.NET XML
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Xml; public partial class CreateXml : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } /// <summary> /// 创建Xml /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void btnCreate_Click(object sender, EventArgs e) { XmlDataDocument XmlDoc = new XmlDataDocument(); //创建Xml文档的说明信息 XmlDeclaration XmlDec= XmlDoc.CreateXmlDeclaration("1.0", "gb2312", null);// 版本 编码 独立? XmlDoc.AppendChild(XmlDec); //创建根节点 XmlElement XmlEle = XmlDoc.CreateElement("Book"); XmlDoc.AppendChild(XmlEle); //创建新节点 XmlElement BookOne = XmlDoc.CreateElement("BookOne"); //创建新节点的子节点 XmlElement BookName = XmlDoc.CreateElement("BookName"); //子节点的值 BookName.InnerText = "《like one》"; //创建新节点的子节点 XmlElement BookPrice = XmlDoc.CreateElement("BookPrice"); //子节点的值 BookPrice.InnerText = "10.00$"; //将子节点附加给新节点 BookOne.AppendChild(BookName); BookOne.AppendChild(BookPrice); XmlEle.AppendChild(BookOne); //将新节点附加个根节点 XmlDoc.AppendChild(XmlEle); XmlElement BookOne2 = XmlDoc.CreateElement("BookOne"); XmlElement BookName2 = XmlDoc.CreateElement("BookName"); BookName2.InnerText = "《like two》"; XmlElement BookPrice2 = XmlDoc.CreateElement("BookPrice"); BookPrice2.InnerText = "10.00$"; BookOne2.AppendChild(BookName2); BookOne2.AppendChild(BookPrice2); XmlEle.AppendChild(BookOne2); XmlDoc.AppendChild(XmlEle); XmlElement BookOne3 = XmlDoc.CreateElement("BookOne"); //给BookOne3 设置属性 BookOne3.SetAttribute("Attribute1","111"); BookOne3.SetAttribute("Attribute2", "222"); XmlElement BookName3 = XmlDoc.CreateElement("BookName"); BookName3.InnerText = "《like three》"; XmlElement BookPrice3 = XmlDoc.CreateElement("BookPrice"); BookPrice3.InnerText = "10.00$"; BookOne3.AppendChild(BookName3); BookOne3.AppendChild(BookPrice3); XmlEle.AppendChild(BookOne3); XmlDoc.AppendChild(XmlEle); XmlDoc.Save(Server.MapPath("~/")+"Test.xml"); } /// <summary> /// 获取XML文档节点的值 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void btnFirst_Click(object sender, EventArgs e) { XmlDocument Xmldoc = new XmlDocument(); Xmldoc.Load(Server.MapPath("~/Test.xml")); //首节点的值 XmlNode Node= Xmldoc.DocumentElement.FirstChild; if (Node != null) { string str = ""; str += "This is " + Node.Name + " and childname is " + Node["BookName"].Name+Node["BookName"].InnerText + "<br/>"; str += Node["BookPrice"].Name + " is " + Node["BookPrice"].InnerText + "<br/><br/><br/><br/>"; Response.Write(str); } //末节点的值 Node = Xmldoc.DocumentElement.LastChild; if (Node != null) { string str = ""; str += "This is " + Node.Name + " and childname is " + Node["BookName"].Name + Node["BookName"].InnerText + "<br/>";// Node["BookName"].Name 就是BookName Node["BookName"]即节点名字为BookName str += Node["BookPrice"].Name + " is " + Node["BookPrice"].InnerText + "<br/><br/><br/><br/>"; Response.Write(str); } } /// <summary> /// 查看某一节点的值 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void btnSome_Click(object sender, EventArgs e) { XmlDocument Xmldoc = new XmlDocument(); Xmldoc.Load(Server.MapPath("~/Test.xml")); //获取XML文档的节点列表 XmlNodeList NodeList=Xmldoc.DocumentElement.ChildNodes; //节点列表的首个节点 索引以0开始 XmlNode Node = NodeList.Item(0); if (Node != null) { string str = ""; str += "This is " + Node.Name + " and childname is " + Node["BookName"].Name + Node["BookName"].InnerText + "<br/>"; str += Node["BookPrice"].Name + " is " + Node["BookPrice"].InnerText + "<br/><br/><br/><br/>"; Response.Write(str); } } /// <summary> /// Xml节点定位插入 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void btnInsert_Click(object sender, EventArgs e) { XmlDocument XmlDoc = new XmlDocument(); XmlDoc.Load(Server.MapPath("~/Test.xml")); //寻找根节点 XmlNode xmlnode = XmlDoc.SelectSingleNode("/Book"); XmlElement BookOne = XmlDoc.CreateElement("BookOne"); XmlElement BookName = XmlDoc.CreateElement("BookName"); BookName.InnerText = "《like inert》"; XmlElement BookPrice = XmlDoc.CreateElement("BookPrice"); BookPrice.InnerText = "10.00$"; BookOne.AppendChild(BookName); BookOne.AppendChild(BookPrice); //将新节点附加给根节点 使用XmlDoc.AppendChild 需将新节点先附加给根节点 再将根节点附加给文档 新节点也可以用XmlDoc.DocumentElement.AppendChild 直接附加给文档 //xmlnode.AppendChild(BookOne); //XmlDoc.AppendChild(xmlnode); //在末尾添加子节点 //XmlDoc.DocumentElement.AppendChild(BookOne); //在指定位置添加节点 InsertBefore //XmlDoc.DocumentElement.InsertBefore(BookOne,XmlDoc.DocumentElement.ChildNodes.Item(0)); //在指定位置添加节点 InsertBefore XmlDoc.DocumentElement.InsertAfter(BookOne, XmlDoc.DocumentElement.ChildNodes.Item(0)); XmlDoc.Save(Server.MapPath("~/") + "Test.xml"); } /// <summary> /// 删除节点 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void btnDelete_Click(object sender, EventArgs e) { XmlDocument XmlDoc = new XmlDocument(); XmlDoc.Load(Server.MapPath("~/Test.xml")); //寻找根节点 XmlNode xmlnode = XmlDoc.SelectSingleNode("/Book"); //删除根节点的第一个子节点 //XmlNode Node = xmlnode.FirstChild; //if (Node != null) //{ // Node.ParentNode.RemoveChild(Node); //} //根据条件循环删除节点 XmlNodeList NodeList = XmlDoc.DocumentElement.ChildNodes; for (int i = 0; i < NodeList.Count; i++) { if (NodeList[i].FirstChild.InnerText == "《like inert》") { NodeList[i].ParentNode.RemoveChild(NodeList[i]); } } XmlDoc.Save(Server.MapPath("~/") + "Test.xml"); } /// <summary> /// 编辑节点 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void btnEdit_Click(object sender, EventArgs e) { XmlDocument XmlDoc = new XmlDocument(); XmlDoc.Load(Server.MapPath("~/Test.xml")); //寻找根节点 XmlNode xmlnode = XmlDoc.SelectSingleNode("/Book"); //编辑根节点的第一个子节点 XmlNode Node = xmlnode.FirstChild; if (Node != null) { Node.FirstChild.InnerText = "i am edited " + Node.FirstChild.InnerText; //指定第几个子节点 Node.ChildNodes[1].InnerText = "i am edited " + Node.ChildNodes[1].InnerText; //Node.FirstChild.InnerText = Node.FirstChild.InnerText.Replace("i am edited ", ""); //Node.ChildNodes[1].InnerText = Node.ChildNodes[1].InnerText.Replace("i am edited ", ""); } //根据条件循环编辑节点 XmlNodeList NodeList = XmlDoc.DocumentElement.ChildNodes; for (int i = 0; i < NodeList.Count; i++) { //根据条件修改 //if (NodeList[i].FirstChild.InnerText == "《like inert》") //{ // NodeList[i].FirstChild.InnerText = "i am edited " + NodeList[i].FirstChild.InnerText; //} //NodeList[i].FirstChild.InnerText = "i am edited " + NodeList[i].FirstChild.InnerText; //循环修改信息 NodeList[i].ChildNodes[0].InnerText = "i am edited " + NodeList[i].ChildNodes[0].InnerText; NodeList[i].ChildNodes[1].InnerText = "i am edited " + NodeList[i].ChildNodes[1].InnerText; } XmlDoc.Save(Server.MapPath("~/") + "Test.xml"); } /// <summary> /// 查找 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void btnSearch_Click(object sender, EventArgs e) { XmlDocument xmlDoc = new XmlDocument(); xmlDoc.Load(Server.MapPath("~/Test.xml")); XmlNodeList nodelist = xmlDoc.SelectNodes("Book/BookOne[BookName='" + this.tbSearch.Text.Trim() + "']"); for (int i = 0; i < nodelist.Count; i++) { string str = ""; str += nodelist[i].InnerText; Response.Write(str); } //Response.Write(nodelist.Count); } /// <summary> /// 模糊查找 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void Button1_Click(object sender, EventArgs e) { XmlDocument xmlDoc = new XmlDocument(); xmlDoc.Load(Server.MapPath("~/Test.xml")); //xmlDoc.SelectNodes 搜索多个节点 xmlDoc.SelectSingleNode 搜索根节点 XmlNodeList nodelist = xmlDoc.SelectNodes("Book/BookOne[contains(BookName,'" + this.tbSearch2.Text.Trim() + "')]"); //for (int i = 0; i < nodelist.Count; i++) //{ // string str = ""; // str += nodelist[i].InnerText; // Response.Write(str); //} Response.Write(nodelist.Count); } /// <summary> /// 获取节点属性信息 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void btnAttra_Click(object sender, EventArgs e) { XmlDocument xmlDoc = new XmlDocument(); xmlDoc.Load(Server.MapPath("~/Test.xml")); //文档节点列 XmlNodeList nodelist = xmlDoc.DocumentElement.ChildNodes; for (int i = 0; i < nodelist.Count; i++) { //其中一个节点的属性集合 XmlAttributeCollection xmlattr=nodelist[i].Attributes; foreach(XmlAttribute xmla in xmlattr) { //判断该节点的属性名字和值 if (xmla.Name == "Attribute1"&&xmla.Value=="111") { Response.Write(nodelist[i].ChildNodes[0].InnerText); } if (xmla.Name == "Attribute2" && xmla.Value == "222") { Response.Write(nodelist[i].ChildNodes[1].InnerText); } } } } } <div> <asp:Button ID="btnCreate" runat="server" Text="创建XML" onclick="btnCreate_Click" /> <asp:Button ID="btnFirst" runat="server" Text="查找Xml首节点值" onclick="btnFirst_Click" /> <br /> <asp:Button ID="btnSome" runat="server" Text="查看某一节点的值" onclick="btnSome_Click" /> <br /> <br /> <asp:Button ID="btnInsert" runat="server" Text="Xml节点定位插入" onclick="btnInsert_Click" /> <asp:Button ID="btnDelete" runat="server" Text="删除某个节点" onclick="btnDelete_Click" /> <br /> <br /> <asp:Button ID="btnEdit" runat="server" Text="编辑节点" onclick="btnEdit_Click" /> <br /> <br /> <asp:Button ID="btnAttra" runat="server" onclick="btnAttra_Click" Text="获取属性" /> <br /> <br /> <asp:Button ID="btnSearch" runat="server" onclick="btnSearch_Click" Text="查找" /> <br /> <br /> <asp:TextBox ID="tbSearch" runat="server"></asp:TextBox> <br /> <br /> <asp:Button ID="btnSearchs" runat="server" onclick="Button1_Click" Text="模糊查询" /> <br /> <br /> <asp:TextBox ID="tbSearch2" runat="server"></asp:TextBox> </div> Test.XML <?xml version="1.0" encoding="gb2312"?> <Book> <BookOne> <BookName>《like one》</BookName> <BookPrice>10.00$</BookPrice> </BookOne> <BookOne> <BookName>《like two》</BookName> <BookPrice>10.00$</BookPrice> </BookOne> <BookOne Attribute1="111" Attribute2="222"> <BookName>《like three》</BookName> <BookPrice>10.00$</BookPrice> </BookOne> </Book>