#region 获取北京时间
/// <summary>
/// 获取北京时间
/// </summary>
/// <returns></returns>
public DateTime GetBeiJinTime()
{
string[,] arrList = new string[14, 2];
arrList[0, 0] = "time-a.nist.gov";
arrList[0, 1] = "129.6.15.28";
arrList[1, 0] = "time-b.nist.gov";
arrList[1, 1] = "129.6.15.29";
arrList[2, 0] = "time-a.timefreq.bldrdoc.gov";
arrList[2, 1] = "132.163.4.101";
arrList[3, 0] = "time-b.timefreq.bldrdoc.gov";
arrList[3, 1] = "132.163.4.102";
arrList[4, 0] = "time-c.timefreq.bldrdoc.gov";
arrList[4, 1] = "132.163.4.103";
arrList[5, 0] = "utcnist.colorado.edu";
arrList[5, 1] = "128.138.140.44";
arrList[6, 0] = "time.nist.gov";
arrList[6, 1] = "192.43.244.18";
arrList[7, 0] = "time-nw.nist.gov";
arrList[7, 1] = "131.107.1.10";
arrList[8, 0] = "nist1.symmetricom.com";
arrList[8, 1] = "69.25.96.13";
arrList[9, 0] = "nist1-dc.glassey.com";
arrList[9, 1] = "216.200.93.8";
arrList[10, 0] = "nist1-ny.glassey.com";
arrList[10, 1] = "208.184.49.9";
arrList[11, 0] = "nist1-sj.glassey.com";
arrList[11, 1] = "207.126.98.204";
arrList[12, 0] = "nist1.aol-ca.truetime.com";
arrList[12, 1] = "207.200.81.113";
arrList[13, 0] = "nist1.aol-va.truetime.com";
arrList[13, 1] = "64.236.96.53";
int port = 13;
byte[] array3 = new byte[1024];
int len = 0;
int[] array2 = new int[] { 3, 2, 4, 8, 9, 6, 11, 5, 10, 0, 1, 7, 12 };
TcpClient tcpClient = new TcpClient();
for (int i = 0; i < 13; i++)
{
string hostname = arrList[array2[i], 0];
try
{
tcpClient.Connect(hostname, port);
NetworkStream stream = tcpClient.GetStream();
len = stream.Read(array3, 0, array3.Length);
tcpClient.Close();
break;
}
catch { }
}
DateTime result = default(DateTime);
if (len != 0)
{
string data = Encoding.ASCII.GetString(array3, 0, len);
string[] arr = data.Split(new char[] { ' ' });
result = DateTime.Parse(arr[1] + " " + arr[2]);
}
return result;
}
#endregion