用C#修改WM5.0和WM6.0 系统平台的时间

用C#在windowsMobile5.0/6.0平台上进行修改系统时间。

 

using System;using System.Collections.Generic;using System.Text;using System.Runtime.InteropServices;using DigitalCity.Terminal.Loglib;namespace ModifyTime{ /// <summary> /// 实现修改本地时间的功能 /// </summary> public class SyncSystemTime { /// <summary> /// 根据传入的时间信息，修改本地时间 /// </summary> /// <param name="serviceTime">传入的时间信息</param> public void SetLocalSystemTime(string serviceTime) { try { // 系统时间结构 SYSTEMTIME systime = new SYSTEMTIME(); // 截取年信息 systime.wYear = ( ushort ) ( Convert.ToUInt32(serviceTime.Substring(0 , 4)) ); // 截取月信息 systime.wMonth = ( ushort ) ( Convert.ToUInt32(serviceTime.Substring(4 , 2)) ); // 截取日信息 systime.wDay = ( ushort ) ( Convert.ToUInt32(serviceTime.Substring(6 , 2)) ); // 截取小时信息 systime.wHour = ( ushort ) ( Convert.ToUInt32(serviceTime.Substring(8 , 2)) ); if ( systime.wHour < 8 ) { systime.wDay = ( ushort ) ( systime.wDay - 1 ); if ( systime.wDay <= 0 ) { systime.wMonth = ( ushort ) ( systime.wMonth - 1 ); if ( systime.wMonth <= 0 ) { systime.wMonth = 12; systime.wYear = ( ushort ) ( systime.wYear - 1 ); } switch ( systime.wMonth ) { case 1: case 3: case 5: case 7: case 8: case 10: case 12: systime.wDay = 31; break; case 2: if ( ( systime.wYear / 4 == 0 ) || ( ( systime.wYear / 100 == 0 ) && ( systime.wYear / 400 == 0 ) ) ) { systime.wDay = 29; } else { systime.wDay = 28; } break; default: systime.wDay = 30; break; } } } // 将时间转为东八区时间 systime.wHour = ( ushort ) ( ( systime.wHour + 24 - 8 ) % 24 ); // 截取分钟信息 systime.wMinute = ( ushort ) ( Convert.ToUInt32(serviceTime.Substring(10 , 2)) ); // 截取秒信息 systime.wSecond = ( ushort ) ( Convert.ToUInt32(serviceTime.Substring(12 , 2)) ); // 调用系统方法，设置系统实际 SetSystemTime(ref systime); } catch ( Exception ) { Log.log.WriteIntoFile("传入的服务器时间不正确，引发异常"); } } [DllImport("coredll.dll")] private extern static uint SetSystemTime(ref SYSTEMTIME lpSystemTime); /// <summary> /// 系统时间结构 /// </summary> private struct SYSTEMTIME { // 年 public ushort wYear; // 月 public ushort wMonth; // 星期 public ushort wDayOfWeek; // 日 public ushort wDay; // 小时 public ushort wHour; // 分钟 public ushort wMinute; // 秒 public ushort wSecond; // 毫秒 public ushort wMilliseconds; } } // end of class}// end of namespace