ini配置文件读取类

ini配置文件读取类

代码
  1 using System;
  2  using System.Collections.Generic;
  3 using System.Text;
  4 using System.Runtime.InteropServices;
  5 using System.IO;
  6 
  7 namespace DABAOKU
  8 {
  9     /// <summary>
 10     /// 读写ini配置文件类
 11     /// </summary>
 12     class IniFile
 13     {
 14         #region 成员变量
 15         public string filePath = "";    //文件路径
 16         static private uint MaxBufferSize = 32767;//缓存大小
 17         #endregion
 18      
 19         #region 导入API
 20         [DllImport("kernel32", CharSet = CharSet.Auto)]
 21         private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
 22         [DllImport("kernel32", CharSet = CharSet.Auto)]
 23         private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);
 24         [DllImport("kernel32", CharSet = CharSet.Auto)]
 25         private static extern int GetPrivateProfileString(string section, string key, string def, IntPtr retVal, int size, string filePath);
 26         [DllImport("kernel32", CharSet = CharSet.Auto)]
 27         private static extern int GetPrivateProfileInt(string section, string key, int def, string filePath);
 28         [DllImport("kernel32", CharSet = CharSet.Auto)]
 29         private static extern int GetPrivateProfileSection(string section, IntPtr lpReturnedString, uint nSize, string filePath);
 30         [DllImport("kernel32", CharSet = CharSet.Auto)]
 31         private static extern int GetPrivateProfileSectionNames(IntPtr lpszReturnBuffer, uint nSize, string filepath);
 32         #endregion
 33        
 34         #region 构造函数
 35         
 36         public IniFile(string filename)
 37         {
 38             filePath = System.IO.Path.GetFullPath(filename);
 39         }
 40         #endregion
 41 
 42         #region 读取数据
 43 
 44         public string GetString(string Section, string Key)
 45         {
 46             StringBuilder temp = new StringBuilder(255);
 47             int i = GetPrivateProfileString(Section, Key, "", temp, 255, this.filePath);
 48             return temp.ToString();
 49         }
 50 
 51         public int GetInt(string Section, string Key)
 52         {
 53             return GetPrivateProfileInt(Section, Key, 0, this.filePath);
 54         }
 55 
 56         public List<KeyValuePair<string, string>> GetValueSetList(string Section)  //读取一段内的所有数据
 57         {
 58             List<KeyValuePair<string, string>> retval;
 59             string[] keyValuePairs;
 60             string key, value;
 61             int equalSignPos;
 62             //申请空间
 63             IntPtr ptr = Marshal.AllocCoTaskMem((int)IniFile.MaxBufferSize);
 64 
 65             try
 66             {
 67                 int len = GetPrivateProfileSection(Section, ptr, MaxBufferSize, filePath);
 68                 keyValuePairs = ConvertNullSeperatedStringToStringArray(ptr, len);
 69             }
 70             finally
 71             {
 72                 Marshal.FreeCoTaskMem(ptr);
 73             }
 74             //输出结果
 75             retval = new List<KeyValuePair<string, string>>(keyValuePairs.Length);
 76             for (int i = 0; i < keyValuePairs.Length; ++i)
 77             {
 78                 equalSignPos = keyValuePairs[i].IndexOf('=');
 79                 key = keyValuePairs[i].Substring(0, equalSignPos);
 80                 value = keyValuePairs[i].Substring(equalSignPos + 1, keyValuePairs[i].Length - equalSignPos - 1);
 81                 retval.Add(new KeyValuePair<string, string>(key, value));
 82             }
 83             return retval;
 84         }
 85         public string[] GetSectionNames()   //获得所有段名
 86         {
 87             string[] retval;
 88             int len;
 89             IntPtr ptr = Marshal.AllocCoTaskMem((int)IniFile.MaxBufferSize);
 90             try
 91             {
 92                 len = GetPrivateProfileSectionNames(ptr, IniFile.MaxBufferSize, filePath);
 93                 retval = ConvertNullSeperatedStringToStringArray(ptr, len);
 94             }
 95             finally
 96             {
 97                 Marshal.FreeCoTaskMem(ptr);
 98             }
 99             return retval;
100         }
101         public string[] GetKeyNames(string Section) //获得一段内所有关键码
102         {
103             int len;
104             string[] retval;
105             IntPtr ptr = Marshal.AllocCoTaskMem((int)IniFile.MaxBufferSize);
106             try
107             {
108                 len = GetPrivateProfileString(Section, null, null, ptr, (int)IniFile.MaxBufferSize, filePath);
109                 retval = ConvertNullSeperatedStringToStringArray(ptr, len);
110             }
111             finally
112             {
113                 Marshal.FreeCoTaskMem(ptr);
114             }
115             return retval;
116         }
117 
118         private static string[] ConvertNullSeperatedStringToStringArray(IntPtr ptr, int valLength) //转换字符串指针空间为字符串数组
119         {
120             string[] retval;
121             if (valLength == 0)
122             {
123                 retval = new string[0];
124             }
125             else
126             {
127                 string buff = Marshal.PtrToStringAuto(ptr, valLength - 1);
128                 retval = buff.Split('\0');
129             }
130             return retval;
131         }
132         #endregion
133 
134         #region 写数据
135 
136         public void SetValue(string Section, string Key, string Value)
137         {
138             WritePrivateProfileString(Section, Key, Value, this.filePath);
139         }
140         public void SetValue(string Section, string Key, int Value)
141         {
142             WritePrivateProfileString(Section, Key, Value.ToString(), this.filePath);
143         }
144         public void SetValue(string Section, string Key, float Value)
145         {
146             WritePrivateProfileString(Section, Key, Value.ToString(), this.filePath);
147         }
148         public void SetValue(string Section, string Key, double Value)
149         {
150             WritePrivateProfileString(Section, Key, Value.ToString(), this.filePath);
151         }
152 
153         #endregion
154       
155         #region 删除
156         public void DeleteKey(string Section, string Key)
157         {
158             SetValue(Section, Key, null);
159         }
160         public void DeleteKey(string Section)
161         {
162             SetValue(Section, null, null);
163         }
164         #endregion
165 
166         #region 补充
167         static public void FormatIni(string filePath)
168         {
169             StreamReader sr = new StreamReader(filePath);
170             StreamWriter sw = new StreamWriter(filePath+".gc1");
171             string s = "";
172             while ((s = sr.ReadLine()) != null)
173             {
174                 if (s != "" && s.IndexOf("[") == -1 && s.IndexOf("=") == -1)
175                     s += "=";
176                 sw.WriteLine(s);
177             }
178             sr.Close();
179             sw.Close();
180             try
181             {
182                 File.Move(filePath, filePath + ".gc");
183             }
184             catch(System.Exception ex){}
185             try
186             {
187                 File.Move(filePath+".gc1", filePath);
188             }
189             catch (System.Exception ex){}
190             try
191             {
192                 File.Delete(filePath+".gc1");
193             }
194             catch(System.Exception ex){}
195         }
196 #endregion
197     }
198 }