C# 操作INI檔案類
//補充： //using System; //using System.Runtime.InteropServices; //using System.Text; //using System.Collections; //using System.Collections.Specialized; //namespace wuyisky //{ /**/ /**/ /**/ /// /// IniFiles的類 /// public class IniFiles { public string FileName; //INI檔名 //宣告讀寫INI檔案的API函式 [DllImport("kernel32")] private static extern bool WritePrivateProfileString(string section, string key, string val, string filePath); [DllImport("kernel32")] private static extern int GetPrivateProfileString(string section, string key, string def, byte[] retVal, int size, string filePath);
//類的建構函式，傳遞INI檔名 public IniFiles(string AFileName) { // 判斷檔案是否存在 FileInfo fileInfo = new FileInfo(AFileName); //Todo:搞清列舉的用法 if ((!fileInfo.Exists)) { //|| (FileAttributes.Directory in fileInfo.Attributes)) //檔案不存在，建立檔案 System.IO.StreamWriter sw = new System.IO.StreamWriter(AFileName, false, System.Text.Encoding.Default); try { sw.Write("#表格配置檔案"); sw.Close(); } catch { throw (new ApplicationException("Ini檔案不存在")); } } //必須是完全路徑，不能是相對路徑 FileName = fileInfo.FullName; } //寫INI檔案 public void WriteString(string Section, string Ident, string Value) { if (!WritePrivateProfileString(Section, Ident, Value, FileName)) { throw (new ApplicationException("寫Ini檔案出錯")); } } //讀取INI檔案指定 public string ReadString(string Section, string Ident, string Default) { Byte[] Buffer = new Byte[65535]; int bufLen = GetPrivateProfileString(Section, Ident, Default, Buffer, Buffer.GetUpperBound(0), FileName); //必須設定0（系統預設的內碼表）的編碼方式，否則無法支援中文 string s = Encoding.GetEncoding(0).GetString(Buffer); s = s.Substring(0, bufLen); return s.Trim(); } //讀整數 public int ReadInteger(string Section, string Ident, int Default) { string intStr = ReadString(Section, Ident, Convert.ToString(Default)); try { return Convert.ToInt32(intStr); } catch (Exception ex) { Console.WriteLine(ex.Message); return Default; } } //寫整數 public void WriteInteger(string Section, string Ident, int Value) { WriteString(Section, Ident, Value.ToString()); } //讀布林 public bool ReadBool(string Section, string Ident, bool Default) { try { return Convert.ToBoolean(ReadString(Section, Ident, Convert.ToString(Default))); } catch (Exception ex) { Console.WriteLine(ex.Message); return Default; } } //寫Bool public void WriteBool(string Section, string Ident, bool Value) { WriteString(Section, Ident, Convert.ToString(Value)); } //從Ini檔案中，將指定的Section名稱中的所有Ident新增到列表中 public void ReadSection(string Section, StringCollection Idents) { Byte[] Buffer = new Byte[16384]; //Idents.Clear(); int bufLen = GetPrivateProfileString(Section, null, null, Buffer, Buffer.GetUpperBound(0), FileName); //對Section進行解析 GetStringsFromBuffer(Buffer, bufLen, Idents); } private void GetStringsFromBuffer(Byte[] Buffer, int bufLen, StringCollection Strings) { Strings.Clear(); if (bufLen != 0) { int start = 0; for (int i = 0; i<bufLen; i++) { if ((Buffer[i] == 0) && ((i - start) > 0)) { String s = Encoding.GetEncoding(0).GetString(Buffer, start, i - start); Strings.Add(s); start = i + 1; } } } } //從Ini檔案中，讀取所有的Sections的名稱 public void ReadSections(StringCollection SectionList) { //Note:必須得用Bytes來實現，StringBuilder只能取到第一個 //Section byte[] Buffer = new byte[65535]; int bufLen = 0; bufLen = GetPrivateProfileString(null, null, null, Buffer, Buffer.GetUpperBound(0), FileName); GetStringsFromBuffer(Buffer, bufLen, SectionList); } //讀取指定的Section的所有Value到列表中 public void ReadSectionValues(string Section, NameValueCollection Values) { StringCollection KeyList = new StringCollection(); ReadSection(Section, KeyList); Values.Clear(); foreach (string key in KeyList) { Values.Add(key, ReadString(Section, key, "")); } } /**/ // //讀取指定的Section的所有Value到列表中， //public void ReadSectionValues(string Section, NameValueCollection Values,char splitString) //{ string sectionValue; // string[] sectionValueSplit; // StringCollection KeyList = new StringCollection(); // ReadSection(Section, KeyList); // Values.Clear(); // foreach (string key in KeyList) // { // sectionValue=ReadString(Section, key, ""); // sectionValueSplit=sectionValue.Split(splitString); // Values.Add(key, sectionValueSplit[0].ToString(),sectionValueSplit[1].ToString()); // } //} //清除某個Section public void EraseSection(string Section) { // if (!WritePrivateProfileString(Section, null, null, FileName)) { throw (new ApplicationException("無法清除Ini檔案中的Section")); } } //刪除某個Section下的鍵 public void DeleteKey(string Section, string Ident) { WritePrivateProfileString(Section, Ident, null, FileName); } //Note:對於Win9X，來說需要實現UpdateFile方法將緩衝中的資料寫入檔案 //在Win NT, 2000和XP上，都是直接寫檔案，沒有緩衝，所以，無須實現UpdateFile //執行完對Ini檔案的修改之後，應該呼叫本方法更新緩衝區。 public void UpdateFile() { WritePrivateProfileString(null, null, null, FileName); } //檢查某個Section下的某個鍵值是否存在 public bool ValueExists(string Section, string Ident) { // StringCollection Idents = new StringCollection(); ReadSection(Section, Idents); return Idents.IndexOf(Ident) > -1; } //確保資源的釋放 ~IniFiles() { UpdateFile(); } } } }
/// <summary> ///Class2 的摘要說明 /// </summary> public class Class2 { // //TODO: 在此處新增建構函式邏輯 // [DllImport("kernel32.dll")] private static extern long WritePrivateProfileString(string section, string key, string val, string filePath); [DllImport("kernel32.dll")] private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath); public Class2() {} /// <summary> /// 寫入INI檔案 /// </summary> /// <param name=^Section^>節點名稱</param> /// <param name=^Key^>關鍵字</param> /// <param name=^Value^>值</param> /// <param name=^filepath^>INI檔案路徑</param> static public void IniWriteValue(string Section, string Key, string Value, string filepath) { WritePrivateProfileString(Section, Key, Value, filepath); } /// <summary> /// 讀取INI檔案 /// </summary> /// <param name=^Section^>節點名稱</param> /// <param name=^Key^>關鍵字</param> /// <param name=^filepath^>INI檔案路徑</param> /// <returns>值</returns> static public string IniReadValue(string Section, string Key, string filepath) { StringBuilder temp = new StringBuilder(255); int i = GetPrivateProfileString(Section, Key, "", temp,255, filepath); return temp.ToString(); } } //ini 文件格式路徑假設為 D:/SETUP.ini [SQL] SVRName=192.168.1.11\SQL2005 讀取例項 // IniReadValue("SQL", "SVRName"," D:/SETUP.ini"); 這樣讀取出來的值是192.168.1.11\SQL2005 寫的話類似 // IniReadValue("SQL", "SVRName","你要寫入的值"," D:/SETUP.ini");