public List <DeviceEntity> ImportDevice(string path)
{
List <DeviceEntity> rlt = new List <DeviceEntity>();
if (path == "")
{
return(rlt);
}
XmlDocument xml = new XmlDocument();
try
{
xml.Load(path);
}
catch (Exception error)
{
throw new Exception(
$"解析[{Path.GetFileName(path)}]时出错：[{error.Message}]");
}
XmlNode root = xml.SelectSingleNode("root");
if (root == null)
{
throw new Exception("配置文件中没有 root 根节点");
}
PLCType plcType = PLCType.SIEMENS;
XmlNode plcNode = root.FirstChild;
while (plcNode != null)
{
if (plcNode.Name.ToUpper() == "SIEMENSPLC")
{
plcType = PLCType.SIEMENS;
PLCEntity plcEntity = new PLCEntity()
{
IPAddress = XMLHelper.GetAttributeStringValue(plcNode, "IPAddress", "127.0.0.1"),
Rack = XMLHelper.GetAttributeIntValue(plcNode, "Rack", 0),
Slot = XMLHelper.GetAttributeIntValue(plcNode, "Slot", 0),
};
XmlNode deviceNode = plcNode.FirstChild;
while (deviceNode != null)
{
DeviceEntity device =
DeviceEntity.ImportFromXmlNode(
this,
deviceNode,
plcType,
plcEntity);
if (device != null)
{
Devices.Add(device, _addToWholeEntityQueueHandler);
rlt.Add(device);
}
deviceNode = deviceNode.NextSibling;
}
}
plcNode = plcNode.NextSibling;
}
return(rlt);
}
