用c++编写一个摇号软件,并用windows.h实现界面(使用户能输入最大值、最小值和摇号数量)

以下是一个简单的摇号软件的 C 代码，使用了 Windows API 来实现图形用户界面：

#include <windows.h>

#define ID_MIN_EDIT 1
#define ID_MAX_EDIT 2
#define ID_NUM_EDIT 3
#define ID_RESULT_EDIT 4
#define ID_SHAKE_BUTTON 5

HWND hMinEdit, hMaxEdit, hNumEdit, hResultEdit, hShakeButton;

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    WNDCLASS wc = {0};
    wc.lpfnWndProc   = WndProc;
    wc.hInstance     = hInstance;
    wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
    wc.lpszClassName = TEXT("MainWindowClass");
    if (!RegisterClass(&wc))
        return 1;

    HWND hWnd = CreateWindow(TEXT("MainWindowClass"), TEXT("摇号软件"), WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT, CW_USEDEFAULT, 400, 300, NULL, NULL, hInstance, NULL);
    if (!hWnd)
        return 2;

    hMinEdit = CreateWindow(TEXT("EDIT"), NULL, WS_CHILD | WS_VISIBLE | WS_BORDER | ES_NUMBER,
        10, 10, 100, 20, hWnd, (HMENU)ID_MIN_EDIT, hInstance, NULL);
    hMaxEdit = CreateWindow(TEXT("EDIT"), NULL, WS_CHILD | WS_VISIBLE | WS_BORDER | ES_NUMBER,
        120, 10, 100, 20, hWnd, (HMENU)ID_MAX_EDIT, hInstance, NULL);
    hNumEdit = CreateWindow(TEXT("EDIT"), NULL, WS_CHILD | WS_VISIBLE | WS_BORDER | ES_NUMBER,
        230, 10, 100, 20, hWnd, (HMENU)ID_NUM_EDIT, hInstance, NULL);
    hResultEdit = CreateWindow(TEXT("EDIT"), NULL, WS_CHILD | WS_VISIBLE | WS_BORDER | ES_MULTILINE | ES_READONLY,
        10, 40, 360, 200, hWnd, (HMENU)ID_RESULT_EDIT, hInstance, NULL);
    hShakeButton = CreateWindow(TEXT("BUTTON"), TEXT("摇号"), WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON,
        150, 250, 100, 30, hWnd, (HMENU)ID_SHAKE_BUTTON, hInstance, NULL);

    ShowWindow(hWnd, nCmdShow);
    UpdateWindow(hWnd);

    MSG msg;
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    return (int)msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch (message)
    {
    case WM_COMMAND:
        if (LOWORD(wParam) == ID_SHAKE_BUTTON && HIWORD(wParam) == BN_CLICKED)
        {
            int minVal = GetDlgItemInt(hWnd, ID_MIN_EDIT, NULL, FALSE);
            int maxVal = GetDlgItemInt(hWnd, ID_MAX_EDIT, NULL, FALSE);
            int num = GetDlgItemInt(hWnd, ID_NUM_EDIT, NULL, FALSE);
            if (minVal > maxVal)
            {
                MessageBox(hWnd, TEXT("最小值不能大于最大值"), TEXT("错误"), MB_OK | MB_ICONERROR);
                break;
            }
            if (num > maxVal - minVal + 1)
            {
                MessageBox(hWnd, TEXT("摇号数量不能超过范围内的数字数量"), TEXT("错误"), MB_OK | MB_ICONERROR);
                break;
            }
            int* nums = (int*)malloc(sizeof(int) * (maxVal - minVal + 1));
            for (int i = 0; i < maxVal - minVal + 1; i++)
                nums[i] = i + minVal;
            for (int i = 0; i < num; i++)
            {
                int j = rand() % (maxVal - minVal + 1 - i) + i;
                int temp = nums[i];
                nums[i] = nums[j];
                nums[j] = temp;
            }
            TCHAR result[1024] = TEXT("");
            for (int i = 0; i < num; i++)
            {
                TCHAR numStr[16];
                _stprintf_s(numStr, TEXT("%d\n"), nums[i]);
                _tcscat_s(result, numStr);
            }
            SetDlgItemText(hWnd, ID_RESULT_EDIT, result);
            free(nums);
        }
        break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
    default:
        return DefWindowProc(hWnd, message, wParam, lParam);
    }
    return 0;
}

这个程序创建了一个窗口，并在窗口中添加了三个编辑框和一个按钮。用户可以在编辑框中输入最小值、最大值和摇号数量，然后点击按钮来摇号。

在按钮被点击时，程序会读取编辑框中的数值，并检查它们是否合法。如果最小值大于最大值，或者摇号数量超过范围内的数字数量，程序会弹出错误提示框。否则，程序会生成一个包含所有可能的数字的数组，并随机交换数组中的元素来生成摇号结果。最后，程序将摇号结果显示在一个多行编辑框中。