//生成XML
XmlDocument xmlDoc = new XmlDocument();
XmlElement root = xmlDoc.CreateElement("Data");
xmlDoc.AppendChild(root);
foreach (var item in agentStateDic)
{
XmlElement element = xmlDoc.CreateElement("Agent");
element.SetAttribute("Code", item.Key);
element.SetAttribute("Status", item.Value);
root.AppendChild(element);
}
rtn = xmlDoc.InnerXml;
Code: