C#實現.ini文件讀寫操作

1、ini文件是什麼？

       見百度百科：https://baike.baidu.com/item/ini%E6%96%87%E4%BB%B6/9718973?fr=aladdin

2、C#語言實現ini文件的讀寫操作

 1  /// <summary>
 2     /// 配置文件 .ini操作類
 3     /// </summary>
 4     public class IniFileUtils
 5     {
 6         /// <summary>
 7         /// 寫入INI文件
 8         /// </summary>
 9         /// <param name="section">節點名稱[如TypeName]</param>
10         /// <param name="key">鍵</param>
11         /// <param name="val">值</param>
12         /// <param name="filepath">文件路徑</param>
13         /// <returns></returns>
14         [DllImport("kernel32")]
15         private static extern long WritePrivateProfileString(string section, string key, string val, string filepath);
16         /// <summary>
17         /// 讀取INI文件
18         /// </summary>
19         /// <param name="section">節點名稱</param>
20         /// <param name="key">鍵</param>
21         /// <param name="def">值</param>
22         /// <param name="retval">stringbulider對象</param>
23         /// <param name="size">位元組大小</param>
24         /// <param name="filePath">文件路徑</param>
25         /// <returns></returns>
26         [DllImport("kernel32")]
27         private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retval, int size, string filePath);
28 
29         /// <summary>
30         /// 寫入或更新.ini配置文件屬性值
31         /// </summary>
32         /// <param name="section">區域（節點）</param>
33         /// <param name="key">key鍵屬性名稱</param>
34         /// <param name="value">key鍵對應屬性值param>
35         /// <param name="path">.ini文件所在路徑</param>
36         public static void WriteContentValue(string section, string key, string value, string path)
37         {
38             //判斷文件是或否存在
39             if (File.Exists(path))
40             {
41                 WritePrivateProfileString(section, key, value, path);
42             }
43         }
44 
45         /// <summary>
46         /// 讀取.ini配置文件屬性值
47         /// </summary>
48         /// <param name="Section">區域(節點)</param>
49         /// <param name="key">key鍵屬性名稱</param>
50         /// <param name="path">.ini文件所在路徑</param>
51         /// <returns></returns>
52         public static string ReadContentValue(string Section, string key, string path)
53         {
54             StringBuilder temp = new StringBuilder(1024);
55             //判斷文件是或否存在
56             if (File.Exists(path))
57             {
58                 GetPrivateProfileString(Section, key, "", temp, 1024, path);
59             }
60             return temp.ToString();
61 
62         }
63     }

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