C#中讀寫INI檔案

標籤：dllimport   write   oid   baidu   方法   檔案中   eval   pre   eric   

C#中讀寫INI檔案

　　c#的類沒有直接提供對ini檔案的操作支援，可以自己封裝win api的WritePrivateProfileString和GetPrivateProfileString函數實現。下面提供一個封裝類，可以直接使用。

 1 using System; 2 using System.Collections.Generic; 3 using System.IO; 4 using System.Linq; 5 using System.Runtime.InteropServices; 6 using System.Text; 7 using System.Threading.Tasks; 8  9 namespace ESIMRobotSystem10 {11     class Robot_WriteAndReadInitCls12     {13         public string inipath;14         /// <summary>15         /// 申明INI檔案的寫操作函數16         /// </summary>17         /// <param name="section">INI檔案中的段落</param>18         /// <param name="key">INI檔案中的關鍵字</param>19         /// <param name="val">INI檔案中關鍵字的數值</param>20         /// <param name="filePath">INI檔案的完整的路徑和名稱</param>21         /// <returns></returns>22         [DllImport("kernel32")]23         private static extern long WritePrivateProfileString(24             string section, 25             string key,26             string val, 27             string filePath28         );29 30         /// <summary>31         /// 申明INI檔案的讀操作函數32         /// </summary>33         /// <param name="section">INI檔案中的段落名稱</param>34         /// <param name="key">INI檔案中的關鍵字</param>35         /// <param name="def">無法讀取時候時候的預設數值</param>36         /// <param name="retVal">讀取數值</param>37         /// <param name="size">數值的大小</param>38         /// <param name="filePath">INI檔案的完整路徑和名稱</param>39         /// <returns></returns>40         [DllImport("kernel32")]41         private static extern int GetPrivateProfileString(42             string section, 43             string key, 44             string def, 45             StringBuilder retVal, 46             int size, 47             string filePath48         );49 50 51         /// <summary> 52         /// 構造方法 53         /// </summary> 54         /// <param name="INIPath">檔案路徑</param> 55         public Robot_WriteAndReadInitCls(string INIPath)56         {57             inipath = INIPath;58         }59 60 61         /// <summary> 62         /// 寫入INI檔案 63         /// </summary> 64         /// <param name="Section">項目名稱(如 [TypeName] )</param> 65         /// <param name="Key">鍵</param> 66         /// <param name="Value">值</param> 67         public void IniWriteValue(string Section, string Key, string Value)68         {69             WritePrivateProfileString(Section, Key, Value, this.inipath);70         }71 72 73         /// <summary> 74         /// 讀出INI檔案 75         /// </summary> 76         /// <param name="Section">項目名稱(如 [TypeName] )</param> 77         /// <param name="Key">鍵</param> 78         public string IniReadValue(string Section, string Key)79         {80             StringBuilder temp = new StringBuilder(500);81             int i = GetPrivateProfileString(Section, Key, "", temp, 500, this.inipath);82             return temp.ToString();83         }84 85 86         /// <summary> 87         /// 驗證檔案是否存在 88         /// </summary> 89         /// <returns>布爾值</returns> 90         public bool ExistINIFile()91         {92             return File.Exists(inipath);93         }94     }95 }

 

 

C#中讀寫INI檔案