读写配置文件

写配置文件

public void WriteConfigurationFile(string path)
        {
            using (System.IO.StreamWriter streamWriter = new System.IO.StreamWriter(path, true))
            {
                if (_vdtSource == null || _vdtSource.Rows.Count == 0)
                {
                    return;
                }
 
                string sourceNode = _vdtSource.Rows[0]["TblName"].ToString();
                string currentNode = string.Empty;
                streamWriter.WriteLine("<DUMP>");
                streamWriter.WriteLine(_vsNodeFormat,
                        _vdtSource.Rows[0]["TblName"].ToString(),
                        _vdtSource.Rows[0]["Valid"].ToString(),
                        "",
                        ""
                    );
 
                foreach (System.Data.DataRow row in _vdtSource.Rows)
                {
                    currentNode = row["TblName"].ToString();
                    if (currentNode == sourceNode)
                    {
                        streamWriter.WriteLine(_vsFieldFormat, row["ColName"].ToString(), row["ColIndex"]);
                    }
                    else
                    {
                        streamWriter.WriteLine("    </Node>");
                        sourceNode = row["TblName"].ToString();
                        streamWriter.WriteLine(_vsNodeFormat,
                            row["TblName"].ToString(),
                            row["Valid"].ToString(),
                            "",
                            ""
                        );
                    }
                }
                streamWriter.WriteLine("    </Node>");
                streamWriter.WriteLine("</DUMP>");
            }
        }

读配置文件

public class NodeInfoReader
    {
        public static NodeMode GetNode(string nodeName, string path)
        {
            System.Xml.XmlReaderSettings xmlReaderSettings = new System.Xml.XmlReaderSettings();
            xmlReaderSettings.ProhibitDtd = false;
            System.IO.FileStream fileStream = new System.IO.FileStream(
                    path,
                    System.IO.FileMode.Open,
                    System.IO.FileAccess.Read,
                    System.IO.FileShare.ReadWrite
                );
            fileStream.Seek(0, System.IO.SeekOrigin.Begin);
            using (System.Xml.XmlReader xmlReader = System.Xml.XmlReader.Create(fileStream, xmlReaderSettings))
            {
                string currentNodeName = string.Empty;
                NodeMode node = null;
                List<string> lstField = null;
                while (xmlReader.Read())
                {
                    switch (xmlReader.NodeType)
                    {
                        case System.Xml.XmlNodeType.Element:
                            if (xmlReader.Name == "Node")
                            {
                                currentNodeName = xmlReader.GetAttribute("Name");
                                if (currentNodeName == nodeName)
                                {
                                    node = new NodeMode();
                                    lstField = new List<string>();
 
                                    node.Name = currentNodeName;
                                    node.Valid = int.Parse(xmlReader.GetAttribute("Valid"));
                                    node.ParseMethod = xmlReader.GetAttribute("ParseMethod");
                                    node.NullHandler = xmlReader.GetAttribute("NullHandler");
                                }
                            }
                            else
                            {
                                if (lstField != null)
                                {
                                    lstField.Add(xmlReader.GetAttribute("Field"));
                                }
                            }
                            break;
                        case System.Xml.XmlNodeType.EndElement:
                            if (xmlReader.Name == "Node" && node != null)
                            {
                                node.Field = lstField;
                                return node;
                            }
                            break;
                    }
                }
            }
            return null;
        }
    }
 
    public class NodeMode
    {
        public string Name { get; set; }
        public int Valid { get; set; }
        public string ParseMethod { get; set; }
        public string NullHandler { get; set; }
        public List<string> Field { get; set; }
    }