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C# xml读写

 1 class XmlClass
 2     {
 3         public string Pathname; //总列表
 4         public XmlClass()
 5         {
 6             string str = System.AppDomain.CurrentDomain.BaseDirectory;
 7             string path = str;
 8             
 9             for (int i = 0; i < 3; i++)
10             {
11                 string rootpath = path.Substring(0, path.LastIndexOf("\\"));
12                 path = rootpath;
13             }
14             Pathname = path + "\\Document\\myxml.xml";
15         }
16 
17         public string[] XmlStore()
18         {
19             string []elements = new string[2];
20             XmlReader reader = XmlReader.Create(Pathname);
21 
22             while (reader.Read())
23             {
24                 if (reader.NodeType == XmlNodeType.Element)  //如果是开始节点  
25                 {
26                     switch (reader.Name)
27                     {
28                         case "Meet":                     
29                             {
30                                 if (reader.Value =http://www.mamicode.com/= "")
31                                     elements[0] = (string)reader.ReadElementContentAs(typeof(string), null);
//适用父节点包含单个子元素,否则其余子元素无法获取
32 else 33 elements[0] = reader.ReadContentAsString(); 34 }break; 35 36 case "Topic": 37 { 38 if (reader.Value =http://www.mamicode.com/= "") 39 elements[1] = (string)reader.ReadElementContentAs(typeof(string), null); 40 else 41 elements[1] = reader.ReadContentAsString(); 42 }break; 43 default: 44 break; 45 } 46 } 47 } 48 reader.Close(); 49 reader.Dispose(); 50 return elements; 51 } 52 53 public void XmlDisplay(string metting, string topic) 54 { 55 using (FileStream fs = new FileStream(Pathname, FileMode.Create, FileAccess.Write)) 56 { 57 XmlWriter writer = XmlWriter.Create(fs); 58 writer.WriteStartElement("Root"); 59 60 writer.WriteStartElement("Root1"); 61 writer.WriteElementString("Meet", metting); 62 writer.WriteEndElement(); 63 64 writer.WriteStartElement("Root2"); 65 writer.WriteElementString("Topic", topic); 66 writer.WriteEndElement(); 67 writer.WriteEndElement(); 68 writer.Close(); 69 writer.Dispose(); 70 } 71 } 72 }

 

C# xml读写