C#中读写INI文件

C#中读写INI文件

　　c#的类没有直接提供对ini文件的操作支持，可以自己包装win api的WritePrivateProfileString和GetPrivateProfileString函数实现。下面提供一个包装类，可以直接使用。

 using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;

 namespace ESIMRobotSystem
 {
     class Robot_WriteAndReadInitCls
     {
         public string inipath;
         /// <summary>
         /// 申明INI文件的写操作函数
         /// </summary>
         /// <param name="section">INI文件中的段落</param>
         /// <param name="key">INI文件中的关键字</param>
         /// <param name="val">INI文件中关键字的数值</param>
         /// <param name="filePath">INI文件的完整的路径和名称</param>
         /// <returns></returns>
         [DllImport("kernel32")]
         private static extern long WritePrivateProfileString(
             string section,
             string key,
             string val,
             string filePath
         );

         /// <summary>
         /// 申明INI文件的读操作函数
         /// </summary>
         /// <param name="section">INI文件中的段落名称</param>
         /// <param name="key">INI文件中的关键字</param>
         /// <param name="def">无法读取时候时候的缺省数值</param>
         /// <param name="retVal">读取数值</param>
         /// <param name="size">数值的大小</param>
         /// <param name="filePath">INI文件的完整路径和名称</param>
         /// <returns></returns>
         [DllImport("kernel32")]
         private static extern int GetPrivateProfileString(
             string section,
             string key,
             string def,
             StringBuilder retVal,
             int size,
             string filePath
         );

         /// <summary>
         /// 构造方法
         /// </summary>
         /// <param name="INIPath">文件路径</param>
         public Robot_WriteAndReadInitCls(string INIPath)
         {
             inipath = INIPath;
         }

         /// <summary>
         /// 写入INI文件
         /// </summary>
         /// <param name="Section">项目名称(如 [TypeName] )</param>
         /// <param name="Key">键</param>
         /// <param name="Value">值</param>
         public void IniWriteValue(string Section, string Key, string Value)
         {
             WritePrivateProfileString(Section, Key, Value, this.inipath);
         }

         /// <summary>
         /// 读出INI文件
         /// </summary>
         /// <param name="Section">项目名称(如 [TypeName] )</param>
         /// <param name="Key">键</param>
         public string IniReadValue(string Section, string Key)
         {
             StringBuilder temp = new StringBuilder();
             int i = GetPrivateProfileString(Section, Key, "", temp, , this.inipath);
             return temp.ToString();
         }

         /// <summary>
         /// 验证文件是否存在
         /// </summary>
         /// <returns>布尔值</returns>
         public bool ExistINIFile()
         {
             return File.Exists(inipath);
         }
     }
 }