一个控制台程序有没有办法获取自身的控制台屏幕的文本内容？
--
修改:bn95 FROM 103.98.245.*
FROM 103.98.245.*

控制台有各种用户操作
想在控制台的最后把控制台屏幕的文本保存到文件

【 在 ilovecpp 的大作中提到: 】
: 没有通用方法。看你具体要实现什么功能。
--
修改:bn95 FROM 103.98.245.*
FROM 103.98.245.*

控制台程序是自己开发的。
控制台有各种用户操作以及输入的。
想在控制台的最后让控制台自己把控制台屏幕的文本保存到文件。


【 在 ilovecpp 的大作中提到: 】
: 还要更具体。
: 比如，把该程序自己的输出写到文件？那重定向就行了。
--
修改:bn95 FROM 103.98.245.*
FROM 103.98.245.*

解决了

bool ReadConsoleIO()
{
    // Get a handle to the STDOUT screen buffer to copy from and
    // create a new screen buffer to copy to.
    HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);

    CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
    if (!GetConsoleScreenBufferInfo(hStdout, &csbiInfo))
    {
        printf("GetConsoleScreenBufferInfo failed %d/n", GetLastError());
        return false;
    }

    int nLines = csbiInfo.dwCursorPosition.X > 0 ?
        csbiInfo.dwCursorPosition.Y + 1 : csbiInfo.dwCursorPosition.Y;
    int nCharNums = nLines * csbiInfo.dwSize.X;
    char *szBuf = new char[nCharNums + MAX_BUFFER];
    ZeroMemory(szBuf, nCharNums + MAX_BUFFER);
    char *pszSrc = szBuf;
    BOOL bSuccess = FALSE;

    // Set the source rectangle.
    SMALL_RECT srctReadRect;
    srctReadRect.Top = 0;    // top left: row 0, col 0
    srctReadRect.Left = 0;
    srctReadRect.Bottom = nLines; // bot. right: row 1, col 79
    srctReadRect.Right = csbiInfo.dwSize.X;

    // The top left destination cell of the temporary buffer is
    // row 0, col 0.
    COORD coordBufCoord;
    coordBufCoord.X = 0;
    coordBufCoord.Y = 0;

    COORD coordBufSize;
    coordBufSize.Y = nLines; // rows
    coordBufSize.X = csbiInfo.dwSize.X; // cols

    CHAR_INFO *chiBuffer = new CHAR_INFO[nCharNums];
    bSuccess = ReadConsoleOutput(
        hStdout,        // screen buffer to read from
        chiBuffer,      // buffer to copy into
        coordBufSize,   // col-row size of chiBuffer
        coordBufCoord,  // top left dest. cell in chiBuffer
        &srctReadRect); // screen buffer source rectangle
    if (FALSE == bSuccess)
        return false;

    for (int i = 0; i < nCharNums; ++i)
    {
        if ((FOREGROUND_BLUE & chiBuffer[i].Attributes) &&
            (FOREGROUND_GREEN & chiBuffer[i].Attributes) &&
            (FOREGROUND_RED & chiBuffer[i].Attributes))
        {
            if ((chiBuffer[i].Attributes & COMMON_LVB_LEADING_BYTE) &&
                (chiBuffer[i + 1].Attributes & COMMON_LVB_TRAILING_BYTE))
            {
                *szBuf++ = chiBuffer[i].Char.AsciiChar;
                *szBuf++ = chiBuffer[++i].Char.AsciiChar;
            }
            else
            {
                *szBuf++ = (chiBuffer[i].Char.AsciiChar);
            }
        }

        // add "/r/n"
        if (0 == (i + 1) % csbiInfo.dwSize.X)
        {
            *szBuf++ = '/r';
            *szBuf++ = '/n';
        }
    }

    // show the standard output message
    MessageBox(NULL, pszSrc, "ReadConsole", MB_OK);

        if (NULL != pszSrc)
    {
        delete[] pszSrc;
        pszSrc = NULL;
    }

    if (NULL != chiBuffer)
    {
        delete[] chiBuffer;
        chiBuffer = NULL;
    }

    return true;
}
--
FROM 103.98.245.*