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 TimeManage
    {
        #region 设置本地时间
        [DllImport("Kernel32.dll")]
        public static extern bool SetLocalTime(ref SystemTime sysTime);

        [StructLayout(LayoutKind.Sequential)]
        public struct SystemTime
        {
            [MarshalAs(UnmanagedType.U2)]
            public short wYear;
            [MarshalAs(UnmanagedType.U2)]
            public short wMonth;
            [MarshalAs(UnmanagedType.U2)]
            public short wDayOfWeek;
            [MarshalAs(UnmanagedType.U2)]
            public short wDay;
            [MarshalAs(UnmanagedType.U2)]
            public short wHour;
            [MarshalAs(UnmanagedType.U2)]
            public short wMinute;
            [MarshalAs(UnmanagedType.U2)]
            public short wSecond;
            [MarshalAs(UnmanagedType.U2)]
            public short wMilliseconds;
        }

        /// <summary>
        /// 设置本地时间
        /// </summary>
        /// <param name="timestr"></param>
        /// <returns></returns>
        public static bool SetLocalTimeByStr(string timestr)
        {
            bool flag = false;
            SystemTime sysTime = new SystemTime();
            DateTime dt = Convert.ToDateTime(timestr);
            sysTime.wYear = Convert.ToInt16(dt.Year);
            sysTime.wMonth = Convert.ToInt16(dt.Month);
            sysTime.wDay = Convert.ToInt16(dt.Day);
            sysTime.wHour = Convert.ToInt16(dt.Hour);
            sysTime.wMinute = Convert.ToInt16(dt.Minute);
            sysTime.wSecond = Convert.ToInt16(dt.Second);
            try
            {
                flag = SetLocalTime(ref sysTime);
            }
            catch (Exception ex)
            {
                Log.MyLog.WriteLogFile("SetLocalTimeByStr函数执行异常" + ex.ToString(), "TimeManageError");
            }
            return flag;
        }

        #endregion
    }
}