C#操作XML



  
    

   
      
   
     #region
   
      操作XML
   
     
 
   
     private
   
      
   
     static
   
      XmlDocument xmldoc 
   
     =
   
      
   
     new
   
      XmlDocument();
 
   
     private
   
      
   
     static
   
      JM_A ja 
   
     =
   
      
   
     new
   
      JM_A();
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      查询XML
 
   
     ///
   
      
   
     </summary>
   
     
 
   
     ///
   
      
   
     <param name="key">
   
     查找标记
   
     </param>
   
     
 
   
     ///
   
      
   
     <returns>
   
     XML值
   
     </returns>
   
     

   
      
   
     public
   
      
   
     static
   
      String xml_select(String key)
 {
 
   
     try
   
     
 {
 xmldoc.Load(
   
     "
   
     config.xml
   
     "
   
     );
 XmlNode root 
   
     =
   
      xmldoc.SelectSingleNode(
   
     "
   
     info
   
     "
   
     );
 XmlNodeList Li 
   
     =
   
      root.ChildNodes;
 String value 
   
     =
   
      
   
     ""
   
     ;
 
   
     foreach
   
      (XmlNode item 
   
     in
   
      Li)
 {
 XmlElement eL 
   
     =
   
      (XmlElement)item;
 
   
     if
   
      (key 
   
     ==
   
      eL.Name)
 {
 value 
   
     =
   
      eL.InnerText;
 
   
     break
   
     ;
 }
 }
 
   
     return
   
      ja.AESDecrypt(value);
 }
 
   
     catch
   
      (Exception ex)
 {
 MessageBox.Show(ex.ToString());
 
   
     return
   
      
   
     ""
   
     ;
 
   
     throw
   
      
   
     new
   
      Exception(
   
     "
   
     XML操作出错
   
     "
   
     );
 }
 }
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      修改XML
 
   
     ///
   
      
   
     </summary>
   
     
 
   
     ///
   
      
   
     <param name="key">
   
     键
   
     </param>
   
     
 
   
     ///
   
      
   
     <param name="value">
   
     值
   
     </param>
   
     

   
      
   
     public
   
      
   
     static
   
      
   
     void
   
      xml_update(String key, String value)
 {
 
   
     try
   
     
 {
 xmldoc.Load(
   
     "
   
     config.xml
   
     "
   
     );
 XmlNode root 
   
     =
   
      xmldoc.SelectSingleNode(
   
     "
   
     info
   
     "
   
     );
 XmlNodeList Li 
   
     =
   
      root.ChildNodes;
 
   
     foreach
   
      (XmlNode item 
   
     in
   
      Li)
 {
 XmlElement eL 
   
     =
   
      (XmlElement)item;
 
   
     if
   
      (key 
   
     ==
   
      eL.Name)
 {
 Console.WriteLine(
   
     "
   
     111111
   
     "
   
     );
 eL.InnerText 
   
     =
   
      ja.AESEncrypt(value);
 xmldoc.Save(
   
     "
   
     config.xml
   
     "
   
     );
 
   
     break
   
     ;
 }
 }
 }
 
   
     catch
   
     
 {
 
   
     throw
   
      
   
     new
   
      Exception(
   
     "
   
     XML操作出错
   
     "
   
     );
 }
 }
 
   
     #endregion
   
     
 }