* "Keep Running" mutex */HANDLE hScreenMutex; /* "Screen update" mutex */int ThreadNr; /* Number of threads started */CONSOLE_SCREEN_BUFFER_INFO csbiInfo; /* Console information */int main() /* Thread One */{ /* Get display screen information & clear the screen.*/ hConsoleOut = GetStdHandle( STD_OUTPUT_HANDLE ); GetConsoleScreenBufferInfo( hConsoleOut, &csbiInfo ); ClearScreen(); WriteTitle( 0 ); /* Create the mutexes and reset thread count. */ hScreenMutex = CreateMutex( NULL, FALSE, NULL ); /* Cleared */ hRunMutex = CreateMutex( NULL, TRUE, NULL ); /* Set */ ThreadNr = 0; /* Start waiting for keyboard input to dispatch threads or exit. */ KbdFunc(); /* All threads done. Clean up handles. */ CloseHandle( hScreenMutex ); CloseHandle( hRunMutex ); CloseHandle( hConsoleOut );}void ShutDown( void ) /* Shut down threads */{ while ( ThreadNr > 0 ) { /* Tell thread to die and record its death. */ ReleaseMutex( hRunMutex ); ThreadNr--; } /* Clean up display when done */ WaitForSingleObject( hScreenMutex, INFINITE ); ClearScreen();}void KbdFunc( void ) /* Dispatch and count threads. */{ int KeyInfo; do { KeyInfo = _getch(); if( tolower( KeyInfo ) == 'a' && ThreadNr < MAX_THREADS ) { ThreadNr++; _beginthread( BounceProc,0,(void*)(&ThreadNr)); WriteTitle( ThreadNr ); } } while( tolower( KeyInfo ) != 'q' ); ShutDown();}void BounceProc( void *MyID ){ char MyCell, OldCell; WORD MyAttrib, OldAttrib; char BlankCell = 0x20; COORD Coords, Delta; COORD Old = {0,0}; DWORD Dummy;/* Generate update increments and initial display coordinates. */ srand( (unsigned) *(PCHAR)MyID * 3 ); Coords.X = getrandom( 0, csbiInfo.dwSize.X - 1 ); Coords.Y = getrandom( 0, csbiInfo.dwSize.Y - 1 ); Delta.X = getrandom( -3, 3 ); Delta.Y = getrandom( -3, 3 ); /* Set up "happy face" & generate color attribute from thread number.*/ if( *(PCHAR)MyID > 16) MyCell = 0x01; /* outline face */ else MyCell = 0x02; /* solid face */ MyAttrib = *(PCHAR)MyID & 0x0F; /* force black background */ do { /* Wait for display to be available, then lock it. */ WaitForSingleObject( hScreenMutex, INFINITE ); /* If we still occupy the old screen position, blank it out. */ ReadConsoleOutputCharacter( hConsoleOut, &OldCell, 1, Old, &Dummy ); ReadConsoleOutputAttribute( hConsoleOut, &OldAttrib, 1, Old, &Dummy ); if (( OldCell == MyCell ) && (OldAttrib == MyAttrib)) WriteConsoleOutputCharacter( hConsoleOut, &BlankCell, 1, Old, &Dummy ); /* Draw new face, then clear screen lock */ WriteConsoleOutputCharacter( hConsoleOut, &MyCell, 1, Coords, &Dummy ); WriteConsoleOutputAttribute( hConsoleOut, &MyAttrib, 1, Coords, &Dummy ); ReleaseMutex( hScreenMutex ); /* Increment the coordinates for next placement of the block. */ Old.X = Coords.X; Old.Y = Coords.Y; Coords.X += Delta.X; Coords.Y += Delta.Y; /* If we are about to go off the screen, reverse direction */ if( Coords.X < 0 || Coords.X >= csbiInfo.dwSize.X ) { Delta.X = -Delta.X; Beep( 400, 50 ); } if( Coords.Y < 0 || Coords.Y > csbiInfo.dwSize.Y ) { Delta.Y = -Delta.Y; Beep( 600, 50 ); } } /* Repeat while RunMutex is still taken. */ while ( WaitForSingleObject( hRunMutex, 75L ) == WAIT_TIMEOUT );}void WriteTitle( int ThreadNum ){ char NThreadMsg[80]; sprintf( NThreadMsg, "Threads running: %02d. Press 'A' to start a thread,'Q' to quit.", ThreadNum ); SetConsoleTitle( NThreadMsg );}void ClearScreen( void ){ DWORD dummy; COORD Home = { 0, 0 }; FillConsoleOutputCharacter( hConsoleOut, ' ', csbiInfo.dwSize.X * csbiInfo.dwSize.Y, Home, &dummy );}

 

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以下有用信息

 

“控制台窗口界面的编程控制”

翻译一篇文章Introduction to Multi-threaded Code 多线程编程的一些代码

使用 C 和 Win32 进行多线程编程

windows 环境下的多线程编程原理小结