程序代码：

#include <Windows.h>
#include <time.h>

using namespace System;

void main(void)
{
    Console::WriteLine(L"欢迎您使用C++/CLI");
    Console::WriteLine();

    const WCHAR Weeks[] = { L'日', L'一', L'二', L'三', L'四', L'五', L'六' };

    time_t Now;
    time(&Now);
    tm Today;
    localtime_s(&Today, &Now);
    Console::WriteLine(L"今天的日期是：{0}-{1}-{2} 星期{3} 是当年的第{4}天",
                                       Today.tm_year + 1900,
                                       Today.tm_mon + 1,
                                       Today.tm_mday,
                                       Weeks[Today.tm_wday],
                                       Today.tm_yday + 1);
   
    Console::ReadLine();
}