读xml内容

public string GetData()
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(file);
            XmlNodeList xnbase = xmlDoc.ChildNodes;

            return bianli(xnbase);
        }
private string bianli(XmlNodeList xns)
        {
            string v = "";
            XmlElement xe = null;
            XmlCDataSection xc = null;
            XmlDeclaration xd = null;
            foreach (XmlNode xnf in xns)
            {
   
                switch (xnf.NodeType)
                {
                    case XmlNodeType.XmlDeclaration:
                         xd = (XmlDeclaration)xnf;
                         v += "<?" + xd.Name+" "+xd.InnerText + "?>\n";
                        break;
                    case XmlNodeType.CDATA:
                        xc = (XmlCDataSection)xnf;
                        v += "<![CDATA[" + xc.Data + "]]>";
                        break;
                    case XmlNodeType.Element:
                        v += "<" + xnf.Name;
                        xe = (XmlElement)xnf;
                        foreach (XmlAttribute xa in xe.Attributes)
                        {
                            v += " " + xa.Name + "=\"" + xe.GetAttribute(xa.Name) + "\"";//显示属性值
                        }
                        v += ">";
                        XmlNodeList xnf1 = xe.ChildNodes;
                        v += this.bianli(xnf1);
                        v += "</" + xnf.Name + ">\n";
                        break;
                    case XmlNodeType.None:
                        break;
                    case XmlNodeType.Text:
                        v += xnf.InnerText;
                        break;
 
                }

            }
            
            return v;
        }

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