python操作xml文档

import clr clr.AddReference('System.Xml') from System.Xml import XmlDocument, XmlNode, XmlNodeList, XmlElement class XmlHelper:     @staticmethod     def AppendChild(filePath, xPath, xmlNode):         try:             doc = XmlDocument()             doc.Load(filePath)             xn = doc.SelectSingleNode(xPath)             n = doc.ImportNode(xmlNode, True)             xn.AppendChild(n)             doc.Save(filePath)             return True         except:             return False     @staticmethod     def AppendChildFromAnotherXml(filePath, xPath, toFilePath, toXPath):         try:             doc = XmlDocument()             doc.Load(toFilePath)             xn = doc.SelectSingleNode(toXPath)             xnList = XmlHelper.ReadNodes(filePath, xPath)             if xnList is not None:                 for xe in xnList:                     n = doc.ImportNode(xe, True)                     xn.AppendChild(n)                 doc.Save(toFilePath)             return True         except:             return False     @staticmethod     def UpdateNodeInnerText(filePath, xPath, value):         try:             doc = XmlDocument()             doc.Load(filePath)             xn = doc.SelectSingleNode(xPath)             xe = xmlNode.Cast(XmlElement)             xe.InnerText = value             doc.Save(filePath)             return True         except:             return False     @staticmethod     def LoadXmlDoc(filePath):         try:             doc = XmlDocument()             doc.Load(filePath)             return doc         except:             return None     @staticmethod     def ReadNodes(filePath, xPath):         try:             doc = XmlDocument()             doc.Load(filePath)             xn = doc.SelectSingleNode(xPath)             xnList = xn.ChildNodes  # Get the node's child nodes             return xnList         except:             return None # 使用示例 # xmlFilePath = 'path_to_your_xml_file.xml' # appended = XmlHelper.AppendChild(xmlFilePath, "Your/Xpath/Here", yourXmlNode) # if appended: #     print("Node appended successfully.") # else: #     print("Failed to append node.")