.net 操作INI文件

 

编程环境:VS.NET 2003

语言:C#

目的:操作INI文件

/* INI文件是文本文件，由若干节(section)组成，在每个带方括号的标题下面，

* 是若干个关键词(key)及其对应的值(Value)

 * [Section]

 * Key=Value

*/

************************************************

******Class Code:*********

************************************************

using System;

using System.Runtime.InteropServices;

using System.Text;

namespace it_clientupd.lib

{

 /// <summary>

 /// ReadIniFile 的摘要说明。

 /// Created by Jason

 /// Date:2006-10-26

 /// Create a new ini file to store
 /// or load data from a existing ini file
 /// </summary>
 public class ReadIniFile
 {
  private string ls_iniFileFullPath;
  [DllImport("kernel32")]
  private static extern long WritePrivateProfileString(string section,string key, string val, string filePath);

  [DllImport("kernel32")]
  private static extern int GetPrivateProfileString(string section,string key, string def, StringBuilder retVal,int size, string filePath);

  public ReadIniFile()
  {
   //
   // TODO: 在此处添加构造函数逻辑
   //
  }

  public void IniFile(string ls_inifile_path)
  {
   /// <summary>
   /// the full path of the ini file
   /// </summary>
   this.ls_iniFileFullPath = ls_inifile_path;
  }

  /// <summary>
  /// Write data to the ini file
  /// <PARAM name="iniSection">the value of iniSection</PARAM>
  /// <PARAM name="iniKey">the value of iniKey</PARAM>
  /// <PARAM name="iniValue">the value of iniValue</PARAM>
  /// </summary>
  public void Write(string iniSection, string iniKey, string iniValue)
  {
   WritePrivateProfileString(iniSection, iniKey, iniValue, this.ls_iniFileFullPath);
  }

  /// <summary>
  /// Read data value From the Ini File
  /// <PARAM name="iniSection"></PARAM>
  /// <PARAM name="iniKey"></PARAM>
  /// <returns>the iniValue of the specified iniSection & iniKey</returns>
  /// </summary>
  public string Read(string iniSection, string iniKey)
  {
   StringBuilder resultValue = new StringBuilder(255);
   int i = GetPrivateProfileString(iniSection, iniKey, "", resultValue,255, this.ls_iniFileFullPath);
   return resultValue.ToString();
  }
 }
}
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页面中引用,实例:

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using it_clientupd.lib;

namespace it_clientupd.page
{
 /// <summary>
 /// main 的摘要说明。
 /// </summary>
 public class main : System.Web.UI.Page
 {
  private void Page_Load(object sender, System.EventArgs e)
  {
   // 在此处放置用户代码以初始化页面
   ReadIniFile fileExample = new ReadIniFile();
   fileExample.IniFile(@"C:/check_class.ini");
   fileExample.Write("sectionA", "keyA", "valueA");
   fileExample.Read("sectionA", "keyA");
  }

  #region Web 窗体设计器生成的代码
  override protected void OnInit(EventArgs e)
  {
   //
   // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
   //
   InitializeComponent();
   base.OnInit(e);
  }
  
  /// <summary>
  /// 设计器支持所需的方法 - 不要使用代码编辑器修改
  /// 此方法的内容。
  /// </summary>
  private void InitializeComponent()
  {   
   this.Load += new System.EventHandler(this.Page_Load);

  }
  #endregion
 }
}

参考资料 :

http://blog.youkuaiyun.com/timewolf/archive/2006/10/19/1340948.aspx