c#獲取北京時間代碼

#region

/// <summary>

/// 獲取標準北京時間

/// /// </summary>

/// /// <returns></returns>

///

public static DateTime GetStandardTime()   

{

/// //<?xml version="1.0" encoding="GB2312" ?>

//- <ntsc>

//- <time>

// <year>2013</year>

// <month>8</month>

// <day>29</day> 

// <Weekday /> 

// <hour>16</hour>

// <minite>29</minite>

// <second>12</second> 

// <Millisecond />

// </time> 

// </ntsc> 

DateTime dt;

WebRequest wrt = null;

WebResponse wrp = null;

try

{

wrt = WebRequest.Create("http://www.time.ac.cn/timeflash.asp?user=flash"); 

wrt.Credentials = CredentialCache.DefaultCredentials;

  wrp = wrt.GetResponse();

  StreamReader sr = new StreamReader(wrp.GetResponseStream(),Encoding.UTF8);

  string html = sr.ReadToEnd();

  sr.Close();

  wrp.Close();

  int yearIndex = html.IndexOf("<year>") + 6;

  int monthIndex = html.IndexOf("<month>") + 7;

  int dayIndex = html.IndexOf("<day>") + 5;

  int hourIndex = html.IndexOf("<hour>") + 6;

  int miniteIndex = html.IndexOf("<minite>") + 8;

  int secondIndex = html.IndexOf("<second>") + 8;

  string year = html.Substring(yearIndex, html.IndexOf("</year>") - yearIndex);

  string month = html.Substring(monthIndex, html.IndexOf("</month>") - monthIndex);

  string day = html.Substring(dayIndex, html.IndexOf("</day>") - dayIndex);

  string hour = html.Substring(hourIndex, html.IndexOf("</hour>") - hourIndex);

  string minite = html.Substring(miniteIndex, html.IndexOf("</minite>") - miniteIndex);

  string second = html.Substring(secondIndex, html.IndexOf("</second>") - secondIndex);

  dt = DateTime.Parse(year + "-" + month + "-" + day + " " + hour + ":" + minite + ":" + second);

}

catch (WebException)

{

  return DateTime.Parse("2013-1-1");

}

catch (Exception)

{

  return DateTime.Parse("2013-1-1");

}

finally

{

  if (wrp != null)

 wrp.Close();

  if (wrt != null)

 wrt.Abort();

}

   return dt;

 }

#endregion