对于任意的XML的遍历

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对于任意的XML的遍历

class test
        {
            private static string root;

            public static  void showXML(string path)
            {
                XmlDocument xd=new XmlDocument();
                xd.Load(path);
               
                XmlNodeList xnl=xd.DocumentElement.ChildNodes;
                root=xd.FirstChild.NextSibling.Name;//记录根节点

                Console.Write(root+"\n");

                foreach (XmlNode xn in xnl)
                {
                    //Console.Write(xn.Attributes["name"].Value.ToString()+"\n");
                    XmlNode child=xn.FirstChild;
                   
                    NodeOperate(child);
              

                }
            }

            public static  void NodeOperate(XmlNode xn1)
            {

                if (xn1.HasChildNodes==true)
                {
                    Console.Write(xn1.Name + "\n");
                    Console.Write("\n");
                    XmlNode childNode=xn1.FirstChild;
                   
                    NodeOperate(childNode);

                }
                else
                {
                    Console.Write(xn1.Name + "\n");
                    Console.Write(xn1.InnerText);
                    Console.Write("\n");
                    if (xn1.NextSibling !=null)
                    {
                       
                        NodeOperate(xn1.NextSibling);
                    }
                    else
                    {
                        int flag=0;
                        while (xn1.NextSibling==null)
                        {
                          
                           
                            if (xn1.Name==root)//检查是否到了根节点，如果不检查会出现节点的引用错误
                            {
                                flag=1;
                                break;
                            }
                            else
                            {

                                xn1=xn1.ParentNode;
                            }
                           
                        }
                        if (flag==0)
                        {
                            NodeOperate(xn1.NextSibling);
                        }
                        else if(flag==1)
                        {
                            Console.Write("End");
                        }
                    }

                   
                }
            }
        }

        public static void Main()
        {
         
            test.showXML(@"C:\Documents and Settings\SKY\My Documents\Visual Studio 2005\Projects\Project1\Project1\system.xml");
            Console.Read();

        }

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