读写配置文件类

  1 using  System;
  2 using  System.IO;
  3 using  System.Xml;
  4 using  System.Collections;
  5 using  System.Windows.Forms;
  6 namespace  SSSSystem.Class
  7 {
  8    /**//// <summary>
  9    /// ConfigSettings 的摘要说明。
 10    /// </summary>
 11    public class ConfigSettings
 12    {
 13        public ConfigSettings()
 14        {
 15            //
 16            // TODO: 在此处添加构造函数逻辑
 17            //
 18            InitFilePath();
 19            Read();
 20        }
 21
 22        私有成员#region 私有成员
 23        private Hashtable list = new Hashtable();
 24        private string filePath="";
 25        private bool autoWrite=true;
 26        private string[,] _defaultValues;
 27        #endregion
 28
 29        属性#region 属性
 30        public bool AutoWrite
 31        {
 32            get{return autoWrite;}
 33            set{autoWrite=value;}
 34        }
 35        
 36        public string FilePath
 37        {
 38            get
 39            {
 40                string folderPath=Path.GetDirectoryName(filePath);
 41                if(Directory.Exists(folderPath)==false)
 42                {
 43                    Directory.CreateDirectory(folderPath);
 44                }
 45                return filePath;
 46            }
 47            set{filePath=value;}
 48        }
 49        #endregion
 50
 51        public ConfigSettings(string[,] defaultValues)
 52        {
 53            _defaultValues=defaultValues;
 54            InitFilePath();
 55            Read();
 56        }
 57        public void SetValue(object key,Object _value)
 58        {
 59            if(! list.Contains(key.ToString()))
 60            {
 61                throw new Exception("配置文件中没有指定项");
 62            }
 63            list[key.ToString()] = _value;
 64
 65            if(autoWrite==true)
 66            {
 67                Write();
 68            }
 69        }
 70
 71        public void AddValue(object key,Object _value)
 72        {
 73            list.Add(key.ToString(),_value);
 74
 75            if(autoWrite==true)
 76            {
 77                Write();
 78            }
 79        }
 80
 81        public void RemoveValue(object key)
 82        {
 83            list.Remove(key.ToString());
 84
 85            if(autoWrite==true)
 86            {
 87                Write();
 88            }
 89        }
 90
 91
 92        public string GetString(object key)
 93        {
 94            string keyStr = key.ToString();
 95            Object result=list[keyStr];
 96            if(result==null)
 97            {
 98                return "";
 99            }
100            else
101            {
102                return result.ToString();
103            }
104        }
105        
106        public int GetInt(object key)
107        {
108            Object result=GetString(key);
109            if(result==null)
110            {
111                return 0;
112            }
113            else
114            {
115                return int.Parse( result.ToString());
116            }
117
118        }
119        public bool GetBool(object key)
120        {
121            Object result=GetString(key);
122            if(result==null)
123            {
124                return false;
125            }
126            else
127            {
128                return Convert.ToBoolean(result);
129            }
130        }
131        /**//// <summary>
132        /// read settings file
133        /// </summary>
134        public void Read()
135        {
136            list.Clear();
137            for(int i=0;i<_defaultValues.GetLength(0);i++)
138            {
139                list[_defaultValues[i,0]]=_defaultValues[i,1];
140            }
141            if (File.Exists(this.FilePath))
142            {
143                XmlTextReader reader=new XmlTextReader(this.FilePath);
144                while(reader.Read())
145                {
146                    if(reader.NodeType==XmlNodeType.Element && reader.Name=="add")                    
147                    {
148                        list[reader.GetAttribute("key")]=reader.GetAttribute("value");
149                    }
150                }
151                reader.Close();
152            }
153        }
154        /**//// <summary>
155        /// write settings to the .config file
156        /// </summary>
157        public void Write()
158        {
159            XmlTextWriter xmlWriter=new XmlTextWriter(this.FilePath,null);
160            
161            xmlWriter.Formatting=Formatting.Indented;
162            xmlWriter.WriteStartElement("configuration");
163            xmlWriter.WriteStartElement("appSettings");
164
165            IDictionaryEnumerator enumerator=list.GetEnumerator();
166            while(enumerator.MoveNext())
167            {
168                xmlWriter.WriteStartElement("add");
169                xmlWriter.WriteStartAttribute("key",null);
170                xmlWriter.WriteString(enumerator.Key.ToString());
171                xmlWriter.WriteEndAttribute();
172
173                
174                xmlWriter.WriteStartAttribute("value",null);
175                xmlWriter.WriteString(enumerator.Value.ToString());
176                xmlWriter.WriteEndAttribute();
177
178                xmlWriter.WriteEndElement();
179
180            }
181            xmlWriter.WriteEndElement();
182            xmlWriter.WriteEndElement();
183            xmlWriter.Flush();
184            xmlWriter.Close();
185            
186        }
187
188
189
190        public void RestoreDefaults()
191        {
192            try
193            {
194                File.Delete(FilePath);
195                Read();
196            }
197            catch(Exception ex)
198            {
199                System.Diagnostics.Debug.Fail("删除默认配置文件时出错",ex.Message);
200            }
201        }
202
203
204        public void InitFilePath()
205        {
206            this.FilePath= Application.ExecutablePath + ".config";
207            
208        }
209    }
210
211
212    public class ConfigSettingDefaults
213    {
214        public string[,] Value=new string[,]
215        {
216            {SettingKey.SQLConnectionString.ToString(),@""},
217            {SettingKey.MailUserName.ToString(),@""},
218            {SettingKey.MailPassWord.ToString(),@""},
219            {SettingKey.MailPOP3ServerAddress.ToString(),@""},
220            {SettingKey.MailSMTPServerAddress.ToString(),@""},
221            {SettingKey.MailPOP3Port.ToString(),@""},
222            {SettingKey.MailRecipientsAddress.ToString(),@""},
223            {SettingKey.MailAddress.ToString(),@""},
224            
225        };
226
227    }
228    /**//// <summary>
229    /// 配置项
230    /// </summary>
231    public enum SettingKey
232    {
233        SQLConnectionString//lianjie
234            ,MailUserName,MailPassWord,MailPOP3ServerAddress,MailSMTPServerAddress,MailPOP3Port,MailRecipientsAddress,MailAddress
235    }
236
237}
238