C#读取XML文件

一

xml结构如下:

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <connectionStrings>
    <file>C:\Users\Desktop\机台数据\eventdata.txt</file>
    <line>SA5R22EB-27B4-48D7-9DE9-C9DF6DDF61AF</line><!--1406-->
    <MachinePlatNO>1</MachinePlatNO>
  </connectionStrings>

  <connectionStrings>
    <file>C:\Users\Desktop\机台数据\eventdata.txt</file>
    <line>URH672EB-27B4-48D7-9DE9-C9DF6DDF61AF</line>
    <!--1406-->
    <MachinePlatNO>1</MachinePlatNO>
  </connectionStrings>

  <connectionStrings>
    <file>C:\Users\Desktop\机台数据\eventdata.txt</file>
    <line>ADF672EB-27B4-48D7-9DE9-C9DF6DDF61AF</line>
    <!--1406-->
    <MachinePlatNO>1</MachinePlatNO>
  </connectionStrings>
  
</configuration>

 

解析方法如下:

 private List<MachInfo> ReadXMLInfo()
        {
            try
            {
                List<MachInfo> machInfos = new List<MachInfo>();
                XmlDocument xmlDoc = new XmlDocument();
                //读取XML文件
                xmlDoc.Load(@"D:\SMT生产看板桌面端服务端\SMTWindowsService\WindowsService\DataHandle\LocalXML.xml");
                //遍历读取根节点下所有子节点
                XmlElement xmlElement = xmlDoc.DocumentElement;//取到根结点
                foreach (XmlNode xmlNode in xmlElement.ChildNodes)
                {
                    MachInfo machInfo = new MachInfo();
                    //文件路径
                    machInfo.file = xmlNode.SelectSingleNode("file").InnerText;
                    //线体
                    machInfo.line = xmlNode.SelectSingleNode("line").InnerText;
                    //机台号
                    machInfo.MachinePlatNO = xmlNode.SelectSingleNode("MachinePlatNO").InnerText;
                    machInfos.Add(machInfo);
                }

                //读取指定节点
                //XmlNode xmlNode = xmlDoc.SelectSingleNode("//connectionStrings");
                ////文件路径
                //file = xmlNode.SelectSingleNode("file").InnerText;
                ////线体
                //line = xmlNode.SelectSingleNode("line").InnerText;
                ////机台号
                //MachinePlatNO = xmlNode.SelectSingleNode("MachinePlatNO").InnerText;

                return machInfos;
            }
            catch (Exception e)
            {
                return null;
            }
        }

 

 

 

 

二.

        /// <summary>
        /// 获取路径配置
        /// </summary>
        /// <returns></returns>
        public string GetSMTPath()
        {
            string path = string.Empty;
            try
            {
                path = GetXmlNodeValue("Config/SMTPath/Path");
            }
            catch
            {
                path = "";
            }
            return path;
        }


        /// <summary>
        /// 读取指定节点的值(InnerText)
        /// </summary>
        /// <param name="strNode">节点名称</param>
        /// <returns></returns>
        private string GetXmlNodeValue(string strNode)
        {
            //if (!File.Exists(path))
            //{
            //    var file=File.Create(path);
            //    file.Close();

            //}
            xmlDoc.Load(path);
            string strReturn = String.Empty;
            try
            {
                //根据路径获取节点
                XmlNode xmlNode = xmlDoc.SelectSingleNode(strNode);
                if (!(xmlNode == null))
                    strReturn = xmlNode.InnerText;
            }
            catch (XmlException xmle)
            {
                throw xmle;
            }
            return strReturn;
        }



//XML文件格式格式
<?xml version="1.0" encoding="UTF-8"?>
<Config>
  <LoginUser>
    <UserCode>04558</UserCode>
    <Name>张三</Name>
    <LoginTime>2019/12/20 11:40:54</LoginTime>
  </LoginUser>
  <SMTPath>
    <Path>C:\Users\Desktop\Test1.log</Path>
  </SMTPath>
</Config>