1 /// 
 2 /// 特殊字符转义 3 /// 
 4 ///  5 /// 
      6 public string XmlCharacterEscaping(string xml) 7 { 8     string xmlNew = xml; 9     if (xml.IndexOf("&") != -1)10     {11         xmlNew = xml.Replace("&", "&");12     }13     if (xml.IndexOf("<") != -1)14     {15         xmlNew = xml.Replace("<", "<");16     }17     if (xml.IndexOf(">") != -1)18     {19         xmlNew = xml.Replace(">", ">");20     }21     if (xml.IndexOf('"') != -1)22     {23         char c = '"';24         xmlNew = xml.Replace(c.ToString(), """);25     } 26     return xmlNew;27 }