日期时间设置

湖中仙人 2010-09-08 10:15:59

我取回服务器上的日期时间后，在本机上如何将本机的日期时间设置为与服务器一致？？

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切换为时间正序

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glest 2010-09-09

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[Quote=引用 11 楼 xiaowengang 的回复:]

还是没解决啊，用远程服务器上的日期时间修改本机的日期时间
[/Quote]

可能是权限问题。单独建一个工程试一下上面的代码。

湖中仙人 2010-09-09

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还是没解决啊，用远程服务器上的日期时间修改本机的日期时间

下山老虎打_ 2010-09-09

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来学习的

glest 2010-09-09

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我是在本地管理员administrator下测试的。

湖中仙人 2010-09-09

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glest,谢谢了，
不过少了个命名空间；
using System.Runtime.InteropServices;

glest 2010-09-09

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汗！测试了一下上面的代码都有毛病：猫哥的不能修改，后面提供的没考虑时区，导致修改错误。
两者结合就OK了：



    public class Win32

    {

        [StructLayout(LayoutKind.Sequential)]

        public struct SystemTime

        {

            public ushort year;

            public ushort month;

            public ushort dayofweek;

            public ushort day;

            public ushort hour;

            public ushort minute;

            public ushort second;

            public ushort milliseconds;

        }



        [ DllImport( "Kernel32.dll" )]

         private static extern Boolean SetSystemTime(ref SystemTime st);



        [DllImport("Kernel32.dll ")]

        public static extern void GetSystemTime(ref SystemTime sysTime);



        public static bool SetSysTime(ref DateTime newdatetime)

        {

            SystemTime st = new SystemTime();

            st.year = Convert.ToUInt16(newdatetime.Year);

            st.month = Convert.ToUInt16(newdatetime.Month);

            st.day = Convert.ToUInt16(newdatetime.Day);

            st.dayofweek = Convert.ToUInt16(newdatetime.DayOfWeek);

            st.hour = Convert.ToUInt16(newdatetime.Hour - TimeZone.CurrentTimeZone.GetUtcOffset(new DateTime(2001, 09, 01)).Hours);

            st.minute = Convert.ToUInt16(newdatetime.Minute);

            st.second = Convert.ToUInt16(newdatetime.Second);

            st.milliseconds = Convert.ToUInt16(newdatetime.Millisecond);

            

            return SetSystemTime(ref st);

        }



    }

调用：

 DateTime dt = DateTime.Parse("2010-9-9 16:00:00");

            bool b= Win32.SetSysTime(ref dt);

glest 2010-09-09

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我给你测试下

湖中仙人 2010-09-09

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唉，没想到改个日期和时间这么难

上海程序员3 2010-09-08

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问下windows 7上能直接运行此代码吗，好像权限上的问题，不能直接运行了吧

ljb3326 2010-09-08

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学习。。。。。。。

wuyq11 2010-09-08

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using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential)]
public 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 wMiliseconds;
}

public class Win32
{
[DllImport( "Kernel32.dll ")]
public static extern bool SetSystemTime( ref SystemTime sysTime );
[DllImport( "Kernel32.dll ")]
public static extern void GetSystemTime(ref SystemTime sysTime);
}

public class TestPInvoke
{
public static void Main()
{
SystemTime sysTime = new SystemTime();

sysTime.wYear = 2003;
sysTime.wMonth=1;
sysTime.wDay=1;
sysTime.wHour=1;
sysTime.wMinute=1;
sysTime.wSecond=1;
sysTime.wMiliseconds=1;

Win32.SetSystemTime(ref sysTime);
}
}

湖中仙人 2010-09-08

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怎么比VB6还麻烦

whh_bigsea 2010-09-08

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解析时间，然后调用win32API

porschev 2010-09-08

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[Quote=引用 1 楼 q107770540 的回复:]
C# code

/// <summary>
2 ///系统时间类
3 /// </summary>
4 [ StructLayout( LayoutKind.Sequential )]
5 public class SystemTime
6 {
7 public ushort year;
8 public ushort month;
9 public u……
[/Quote]

调用windows时间API

ztenv 2010-09-08

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解析时间，然后调用win32API

glest 2010-09-08

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using       System;       

    using       System.Runtime.InteropServices;       

        

    [StructLayout(LayoutKind.Sequential)]       

    public       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       wMiliseconds;       

    }       

        

    public       class       Win32       

    {       

    [DllImport( "Kernel32.dll ")]       

    public       static       extern       bool       SetSystemTime(       ref       SystemTime       sysTime       );       

    [DllImport( "Kernel32.dll ")]       

    public       static       extern       void       GetSystemTime(ref       SystemTime       sysTime);       

    }       

        

    public       class       TestPInvoke       

    {       

    public       static       void       Main()       

    {       

    SystemTime       sysTime       =       new       SystemTime();       

        

    sysTime.wYear       =       2003;       

    sysTime.wMonth=1;       

    sysTime.wDay=1;       

    sysTime.wHour=1;       

    sysTime.wMinute=1;       

    sysTime.wSecond=1;       

    sysTime.wMiliseconds=1;       

        

    Win32.SetSystemTime(ref       sysTime);       

    }       

    }

glest 2010-09-08

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using       System;       

    using       System.Runtime.InteropServices;       

        

    [StructLayout(LayoutKind.Sequential)]       

    public       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       wMiliseconds;       

    }       

        

    public       class       Win32       

    {       

    [DllImport( "Kernel32.dll ")]       

    public       static       extern       bool       SetSystemTime(       ref       SystemTime       sysTime       );       

    [DllImport( "Kernel32.dll ")]       

    public       static       extern       void       GetSystemTime(ref       SystemTime       sysTime);       

    }       

        

    public       class       TestPInvoke       

    {       

    public       static       void       Main()       

    {       

    SystemTime       sysTime       =       new       SystemTime();       

        

    sysTime.wYear       =       2003;       

    sysTime.wMonth=1;       

    sysTime.wDay=1;       [code=C#]

sysTime.wHour=1;
sysTime.wMinute=1;
sysTime.wSecond=1;
sysTime.wMiliseconds=1;

Win32.SetSystemTime(ref sysTime);
}
} [/code]

q107770540 2010-09-08

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/// <summary>

 2 ///系统时间类

 3 /// </summary>

 4 [ StructLayout( LayoutKind.Sequential )]

 5 public class SystemTime

 6 {

 7  public ushort year;

 8  public ushort month;

 9  public ushort dayofweek;

10  public ushort day;

11  public ushort hour;

12  public ushort minute;

13  public ushort second;

14  public ushort milliseconds;

15 }

16

17 /// <summary>

18 /// Windows API方法

19 /// </summary>

20 public class WinAPI

21 {

22  [ DllImport( "Kernel32.dll" )]

23  private static extern Boolean SetSystemTime([In,Out] SystemTime st);

24

25  /// <summary>

26  /// 设置系统时间

27  /// </summary>

28  /// <param name="newdatetime">新时间</param>

29  /// <returns></returns>

30  public static bool SetSysTime(DateTime newdatetime)

31  {

32   SystemTime st = new SystemTime();

33   st.year    = Convert.ToUInt16(newdatetime.Year);

34   st.month   = Convert.ToUInt16(newdatetime.Month);

35   st.day    = Convert.ToUInt16(newdatetime.Day);

36   st.dayofweek  = Convert.ToUInt16(newdatetime.DayOfWeek);

37   st.hour    = Convert.ToUInt16(newdatetime.Hour - TimeZone.CurrentTimeZone.GetUtcOffset(new DateTime(2001,09,01)).Hours);

38   st.minute   = Convert.ToUInt16(newdatetime.Minute);

39   st.second   = Convert.ToUInt16(newdatetime.Second);

40   st.milliseconds  = Convert.ToUInt16(newdatetime.Millisecond);

41   return SetSystemTime(st);

42  }

43 }