XML操作封装 - 实现预格式的XML的读写

Posted 2020-11-01 linyu168

XML用于作配置文件。

该封装XML需满足以下格式

<Configs>

　　<Config  Name="XXX">

　　</Config  Name="XXX">

　　<Config  Name="YYY">

　　</Config  Name="YYY">

</Configs>

 

  1     public class XMLOperation
  2     {
  3         public string strXMLPath = string.Empty;
  4         XmlDocument xmlDocument;
  5         XmlNode xmlNode;
  6         public Dictionary<string, string> ConfigInfo = new Dictionary<string, string>();
  7 
  8         public XMLOperation(string XMLPath)
  9         {
 10             this.strXMLPath = System.AppDomain.CurrentDomain.BaseDirectory + "ConfigFiles\\" + XMLPath;
 11 
 12             xmlDocument = new XmlDocument();
 13             xmlDocument.Load(strXMLPath);
 14 
 15         }
 16 
 17         public bool InitXMLOperation(string strAttribute, out string strErrorInfo)
 18         {
 19             strErrorInfo = string.Empty;
 20             ConfigInfo.Clear();
 21             try
 22             {
 23                 xmlNode = xmlDocument.SelectSingleNode(string.Format("//Configs//Config[@Name=\"{0}\"]", strAttribute));
 24                 foreach (XmlNode xmlnode in xmlNode.ChildNodes)
 25                 {
 26                     ConfigInfo.Add(xmlnode.Name, xmlnode.InnerText);
 27                 }
 28                 return true;
 29             }
 30             catch (Exception ex)
 31             {
 32                 strErrorInfo = "Ex: " + ex.Message;
 33                 return false;
 34             }
 35         }
 36 
 37         public bool ModifyNodeText(string strNodeName, string strNodeText, out string strErrorInfo)
 38         {
 39             strErrorInfo = string.Empty;
 40             try
 41             {
 42                 xmlNode = xmlDocument.SelectSingleNode(string.Format("//Configs//Config[@Name=\"{0}\"]", "Master"));
 43                 foreach (XmlNode xmlnode in xmlNode.ChildNodes)
 44                 {
 45                     if (0 == string.Compare(strNodeName, xmlnode.Name))
 46                     {
 47                         xmlnode.InnerText = strNodeText;
 48                     }
 49                 }
 50 
 51                 xmlDocument.Save(strXMLPath);
 52                 return true;
 53             }
 54             catch (Exception ex)
 55             {
 56                 strErrorInfo = "Ex: " + ex.Message;
 57                 return false;
 58             }
 59         }
 60 
 61         public bool AddNewNode(string strBOM, Dictionary<string, string> DicNodeContent, out string strErrorInfo)
 62         {
 63             strErrorInfo = string.Empty;
 64             XmlNode newNode;
 65             XmlNode rootNode;
 66 
 67             try
 68             {
 69                 xmlNode = (xmlDocument.GetElementsByTagName("Config"))[xmlDocument.GetElementsByTagName("Config").Count - 1];
 70 
 71                 newNode = xmlNode.CloneNode(true);
 72 
 73                 newNode.Attributes["Name"].Value = strBOM;
 74 
 75                 foreach (KeyValuePair<string, string> kvp in DicNodeContent)
 76                 {
 77                     foreach (XmlNode subNode in newNode.ChildNodes)
 78                     {
 79                         if (0 == string.Compare(kvp.Key, subNode.Name))
 80                         {
 81                             subNode.InnerText = kvp.Value;
 82                         }
 83                     }
 84                 }
 85 
 86                 rootNode = xmlDocument.DocumentElement;
 87 
 88                 rootNode.AppendChild(newNode);
 89 
 90                 xmlDocument.Save(strXMLPath);
 91 
 92                 return true;
 93             }
 94             catch (Exception ex)
 95             {
 96                 strErrorInfo = "Add new node occurs Ex: " + ex.Message;
 97                 return false;
 98             }
 99         }
100     }

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