c#中怎么获取北京时间
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#region ////// 获取标准北京时间 /// /// /// ////// public static DateTime GetStandardTime() { /// // //- //- // 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("") + 6; int monthIndex = html.IndexOf(" ") - yearIndex); string month = html.Substring(monthIndex, html.IndexOf("") - monthIndex); string day = html.Substring(dayIndex, html.IndexOf("") - dayIndex); string hour = html.Substring(hourIndex, html.IndexOf("") - hourIndex); string minite = html.Substring(miniteIndex, html.IndexOf("") - miniteIndex); string second = html.Substring(secondIndex, html.IndexOf("") - 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") + 7; int dayIndex = html.IndexOf(" ") + 5; int hourIndex = html.IndexOf(" ") + 6; int miniteIndex = html.IndexOf(" ") + 8; int secondIndex = html.IndexOf(" ") + 8; string year = html.Substring(yearIndex, html.IndexOf("
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