C# 创建,读取,写入XML文件
发布时间:2020-12-15 07:37:55 所属栏目:百科 来源:网络整理
导读:Xml文件如下: xml version="1.0" encoding="utf-8" Advertisements Ad ImageUrl001.jpg/ImageUrl NavigateUrl001.aspx/NavigateUrl Impressions10/Impressions Keywordgucas01/Keyword /Ad Ad ImageUrl002.jpg/ImageUrl NavigateUrl002.aspx/NavigateUrl Im
Xml文件如下: <?xml version="1.0" encoding="utf-8"?> <Advertisements> <Ad> <ImageUrl>001.jpg</ImageUrl> <NavigateUrl>001.aspx</NavigateUrl> <Impressions>10</Impressions> <Keyword>gucas01</Keyword> </Ad> <Ad> <ImageUrl>002.jpg</ImageUrl> <NavigateUrl>002.aspx</NavigateUrl> <Impressions>20</Impressions> <Keyword>gucas02</Keyword> </Ad> <Ad> <ImageUrl>003.jpg</ImageUrl> <NavigateUrl>003.aspx</NavigateUrl> <Impressions>30</Impressions> <Keyword>gucas03</Keyword> </Ad> <Ad> <ImageUrl>004.jpg</ImageUrl> <NavigateUrl>004.aspx</NavigateUrl> <Impressions>40</Impressions> <Keyword>gucas04</Keyword> </Ad> <Ad> <ImageUrl>005.jpg</ImageUrl> <NavigateUrl>005.aspx</NavigateUrl> <Impressions>50</Impressions> <Keyword>gucas05</Keyword> </Ad> <Ad> <ImageUrl>google.gif</ImageUrl> <NavigateUrl>http://www.google.com</NavigateUrl> <Impressions>30</Impressions> <Keyword>google</Keyword> </Ad> </Advertisements> 对XML文件的操作 /// <summary> /// 创建XML文件 /// </summary> /// <param name="filename"></param> public void CreateXmlFile(string filename) { XmlDocument xmldoc = new XmlDocument(); XmlNode node; node = xmldoc.CreateXmlDeclaration("1.0","utf-8",null); xmldoc.AppendChild(node); XmlNode root = xmldoc.CreateElement("Users"); xmldoc.AppendChild(root); CreateNode(xmldoc,root,"UserName","zhengyd"); CreateNode(xmldoc,"Email","zhengyd@gucas.ac,cn"); CreateNode(xmldoc,"Url","www.gucas.an,"Age","27"); try { xmldoc.Save(Server.MapPath(filename)); Response.Write("创建XML文件myxml.xml成功!"); } catch (Exception ex) { Response.Write(ex.Message); } } /// <summary> /// 写入XML文件 /// </summary> /// <param name="file"></param> public void WriteXmlFile(string file) { XmlDocument xmdoc = new XmlDocument(); try { xmdoc.Load(Server.MapPath(file)); XmlNode root = xmdoc.SelectSingleNode("Advertisements"); if (root != null) { XmlNode node = xmdoc.CreateNode(XmlNodeType.Element,"Ad",null); CreateNode(xmdoc,node,"ImageUrl","google.gif"); CreateNode(xmdoc,"NavigateUrl","http://www.google.com"); CreateNode(xmdoc,"Impressions","30"); CreateNode(xmdoc,"Keyword","google"); root.AppendChild(node); } xmdoc.Save(Server.MapPath(file)); Response.Write("写入XML文件XMLFile.xml成功。<br>"); } catch(Exception ex) { Response.Write(ex.Message); } } /// <summary> /// 创建节点 /// </summary> /// <param name="xmldoc"></param> /// <param name="parentnode"></param> /// <param name="name"></param> /// <param name="value"></param> public void CreateNode(XmlDocument xmldoc,XmlNode parentnode,string name,string value) { XmlNode node = xmldoc.CreateNode(XmlNodeType.Element,name,null); node.InnerText = value; parentnode.AppendChild(node); } /// <summary> /// 读取XML文件 /// </summary> /// <param name="file"></param> private void ReadFile(string file) { XmlDocument xmldoc = new XmlDocument(); try { xmldoc.Load(Server.MapPath(file)); XmlNode node = xmldoc.SelectSingleNode("Advertisements"); if (node != null) { TreeNode root = new TreeNode(); root.Text = node.Name; tvXml.Nodes.Add(root); foreach (XmlNode xnode in xmldoc.SelectNodes("Advertisements/Ad")) { TreeNode tnode = new TreeNode(); tnode.Text = Server.HtmlEncode("<" + xnode.Name + ">"); root.ChildNodes.Add(tnode); foreach (XmlNode xcnode in xnode.ChildNodes) { TreeNode tcnode = new TreeNode(); tcnode.Text = Server.HtmlEncode("<" + xcnode.Name + ">" + xcnode.InnerText + "</" + xcnode.Name + ">"); tnode.ChildNodes.Add(tcnode); } TreeNode ttnode = new TreeNode(); ttnode.Text = Server.HtmlEncode("</" + xnode.Name + ""); root.ChildNodes.Add(ttnode); } TreeNode tpnode = new TreeNode(); tpnode.Text = Server.HtmlEncode("</" + node.Name + ">"); tvXml.Nodes.Add(tpnode); } } catch (Exception ex) { Response.Write(ex.Message); } } 以上就是本文的全部内容,希望本文的内容对大家的学习或者工作能带来一定的帮助,同时也希望多多支持编程小技巧! (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |