使用INI配置文件，简单便捷。
该辅助工具类为C#操作INI文件的辅助类，源码在某位师傅的基础上完善的来，因为忘记最初的来源了，因此不能提及引用，在此深感遗憾，并对贡献者表示感谢。
1 using System; 2 using System.Collections; 3 using System.Collections.Generic; 4 using System.Runtime.InteropServices; 5 using System.Text; 6 7 namespace Eyuan.Common 8 { 9 public static class INIHelper 10 { 11 12 #region 读写INI文件相关 13 [DllImport("kernel32.dll", EntryPoint = "WritePrivateProfileString", CharSet = CharSet.Ansi)] 14 private static extern long WritePrivateProfileString(string section, string key, string val, string filePath); 15 16 [DllImport("kernel32.dll", EntryPoint = "GetPrivateProfileString", CharSet = CharSet.Ansi)] 17 private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath); 18 19 [DllImport("kernel32")] 20 private static extern int GetPrivateProfileInt(string lpApplicationName, string lpKeyName, int nDefault, string lpFileName); 21 22 23 [DllImport("kernel32.dll", EntryPoint = "GetPrivateProfileSectionNames", CharSet = CharSet.Ansi)] 24 private static extern int GetPrivateProfileSectionNames(IntPtr lpszReturnBuffer, int nSize, string filePath); 25 26 [DllImport("KERNEL32.DLL ", EntryPoint = "GetPrivateProfileSection", CharSet = CharSet.Ansi)] 27 private static extern int GetPrivateProfileSection(string lpAppName, byte[] lpReturnedString, int nSize, string filePath); 28 #endregion 29 30 #region 读写操作（字符串） 31 /// 32 /// 向INI写入数据 33 /// 34 /// 节点名 35 /// 键名 36 /// 值（字符串） 37 public static void Write(string Section, string Key, string Value, string path) 38 { 39 WritePrivateProfileString(Section, Key, Value, path); 40 } 41 /// 42 /// 读取INI数据 43 /// 44 /// 节点名 45 /// 键名 46 /// 值名 47 /// 值（字符串） 48 public static string Read(string Section, string Key, string path) 49 { 50 StringBuilder temp = new StringBuilder(255); 51 int i = GetPrivateProfileString(Section, Key, "", temp, 255, path); 52 return temp.ToString(); 53 } 54 #endregion 55 56 #region 配置节信息 57 /// 58 /// 读取一个ini里面所有的节 59 /// 60 /// 61 /// 62 /// -1:没有节信息，0:正常 63 public static int GetAllSectionNames(out string[] sections, string path) 64 { 65 int MAX_BUFFER = 32767; 66 IntPtr pReturnedString = Marshal.AllocCoTaskMem(MAX_BUFFER); 67 int bytesReturned = GetPrivateProfileSectionNames(pReturnedString, MAX_BUFFER, path); 68 if (bytesReturned == 0) 69 { 70 sections = null; 71 return -1; 72 } 73 string local = Marshal.PtrToStringAnsi(pReturnedString, (int)bytesReturned).ToString(); 74 Marshal.FreeCoTaskMem(pReturnedString); 75 //use of Substring below removes terminating null for split 76 sections = local.Substring(0, local.Length - 1).Split('\0'); 77 return 0; 78 } 79 /// 80 /// 返回指定配置文件下的节名称列表 81 /// 82 /// 83 /// GetAllSectionNames(string path) 85 { 86 List sectionList = new List (); 87 int MAX_BUFFER = 32767; 88 IntPtr pReturnedString = Marshal.AllocCoTaskMem(MAX_BUFFER); 89 int bytesReturned = GetPrivateProfileSectionNames(pReturnedString, MAX_BUFFER, path); 90 if (bytesReturned != 0) 91 { 92 string local = Marshal.PtrToStringAnsi(pReturnedString, (int)bytesReturned).ToString(); 93 Marshal.FreeCoTaskMem(pReturnedString); 94 sectionList.AddRange(local.Substring(0, local.Length - 1).Split('\0')); 95 } 96 return sectionList; 97 } 98 99 /// 100 /// 得到某个节点下面所有的key和value组合101 /// 102 /// 指定的节名称103 /// Key数组104 /// Value数组105 /// INI文件路径106 /// result = new List ();114 foreach (string r in tmp)115 {116 if (r != string.Empty)117 result.Add(r);118 }119 keys = new string[result.Count];120 values = new string[result.Count];121 for (int i = 0; i < result.Count; i++)122 {123 string[] item = result[i].Split(new char[] { '=' });//Key=Value格式的配置信息124 //Value字符串中含有=的处理，125 //一、Value加""，先对""处理126 //二、Key后续的都为Value127 if (item.Length > 2)128 {129 keys[i] = item[0].Trim();130 values[i] = result[i].Substring(keys[i].Length + 1);131 }132 if (item.Length == 2)//Key=Value133 {134 keys[i] = item[0].Trim();135 values[i] = item[1].Trim();136 }137 else if (item.Length == 1)//Key=138 {139 keys[i] = item[0].Trim();140 values[i] = "";141 }142 else if (item.Length == 0)143 {144 keys[i] = "";145 values[i] = "";146 }147 }148 return 0;149 }150 /// 151 /// 得到某个节点下面所有的key152 /// 153 /// 指定的节名称154 /// Key数组155 /// INI文件路径156 /// 190 /// 获取指定节下的Key列表191 /// 192 /// 指定的节名称193 /// 配置文件名称194 /// Key列表 195 public static List GetAllKeys(string section, string path)196 {197 List keyList = new List ();198 byte[] b = new byte[65535];199 GetPrivateProfileSection(section, b, b.Length, path);200 string s = System.Text.Encoding.Default.GetString(b);201 string[] tmp = s.Split((char)0);202 List result = new List ();203 foreach (string r in tmp)204 {205 if (r != string.Empty)206 result.Add(r);207 }208 for (int i = 0; i < result.Count; i++)209 {210 string[] item = result[i].Split(new char[] { '=' });211 if (item.Length == 2 || item.Length == 1)212 {213 keyList.Add(item[0].Trim());214 }215 else if (item.Length == 0)216 {217 keyList.Add(string.Empty);218 }219 }220 return keyList;221 }222 /// 223 /// 获取值224 /// 225 /// 226 /// 227 /// GetAllValues(string section, string path)229 {230 List keyList = new List ();231 byte[] b = new byte[65535];232 GetPrivateProfileSection(section, b, b.Length, path);233 string s = System.Text.Encoding.Default.GetString(b);234 string[] tmp = s.Split((char)0);235 List result = new List ();236 foreach (string r in tmp)237 {238 if (r != string.Empty)239 result.Add(r);240 }241 for (int i = 0; i < result.Count; i++)242 {243 string[] item = result[i].Split(new char[] { '=' });244 if (item.Length == 2 || item.Length == 1)245 {246 keyList.Add(item[1].Trim());247 }248 else if (item.Length == 0)249 {250 keyList.Add(string.Empty);251 }252 }253 return keyList;254 }255 256 #endregion257 258 #region 通过值查找键（一个节中的键唯一，可能存在多个键值相同，因此反查的结果可能为多个）259 260 /// 261 /// 第一个键262 /// 263 /// 264 /// 265 /// 266 /// 279 /// 所有键280 /// 281 /// 282 /// 283 /// 284 /// GetKeysByValue(string section, string path, string value)286 {287 List keys = new List ();288 foreach (string key in GetAllKeys(section, path))289 {290 if (ReadString(section, key, "", path) == value)291 {292 keys.Add(key);293 }294 }295 return keys;296 }297 #endregion298 299 300 #region 具体类型的读写301 302 #region string303 /// 304 /// 305 /// 306 /// 307 /// 308 /// 309 /// 310 /// 320 /// 321 /// 322 /// 323 /// 324 /// 325 /// 326 public static void WriteString(string sectionName, string keyName, string value, string path)327 {328 WritePrivateProfileString(sectionName, keyName, value, path);329 }330 #endregion331 332 #region Int333 /// 334 /// 335 /// 336 /// 337 /// 338 /// 339 /// 340 /// 348 /// 349 /// 350 /// 351 /// 352 /// 353 /// 354 public static void WriteInteger(string sectionName, string keyName, int value, string path)355 {356 357 WritePrivateProfileString(sectionName, keyName, value.ToString(), path);358 359 }360 #endregion361 362 #region bool363 /// 364 /// 读取布尔值365 /// 366 /// 367 /// 368 /// 369 /// 370 /// 382 /// 写入布尔值383 /// 384 /// 385 /// 386 /// 387 /// 388 public static void WriteBoolean(string sectionName, string keyName, bool value, string path)389 {390 string temp = value ? "1 " : "0 ";391 WritePrivateProfileString(sectionName, keyName, temp, path);392 }393 #endregion394 395 #endregion396 397 #region 删除操作398 /// 399 /// 删除指定项400 /// 401 /// 402 /// 403 /// 404 public static void DeleteKey(string sectionName, string keyName, string path)405 {406 WritePrivateProfileString(sectionName, keyName, null, path);407 }408 409 /// 410 /// 删除指定节下的所有项411 /// 412 /// 413 /// 414 public static void EraseSection(string sectionName, string path)415 {416 WritePrivateProfileString(sectionName, null, null, path);417 }418 #endregion419 420 #region 判断节、键是否存在421 /// 422 /// 指定节知否存在423 /// 424 /// 425 /// 426 /// 444 /// 指定节下的键是否存在445 /// 446 /// 447 /// 448 /// 449 /// 470 /// 471 /// 472 /// 473 /// 474 /// 475 /// 476 /// keyList, List valueList, string path)478 {479 bool bRst = true;480 //判断Section是否已经存在，如果存在，返回false481 //已经存在，则更新482 //if (GetAllSectionNames(path).Contains(section))483 //{484 // return false;485 //}486 //判断keyList中是否有相同的Key，如果有，返回false487 488 //添加配置信息489 for (int i = 0; i < keyList.Count; i++)490 {491 WriteString(section, keyList[i], valueList[i], path);492 }493 return bRst;494 }495 #endregion496 }497 }