1 user.xml 2 <?xml version="1.0" encoding="utf-8"?> 3 <user> 4 <person> 5 </person> 6 <person name="风拉" sex="男" age="25"> 7 <pass>123</pass> 8 <Address>大明</Address> 9 </person> 10 <person name="风云" sex="女" age="25"> 11 <pass>123</pass> 12 </person> 13 <person name="云" sex="女" age="25"> 14 <pass>123</pass> 15 <Address>松江区</Address> 16 </person> 17 </user> 18 19 1, private XmlDocument xmlDoc; 20 21 22 //添加 23 private void InsertElement() 24 { 25 26 XmlNode xmldocselect = xmlDoc.SelectSingleNode("user"); 27 XmlElement el = xmlDoc.CreateElement("person"); 28 el.SetAttribute("name", "风云"); 29 el.SetAttribute("sex", "女"); 30 el.SetAttribute("age", "25"); 31 XmlElement xesub1 = xmlDoc.CreateElement("pass"); 32 xesub1.InnerText = "123"; 33 el.AppendChild(xesub1); 34 xmldocselect.AppendChild(el); 35 XmlElement xx = xmlDoc.CreateElement("Address"); 36 xx.InnerText = "松江区"; 37 el.AppendChild(xx); 38 xmlDoc.Save(Server.MapPath("user.xml")); 39 } 40 //修改 41 private void UpdateElement() 42 { 43 LoadXml(); 44 XmlNodeList nodeList = xmlDoc.SelectSingleNode("user").ChildNodes; 45 foreach (var item in nodeList) 46 { 47 XmlElement xe = (XmlElement)item; 48 if (xe.GetAttribute("name") == "风云") 49 { 50 xe.SetAttribute("name", "发明"); 51 52 //如果下面有子节点在下走 53 XmlNodeList nls = xe.ChildNodes;//继续获取xe子节点的所有子节点 54 foreach (XmlNode xn1 in nls)//遍历 55 { 56 XmlElement xe2 = (XmlElement)xn1;//转换类型 57 if (xe2.Name == "pass")//如果找到 58 { 59 xe2.InnerText = "66666";//则修改 60 break; 61 62 } 63 } 64 65 break; 66 } 67 } 68 xmlDoc.Save(Server.MapPath("user.xml"));//保存 69 70 71 72 } 73 74 //删除 75 private void DeleteElement() 76 { 77 LoadXml(); 78 XmlNodeList nodeList = xmlDoc.SelectSingleNode("user").ChildNodes; 79 foreach (var item in nodeList) 80 { 81 XmlElement xe = (XmlElement)item; 82 if (xe.GetAttribute("name") == "发明") 83 { 84 xe.RemoveAll(); 85 86 ////如果下面有子节点在下走 87 //XmlNodeList nls = xe.ChildNodes;//继续获取xe子节点的所有子节点 88 //foreach (XmlNode xn1 in nls)//遍历 89 //{ 90 // XmlElement xe2 = (XmlElement)xn1;//转换类型 91 // if (xe2.Name == "pass")//如果找到 92 // { 93 // xe2.InnerText = "66666";//则修改 94 // break; 95 96 // } 97 //} 98 99 break; 100 } 101 } 102 xmlDoc.Save(Server.MapPath("user.xml"));//保存 103 104 } 105 106 //显示 107 private void showIt() 108 { 109 LoadXml(); 110 XmlNode xn = xmlDoc.SelectSingleNode("user"); 111 XmlNodeList xnl = xn.ChildNodes; 112 foreach (var item in xnl) 113 { 114 XmlElement xe=(XmlElement)item; 115 Response.Write(xe.GetAttribute("name")); 116 } 117 } 118 //查找xml 119 private void LoadXml() 120 { 121 xmlDoc = new XmlDocument(); 122 xmlDoc.Load(Server.MapPath("User.xml")); 123 } 124 125 126 127 adminFunction.xml 128 129 <?xml version="1.0" encoding="utf-8" ?> 130 <functions> 131 <function name="商品发布" url="~/page/leaves/leave.aspx"> 132 <subfunction name="添加商品" url="~/page/leaves/leave.aspx"> 133 </subfunction> 134 <subfunction name="添加商品" url="~/page/leaves/leave.aspx"> 135 </subfunction> 136 </function> 137 <function name="留言发布" url="~/page/leaves/leave.aspx"> 138 <subfunction name="添加留言" url="~/page/leaves/leave.aspx"> 139 </subfunction> 140 <subfunction name="修改留言" url="~/page/leaves/leave.aspx"> 141 </subfunction> 142 </function> 143 </functions> 144 145 146 147 private void InitFunctions() 148 { 149 XmlDocument xmldoc = new XmlDocument(); 150 xmldoc.Load(Server.MapPath("adminFunction.xml")); 151 XmlNode root = xmldoc.DocumentElement; 152 tvFunction.Nodes.Add(CreateNode(root,new TreeNode())); 153 } 154 155 //递归 156 /// <summary> 157 /// 158 /// </summary> 159 /// <param name="node">根节点</param> 160 /// <param name="tn">根节点对应的树节点</param> 161 /// <returns></returns> 162 private TreeNode CreateNode(XmlNode root, TreeNode tn) 163 { 164 165 foreach (XmlNode node in root.ChildNodes) 166 { 167 XmlElement subxmlEmt = node as XmlElement; 168 string subname = subxmlEmt.GetAttribute("name"); 169 string suburl = subxmlEmt.GetAttribute("url"); 170 TreeNode subtn = new TreeNode(); 171 subtn.Text = subname; 172 subtn.NavigateUrl = suburl; 173 if (node.HasChildNodes) 174 { 175 subtn.ChildNodes.Add(CreateNode(node, subtn)); 176 } 177 tn.ChildNodes.Add(subtn); 178 } 179 return tn; 180 181 } 182 183 184 //读实例 185 private void ReadEx() 186 { 187 string path1 = Server.MapPath("TextFile.txt"); 188 if (File.Exists(path1)) 189 { 190 StreamReader reader = new StreamReader(path1, System.Text.Encoding.GetEncoding("gb2312")); 191 192 string str = reader.ReadToEnd(); 193 Response.Write((str)); 194 reader.Close(); 195 } 196 197 WriteFile(path1,"vvvvv"); 198 } 199 //写文件 200 /// </summary> 201 /// <param name="Path">文件路径</param> 202 /// <param name="Strings">文件内容</param> 203 public static void WriteFile(string Path, string Strings) 204 { 205 206 if (!System.IO.File.Exists(Path)) 207 { 208 System.IO.FileStream f = System.IO.File.Create(Path); 209 f.Close(); 210 } 211 System.IO.StreamWriter f2 = new System.IO.StreamWriter(Path, false, System.Text.Encoding.GetEncoding("gb2312")); 212 f2.Write(Strings); 213 f2.Close(); 214 f2.Dispose(); 215 }
asp.net xml 增删改操作
时间: 2024-10-05 01:30:22