/// <summary>
/// 将消息写入流。
/// </summary>
/// <param name="stream">流。</param>
public void WriteResponseText(Stream stream)
{
StreamWriter writer = new StreamWriter(stream);
XDocument doc = new XDocument();
var root = new XElement("xml");
root.Add(new XElement("ToUserName", ToUser));
root.Add(new XElement("FromUserName", FromUser));
root.Add(new XElement("CreateTime", (int)(CreateDate.ToUniversalTime() - new DateTime(1970, 1, 1)).TotalSeconds));
root.Add(new XElement("MsgType", Type));
var nodes = GetResponseNode();
if (nodes != null)
{
root.Add(nodes);
}
doc.Add(root);
doc.Save(writer);
}