test_Time.exe.zip (15 KB)

程序代码：

 // 系统时间测试程序

#include <Windows.h>
#include <conio.h>
#include <Screen.h>

// 全局变量
Screen screen;

// 函数声明
VOID ShowDigit(const WCHAR digit, COORD location);

// 程序主入口
VOID wmain(VOID)
{
    screen.SetTitle(L"系统时间测试程序");
    screen.SetTextAttribute(FOREGROUND_WHITE | BACKGROUND_BLUE).Cls();
    screen.SetCursorVisible(false);

    screen.MoveCursor(0, screen.GetRows() - 1).WriteText(L"====按Esc键停止====");
    while (!(_kbhit() && (screen.ReadKey() == screen.K_ESC)))
    {
        static WORD second(-1);
        SYSTEMTIME st;
        GetLocalTime(&st);
        if (st.wSecond != second)
        {
            COORD location = {5, 2};
            WCHAR buffer[50];
            swprintf_s(buffer, L"%4d-%02d-%02d  %02d:%02d:%02d", st.wYear, st.wMonth, st.wDay, st.wHour, st.wMinute, st.wSecond);
            for (size_t i = 0; i < wcslen(buffer); ++i)
            {
                ShowDigit(buffer[i], location);
                location.X += 3;
            }
            second = st.wSecond;
        }
    }

    screen.SetCursorVisible(true);
}

// 显示LED数字
VOID ShowDigit(const WCHAR digit, COORD location)
{
    const WORD attr(screen.GetTextAttribute());
    const WCHAR character = L' ';

    switch (digit)
    {
    case '-':
        screen.MoveCursor(location).SetTextAttribute(attr | COMMON_LVB_UNDERSCORE).WriteText(character);
        break;
    case ':':
        screen.MoveCursor(location).SetTextAttribute(attr).WriteText(L'·');
        ++location.Y;
        screen.MoveCursor(location).SetTextAttribute(attr).WriteText(L'·');
        break;
    case '0':
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_LVERTICAL | COMMON_LVB_GRID_HORIZONTAL).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_GRID_RVERTICAL).WriteText(character);
        ++location.Y;
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_LVERTICAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_RVERTICAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        break;
    case '1':
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_RVERTICAL).WriteText(character);
        screen.SetTextAttribute(attr).WriteText(character);
        ++location.Y;
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_RVERTICAL).WriteText(character);
        screen.SetTextAttribute(attr).WriteText(character);
        break;
    case '2':
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_UNDERSCORE | COMMON_LVB_GRID_RVERTICAL).WriteText(character);
        ++location.Y;
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_LVERTICAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_UNDERSCORE).WriteText(character);
        break;
    case '3':
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_UNDERSCORE | COMMON_LVB_GRID_RVERTICAL).WriteText(character);
        ++location.Y;
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_UNDERSCORE | COMMON_LVB_GRID_RVERTICAL).WriteText(character);
        break;
    case '4':
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_LVERTICAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_UNDERSCORE | COMMON_LVB_GRID_RVERTICAL).WriteText(character);
        ++location.Y;
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_RVERTICAL).WriteText(character);
        break;
    case '5':
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_LVERTICAL | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        ++location.Y;
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_RVERTICAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        break;
    case '6':
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_LVERTICAL | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        ++location.Y;
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_LVERTICAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_RVERTICAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        break;
    case '7':
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_HORIZONTAL).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_GRID_RVERTICAL).WriteText(character);
        ++location.Y;
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_RVERTICAL).WriteText(character);
        break;
    case '8':
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_LVERTICAL | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_GRID_RVERTICAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        ++location.Y;
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_LVERTICAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_RVERTICAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        break;
    case '9':
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_LVERTICAL | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_HORIZONTAL | COMMON_LVB_GRID_RVERTICAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        ++location.Y;
        screen.MoveCursor(location);
        screen.SetTextAttribute(attr | COMMON_LVB_UNDERSCORE).WriteText(character);
        screen.SetTextAttribute(attr | COMMON_LVB_GRID_RVERTICAL | COMMON_LVB_UNDERSCORE).WriteText(character);
        break;
    }

    screen.SetTextAttribute(attr);
}