asp.net对xml文件的读写,添加,修改,删除操作，且中文不会乱码
XmlDocument xdoc = new XmlDocument(); StringBuilder strb = new StringBuilder(); try { #region xml导出 strb.Append("<?xml version='1.0' encoding='gb2312'?>\n"); strb.Append("<List>\n"); //循环导出信息 strb.Append("<report>\n"); if (list != null) { for (int i = 0; i < list.Count; i++) { strb.Append("<" + list.GetKey(i) + ">" + list.GetByIndex(i) + "</" + list.GetKey(i) + ">"); } } strb.Append("<ischeck>0</ischeck>"); strb.Append("</report>\n"); strb.Append("</List>\n"); #endregion xdoc.LoadXml(strb.ToString()); xdoc.Save(filePath); } catch (Exception ex) { } //--------------------------------或者------------------------------------ StreamWriter sw = new StreamWriter(filePath, false, System.Text.Encoding.Default); StringBuilder strb = new StringBuilder(); try { #region xml导出 strb.Append("<?xml version='1.0' encoding='gb2312'?>\n"); strb.Append("<List>\n"); //循环导出信息 strb.Append("<report>\n"); if (list != null) { for (int i = 0; i < list.Count; i++) { strb.Append("<" + list.GetKey(i) + ">" + list.GetByIndex(i) + "</" + list.GetKey(i) + ">"); } } strb.Append("<ischeck>0</ischeck>"); strb.Append("</report>\n"); strb.Append("</List>\n"); #endregion sw.WriteLine(strb.ToString()); sw.Flush(); sw.Close(); } catch (Exception ex) { sw.Flush(); sw.Close(); } Xml的样式: <?xml version="1.0" encoding="gb2312"?> <List> <report> <btime>2016-09-01</btime> <checkPerson>他们</checkPerson> <etime>2016-09-30</etime> <reportMonth>201609</reportMonth> <txt11>1.54</txt11> <txt12>45.54</txt12> <txt21>5.54</txt21> <txt22>5.77</txt22> <txt31>7.08</txt31> <txt32>51.31</txt32> <writeDate>2018-01-15</writeDate> <writePerson>我们</writePerson> <ischeck>0</ischeck> </report> </List>
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using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using System.Xml; private XmlDocument xmlDoc; //load xml file private void LoadXml() { xmlDoc=new XmlDocument(); xmlDoc.Load(Server.MapPath("User.xml")); } //添加节点 private void AddElement() { LoadXml(); XmlNode xmldocSelect=xmlDoc.SelectSingleNode("user"); XmlElement el=xmlDoc.CreateElement("person"); //添加person节点 el.SetAttribute("name","风云"); //添加person节点的属性"name" el.SetAttribute("sex","女"); //添加person节点的属性 "sex" el.SetAttribute("age","25"); //添加person节点的属性 "age" XmlElement xesub1=xmlDoc.CreateElement("pass"); //添加person节点的里的节点 xesub1.InnerText="123";//设置文本节点 el.AppendChild(xesub1); XmlElement xesub2=xmlDoc.CreateElement("Address"); xesub2.InnerText="昆明";//设置文本节点 el.AppendChild(xesub2); xmldocSelect.AppendChild(el); xmlDoc.Save(Server.MapPath("user.xml")); } //修改节点 private void UpdateElement() { LoadXml(); XmlNodeList nodeList=xmlDoc.SelectSingleNode("user").ChildNodes;//获取bookstore节点的所有子节点 foreach(XmlNode xn in nodeList)//遍历所有子节点 { XmlElement xe=(XmlElement)xn;//将子节点类型转换为XmlElement类型 if(xe.GetAttribute("name")=="风云")//如果name属性值为“风云” { xe.SetAttribute("name","发明"); //如果下面有子节点在下走 XmlNodeList nls=xe.ChildNodes;//继续获取xe子节点的所有子节点 foreach(XmlNode xn1 in nls)//遍历 { XmlElement xe2=(XmlElement)xn1;//转换类型 if(xe2.Name=="pass")//如果找到 { xe2.InnerText="66666";//则修改 break; } } break; } } xmlDoc.Save(Server.MapPath("user.xml"));//保存 } //删出节点 private void deleteNode() { LoadXml(); XmlNodeList xnl=xmlDoc.SelectSingleNode("user").ChildNodes; foreach(XmlNode xn in xnl) { XmlElement xe=(XmlElement)xn; if(xe.GetAttribute("name")=="发明") { //xe.RemoveAttribute("name");//删除name属性 xe.RemoveAll();//删除该节点的全部内容 break; } } xmlDoc.Save(Server.MapPath("user.xml"));//保存 } private void showIt() { LoadXml(); XmlNode xn=xmlDoc.SelectSingleNode("user"); XmlNodeList xnl=xn.ChildNodes; foreach(XmlNode xnf in xnl) { XmlElement xe=(XmlElement)xnf; // Console.WriteLine(xe.GetAttribute("name"));//显示属性值 // Console.WriteLine(xe.GetAttribute("sex")); // // XmlNodeList xnf1=xe.ChildNodes; // foreach(XmlNode xn2 in xnf1) // { // Console.WriteLine(xn2.InnerText);//显示子节点点文本 // } } } Xml的样式: <?xml version="1.0" encoding="gb2312"?> <user> <person> </person> <person name="风拉" sex="男" age="25"> <pass>123</pass> <Address>大明</Address> </person> <person name="风云" sex="女" age="25"> <pass>123</pass> <Address>昆明</Address> </person> </user>
using System;using System.Collections;using System.ComponentModel;using System.Data;using System.Drawing;using System.Web;using System.Web.SessionState;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.HtmlControls;using System.Xml;private XmlDocument xmlDoc; //load xml file private void LoadXml() { xmlDoc=new XmlDocument(); xmlDoc.Load(Server.MapPath("User.xml")); } //添加节点 private void AddElement() { LoadXml(); XmlNode xmldocSelect=xmlDoc.SelectSingleNode("user"); XmlElement el=xmlDoc.CreateElement("person"); //添加person节点 el.SetAttribute("name","风云"); //添加person节点的属性"name" el.SetAttribute("sex","女"); //添加person节点的属性 "sex" el.SetAttribute("age","25"); //添加person节点的属性 "age" XmlElement xesub1=xmlDoc.CreateElement("pass"); //添加person节点的里的节点 xesub1.InnerText="123";//设置文本节点 el.AppendChild(xesub1); XmlElement xesub2=xmlDoc.CreateElement("Address"); xesub2.InnerText="昆明";//设置文本节点 el.AppendChild(xesub2); xmldocSelect.AppendChild(el); xmlDoc.Save(Server.MapPath("user.xml")); } //修改节点 private void UpdateElement() { LoadXml(); XmlNodeList nodeList=xmlDoc.SelectSingleNode("user").ChildNodes;//获取bookstore节点的所有子节点 foreach(XmlNode xn in nodeList)//遍历所有子节点 { XmlElement xe=(XmlElement)xn;//将子节点类型转换为XmlElement类型 if(xe.GetAttribute("name")=="风云")//如果name属性值为“风云” { xe.SetAttribute("name","发明"); //如果下面有子节点在下走 XmlNodeList nls=xe.ChildNodes;//继续获取xe子节点的所有子节点 foreach(XmlNode xn1 in nls)//遍历 { XmlElement xe2=(XmlElement)xn1;//转换类型 if(xe2.Name=="pass")//如果找到 { xe2.InnerText="66666";//则修改 break; } } break; } } xmlDoc.Save(Server.MapPath("user.xml"));//保存 } //删出节点 private void deleteNode() { LoadXml(); XmlNodeList xnl=xmlDoc.SelectSingleNode("user").ChildNodes; foreach(XmlNode xn in xnl) { XmlElement xe=(XmlElement)xn; if(xe.GetAttribute("name")=="发明") { //xe.RemoveAttribute("name");//删除name属性 xe.RemoveAll();//删除该节点的全部内容 break; } } xmlDoc.Save(Server.MapPath("user.xml"));//保存 } private void showIt() { LoadXml(); XmlNode xn=xmlDoc.SelectSingleNode("user"); XmlNodeList xnl=xn.ChildNodes; foreach(XmlNode xnf in xnl) { XmlElement xe=(XmlElement)xnf;// Console.WriteLine(xe.GetAttribute("name"));//显示属性值// Console.WriteLine(xe.GetAttribute("sex"));// // XmlNodeList xnf1=xe.ChildNodes;// foreach(XmlNode xn2 in xnf1)// {// Console.WriteLine(xn2.InnerText);//显示子节点点文本// } } } Xml的样式:<?xml version="1.0" encoding="gb2312"?><user> <person> </person> <person name="风拉" sex="男" age="25"> <pass>123</pass> <Address>大明</Address> </person> <person name="风云" sex="女" age="25"> <pass>123</pass> <Address>昆明</Address> </person></user>
