C#中處理讀寫Ini檔案
阿新 • • 發佈：2019-01-26
{
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
//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
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();
}
}
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 //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 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(); } }