C#实现.ini文件读写操作

1、ini文件是什么？

       见百度百科：https://baike.baidu.com/item/ini%E6%96%87%E4%BB%B6/9718973?fr=aladdin

2、C#语言实现ini文件的读写操作

1  /// <summary>
2     /// 配置文件 .ini操作类
3     /// </summary>
4     public class IniFileUtils
5     {
6         /// <summary>
7         /// 写入INI文件
8         /// </summary>
9         /// <param name="section">节点名称[如TypeName]</param>
10         /// <param name="key">键</param>
11         /// <param name="val">值</param>
12         /// <param name="filepath">文件路径</param>
13         /// <returns></returns>
14         [DllImport("kernel32")]
15         private static extern long WritePrivateProfileString(string section, string key, string val, string filepath);
16         /// <summary>
17         /// 读取INI文件
18         /// </summary>
19         /// <param name="section">节点名称</param>
20         /// <param name="key">键</param>
21         /// <param name="def">值</param>
22         /// <param name="retval">stringbulider对象</param>
23         /// <param name="size">字节大小</param>
24         /// <param name="filePath">文件路径</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         /// 写入或更新.ini配置文件属性值
31         /// </summary>
32         /// <param name="section">区域（节点）</param>
33         /// <param name="key">key键属性名称</param>
34         /// <param name="value">key键对应属性值param>
35         /// <param name="path">.ini文件所在路径</param>
36         public static void WriteContentValue(string section, string key, string value, string path)
37         {
38             //判断文件是或否存在
39             if (File.Exists(path))
40             {
41                 WritePrivateProfileString(section, key, value, path);
42             }
43         }
44
45         /// <summary>
46         /// 读取.ini配置文件属性值
47         /// </summary>
48         /// <param name="Section">区域(节点)</param>
49         /// <param name="key">key键属性名称</param>
50         /// <param name="path">.ini文件所在路径</param>
51         /// <returns></returns>
52         public static string ReadContentValue(string Section, string key, string path)
53         {
54             StringBuilder temp = new StringBuilder(1024);
55             //判断文件是或否存在
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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