简单代码从网络同步标准北京时间代码,CSharp代码库,德仔网

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【CSharp】简单代码从网络同步标准北京时间

作者: / 发布于2014/5/22/ 726

简单代码从网络同步标准北京时间


	#region
	 /// <summary>
	 /// 获取标准北京时间
	 /// /// </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

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