使用Windows接口关闭服务器

       #region 使用接口关闭windows系统

        /// <summary>
        /// 重启就使用DoExitWin(EWX_REBOOT)，关机就使用DoExitWin(EWX_SHUTDOWN)等
        /// </summary>
        public void SetCloseWindows()
        {
            try
            {

                DateTime dtNow = DateTime.Now;


                if (dtNow.Hour%8==0&&dtNow.Minute==59&& dtNow.Second>30)
                {
                    DoExitWin(EWX_REBOOT);
                }
               
                //DoExitWin(EWX_SHUTDOWN);
            }
            catch (Exception)
            {

                throw;
            }
        }

        [StructLayout(LayoutKind.Sequential, Pack = 1)]

        internal struct TokPriv1Luid
        {
            public int Count;

            public long Luid;

            public int Attr;

        }

        [DllImport("kernel32.dll", ExactSpelling = true)]

        internal static extern IntPtr GetCurrentProcess();

        [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]

        internal static extern bool OpenProcessToken(IntPtr h, int acc, ref IntPtr phtok);

        [DllImport("advapi32.dll", SetLastError = true)]

        internal static extern bool LookupPrivilegeValue(string host, string name, ref long pluid);

        [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]

        internal static extern bool AdjustTokenPrivileges(IntPtr htok, bool disall,

        ref TokPriv1Luid newst, int len, IntPtr prev, IntPtr relen);

        [DllImport("user32.dll", ExactSpelling = true, SetLastError = true)]

        internal static extern bool ExitWindowsEx(int flg, int rea);

        internal const int SE_PRIVILEGE_ENABLED = 0x00000002;

        internal const int TOKEN_QUERY = 0x00000008;

        internal const int TOKEN_ADJUST_PRIVILEGES = 0x00000020;

        internal const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";

        internal const int EWX_LOGOFF = 0x00000000;

        /// <summary>
        /// 关机
        /// </summary>
        internal const int EWX_SHUTDOWN = 0x00000001;

        /// <summary>
        /// 重启
        /// </summary>
        internal const int EWX_REBOOT = 0x00000002;

        internal const int EWX_FORCE = 0x00000004;

        internal const int EWX_POWEROFF = 0x00000008;

        internal const int EWX_FORCEIFHUNG = 0x00000010;


        /// <summary>
        /// 如果您想实现关机，重启等操作，只需拷贝上面的代码，并调用DoExitWin函数就行了。重启就使用DoExitWin(EWX_REBOOT)，关机就使用DoExitWin(EWX_SHUTDOWN)等
        /// </summary>
        /// <param name="flg"></param>
        private void DoExitWin(int flg)

        {

            bool ok;

            TokPriv1Luid tp;

            IntPtr hproc = GetCurrentProcess();

            IntPtr htok = IntPtr.Zero;

            ok = OpenProcessToken(hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref htok);

            tp.Count = 1;

            tp.Luid = 0;

            tp.Attr = SE_PRIVILEGE_ENABLED;

            ok = LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref tp.Luid);

            ok = AdjustTokenPrivileges(htok, false, ref tp, 0, IntPtr.Zero, IntPtr.Zero);

            ok = ExitWindowsEx(flg, 0);

        }


        #endregion