App_win_iot_V2.0/IOTContainer/Common/SyncServerTime.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace IOTContainer.Common
{
    public class SyncServerTime
    {
        internal struct SYSTEMTIME
        {
            public ushort wYear;
            public ushort wMonth;
            public ushort wDayOfWeek;
            public ushort wDay;
            public ushort wHour;
            public ushort wMinute;
            public ushort wSecond;
            public ushort wMilliseconds;

            /// <summary>
            /// 从System.DateTime转换。
            /// </summary>
            /// <param name="time">System.DateTime类型的时间。</param>
            public void FromDateTime(DateTime time)
            {
                wYear = (ushort)time.Year;
                wMonth = (ushort)time.Month;
                wDayOfWeek = (ushort)time.DayOfWeek;
                wDay = (ushort)time.Day;
                wHour = (ushort)time.Hour;
                wMinute = (ushort)time.Minute;
                wSecond = (ushort)time.Second;
                wMilliseconds = (ushort)time.Millisecond;
            }
            /// <summary>
            /// 转换为System.DateTime类型。
            /// </summary>
            /// <returns></returns>
            public DateTime ToDateTime()
            {
                return new DateTime(wYear, wMonth, wDay, wHour, wMinute, wSecond, wMilliseconds);
            }
            /// <summary>
            /// 静态方法。转换为System.DateTime类型。
            /// </summary>
            /// <param name="time">SYSTEMTIME类型的时间。</param>
            /// <returns></returns>
            public static DateTime ToDateTime(SYSTEMTIME time)
            {
                return time.ToDateTime();
            }
        }
        internal class Win32API
        {
            [DllImport("Kernel32.dll")]
            public static extern bool SetLocalTime(ref SYSTEMTIME Time);
            [DllImport("Kernel32.dll")]
            public static extern void GetLocalTime(ref SYSTEMTIME Time);
        }
        public class SystemHelper
        {
            public static void SetLocalMachineTime(DateTime dt)
            {
                try
                {
                    //转换System.DateTime到SYSTEMTIME
                    SYSTEMTIME st = new SYSTEMTIME();
                    st.FromDateTime(dt);
                    //调用Win32 API设置系统时间
                    Win32API.SetLocalTime(ref st);
                }
                catch (Exception ex)
                {

                    Log.MyLog.WriteLogFile($"SetLocalMachineTime：{ex.ToString()}");
                }

            }
        }
    }
}