C# Ini文件操作实例

发布时间:2016-12-8 17:55:52 编辑:www.fx114.net 分享查询网我要评论
本篇文章主要介绍了"C# Ini文件操作实例",主要涉及到C# Ini文件操作实例方面的内容,对于C# Ini文件操作实例感兴趣的同学可以参考一下。

C# Ini文件操作实例代码。  代码: using System; using System.IO; using System.Runtime.InteropServices; using System.Text; using System.Collections; using System.Collections.Specialized; namespace wuyisky{   /**//**/   /**//// <summary>   /// IniFiles的类   /// </summary>   public class IniFiles   { // www.jbxue.com     public string FileName; //INI文件名     //声明读写INI文件的API函数     [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);     //类的构造函数,传递INI文件名     public IniFiles(string AFileName)     {       // 判断文件是否存在       FileInfo fileInfo = new FileInfo(AFileName);       //Todo:搞清枚举的用法       if ((!fileInfo.Exists))       { //|| (FileAttributes.Directory in fileInfo.Attributes))         //文件不存在,建立文件         System.IO.StreamWriter sw = new System.IO.StreamWriter(AFileName, false, System.Text.Encoding.Default);         try         {           sw.Write("#表格配置档案");           sw.Close();         }         catch         {           throw (new ApplicationException("Ini文件不存在"));         }       }       //必须是完全路径,不能是相对路径       FileName = fileInfo.FullName;     }     //写INI文件     public void WriteString(string Section, string Ident, string Value)     {       if (!WritePrivateProfileString(Section, Ident, Value, FileName))       {           throw (new ApplicationException("写Ini文件出错"));       }     }     //读取INI文件指定     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);       //必须设定0(系统默认的代码页)的编码方式,否则无法支持中文       string s = Encoding.GetEncoding(0).GetString(Buffer);       s = s.Substring(0, bufLen);       return s.Trim();     }     //读整数     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;       }     }     //写整数     public void WriteInteger(string Section, string Ident, int Value)     {       WriteString(Section, Ident, Value.ToString());     }     //读布尔     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;       }     }     //写Bool     public void WriteBool(string Section, string Ident, bool Value)     {       WriteString(Section, Ident, Convert.ToString(Value));     }     //从Ini文件中,将指定的Section名称中的所有Ident添加到列表中     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);       //对Section进行解析       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;           }         }       }     }     //从Ini文件中,读取所有的Sections的名称     public void ReadSections(StringCollection SectionList)     {       //Note:必须得用Bytes来实现,StringBuilder只能取到第一个Section       byte[] Buffer = new byte[65535];       int bufLen = 0;       bufLen = GetPrivateProfileString(null, null, null, Buffer,        Buffer.GetUpperBound(0), FileName);       GetStringsFromBuffer(Buffer, bufLen, SectionList);     }     //读取指定的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, ""));          }     }     /**/////读取指定的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());       //  }     //}     //清除某个Section     public void EraseSection(string Section)     {       //       if (!WritePrivateProfileString(Section, null, null, FileName))       {         throw (new ApplicationException("无法清除Ini文件中的Section"));       }     } // www.jbxue.com     //删除某个Section下的键     public void DeleteKey(string Section, string Ident)     {       WritePrivateProfileString(Section, Ident, null, FileName);     }     //Note:对于Win9X,来说需要实现UpdateFile方法将缓冲中的数据写入文件     //在Win NT, 2000和XP上,都是直接写文件,没有缓冲,所以,无须实现UpdateFile     //执行完对Ini文件的修改之后,应该调用本方法更新缓冲区。     public void UpdateFile()     {       WritePrivateProfileString(null, null, null, FileName);     }     //检查某个Section下的某个键值是否存在     public bool ValueExists(string Section, string Ident)     {       //       StringCollection Idents = new StringCollection();       ReadSection(Section, Idents);       return Idents.IndexOf(Ident) > -1;     }     //确保资源的释放     ~IniFiles()     {       UpdateFile();     }   } }

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