C#读取XML文件的基类实现

  1 using System;
  2 using System.IO;
  3 using System.Xml.Linq;
  4 
  5 namespace Common
  6 {
  7     public abstract class BaseLinqXmlFileInfo
  8     {
  9         protected string mPathName;
 10 
 11         protected string mFileName;
 12 
 13         protected virtual string PathName
 14         {
 15             get { return mPathName; }
 16             set { mPathName = value; }
 17         }
 18 
 19         protected virtual string FileName
 20         {
 21             get { return mFileName; }
 22             set { mFileName = value; }
 23         }
 24 
 25         protected virtual string FilePathName
 26         {
 27             get
 28             {
 29                 return Path.Combine(PathName, FileName);
 30             }
 31         }
 32 
 33         public virtual bool Load()
 34         {
 35             bool result = false;
 36             try
 37             {
 38                 string filePathName = this.FilePathName;
 39                 if (File.Exists(filePathName))
 40                 {
 41                     this.LoadDocument(filePathName);
 42                     result = true;
 43                 }
 44             }
 45             catch(Exception ex)
 46             {
 47                 //异常信息输出
 48             }
 49             return result;
 50         }
 51 
 52         public virtual bool Save()
 53         {
 54             bool result = false;
 55             try
 56             {
 57 
 58                 string pathName = this.PathName;
 59                 if (!Directory.Exists(pathName))
 60                 {
 61                     Directory.CreateDirectory(PathName);
 62                 }
 63                 string tempFileName = "~" + FileName;
 64                 string tempfilePathName = Path.Combine(pathName, tempFileName);
 65                 this.SaveDocument(tempfilePathName);
 66                 string filePathName = Path.Combine(PathName, FileName);
 67                 if (File.Exists(filePathName))
 68                 {
 69                     FileAttributes att = File.GetAttributes(filePathName);
 70                     if((att & FileAttributes.ReadOnly)== FileAttributes.ReadOnly)
 71                     {
 72                         File.SetAttributes(filePathName, att & ~FileAttributes.ReadOnly);
 73                     }
 74                 }
 75                 File.Copy(tempfilePathName, filePathName, true);
 76                 if (File.Exists(tempfilePathName))
 77                 {
 78                     File.Delete(tempfilePathName);
 79                 }
 80                 result = true;
 81             }
 82             catch (Exception ex)
 83             {
 84                 //异常信息输出
 85             }
 86             return result;
 87         }
 88 
 89         private void LoadDocument(string fileName)
 90         {
 91             try
 92             {
 93                 XDocument doc = XDocument.Load(fileName);
 94                 this.ReadXml(doc);
 95             }
 96             catch(Exception ex)
 97             {
 98                 //异常信息输出
 99             }
100         }
101 
102         private void SaveDocument(string fileName)
103         {
104             try
105             {
106                 XDocument doc = new XDocument();
107                 this.WriteXml(doc);
108                 doc.Save(fileName);
109             }
110             catch(Exception ex)
111             {
112                 //异常信息输出
113             }
114         }
115 
116         private void ReadXml(XDocument doc)
117         {
118             XElement root = doc.Root;
119             this.ReadXml(root);
120         }
121 
122         private void WriteXml(XDocument doc)
123         {
124             XElement root = new XElement("root");
125             doc.Add(root);
126             this.WriteXml(root);
127         }
128 
129         protected abstract void ReadXml(XElement node);
130 
131         protected abstract void WriteXml(XElement node);
132     }
133 
134     public static class XMLSerializeExtensionClass
135     {
136         public static void Write(this XElement node,string name,string value)
137         {
138             node.SetAttributeValue(name, value);
139         }
140 
141         public static string ReadString(this XElement node, string name, string defaultValue)
142         {
143             XAttribute att = node.Attribute(name);
144             return att != null ? att.Value : defaultValue;
145         }
146 
147         public static void Write(this XElement node,string name,long value)
148         {
149             node.SetAttributeValue(name, value);
150         }
151 
152         public static long ReadLong(this XElement node,string name,long defaultValue)
153         {
154             XAttribute att = node.Attribute(name);
155             return att != null ? Convert.ToInt64(att.Value) : defaultValue;
156         }
157 
158         public static void Write(this XElement node,string name,decimal value)
159         {
160             node.SetAttributeValue(name, value);
161         }
162 
163         public static decimal ReadDecimal(this XElement node,string name,decimal defaultValue)
164         {
165             XAttribute att = node.Attribute(name);
166             return att != null ? Convert.ToDecimal(att.Value) : defaultValue;
167         }
168 
169         public static void Write(this XElement node ,string name,DateTime value)
170         {
171             node.SetAttributeValue(name, value);
172         }
173 
174         public static DateTime ReadDateTime(this XElement node,string name,DateTime defaultValue)
175         {
176             XAttribute att = node.Attribute(name);
177             return att != null ? Convert.ToDateTime(att.Value) : defaultValue;
178         }
179 
180         public static void Write(this XElement node,string name,int value)
181         {
182             node.SetAttributeValue(name, value);
183         }
184 
185         public static int ReadInt(this XElement node,string name,int defaultValue)
186         {
187             XAttribute att = node.Attribute(name);
188             return att != null ? Convert.ToInt32(att.Value) : defaultValue;
189         }
190 
191         public static void Write(this XElement node, string name,bool value)
192         {
193             node.SetAttributeValue(name, value);
194         }
195 
196         public static bool ReadBoolean(this XElement node, string name, bool defaultValue)
197         {
198             XAttribute att = node.Attribute(name);
199             return att != null ? Convert.ToBoolean(att.Value) : defaultValue;
200         }
201     }
202 }