Win32控制台清屏方法
2016-06-20 00:00
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最后觉得项目中的控制台不大好用,就添加了一些小功能,比如清屏;当然最简单的方法是调用系统自带的函数system(“cls”);,这里提供一个方法一样可以清屏(测试要比cls快一些):
/* Standard error macro for reporting API errors */ #define PERR(bSuccess, api){if(!(bSuccess)) printf("%s:Error %d from %s \ on line %d\n", __FILE__, GetLastError(), api, __LINE__);} void cls( HANDLE hConsole ) { COORD coordScreen = { 0, 0 }; /* here's where we'll home the cursor */ BOOL bSuccess; DWORD cCharsWritten; CONSOLE_SCREEN_BUFFER_INFO csbi; /* to get buffer info */ DWORD dwConSize; /* number of character cells in the current buffer */ /* get the number of character cells in the current buffer */ bSuccess = GetConsoleScreenBufferInfo( hConsole, &csbi ); PERR( bSuccess, "GetConsoleScreenBufferInfo" ); dwConSize = csbi.dwSize.X * csbi.dwSize.Y; /* fill the entire screen with blanks */ bSuccess = FillConsoleOutputCharacter( hConsole, (TCHAR) ' ', dwConSize, coordScreen, &cCharsWritten ); PERR( bSuccess, "FillConsoleOutputCharacter" ); /* get the current text attribute */ bSuccess = GetConsoleScreenBufferInfo( hConsole, &csbi ); PERR( bSuccess, "ConsoleScreenBufferInfo" ); /* now set the buffer's attributes accordingly */ bSuccess = FillConsoleOutputAttribute( hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten ); PERR( bSuccess, "FillConsoleOutputAttribute" ); /* put the cursor at (0, 0) */ bSuccess = SetConsoleCursorPosition( hConsole, coordScreen ); PERR( bSuccess, "SetConsoleCursorPosition" ); return; }
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