【C#】C# 读写ini配置文件 WritePrivateProfileString和GetPrivateProfileString

[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);

封装接口

/// <summary>
/// 读取ini配置文件
/// </summary>
/// <param name="Section">段</param>
/// <param name="Key">键名</param>
/// <param name="def">默认值</param>
/// <param name="filePath">文件路径</param>
/// <returns>读出内容</returns>
public static string ReadValueFromIniFile(string Section, string Key, string def, string filePath)
{
    StringBuilder temp = new StringBuilder(255);
    int i = GetPrivateProfileString(Section, Key, def, temp, 255, filePath);
    return temp.ToString();
}

/// <summary>
/// 写入ini配置文件
/// </summary>
/// <param name="Section">段</param>
/// <param name="Key">键名</param>
/// <param name="Value">键值</param>
/// <param name="filePath">文件路径</param>
public static void WriteValueFromIniFile(string Section, string Key, string Value, string filePath)
{
    WritePrivateProfileString(Section, Key, Value, filePath);
}

static void Main(string[] args)
{
    //写入
    WriteValueFromIniFile("Section", "Name", "GreAmbWang", iniFilePath);
    WriteValueFromIniFile("Section", "Pwd", "123456", iniFilePath);

    //读取
    string name = ReadValueFromIniFile("Section", "Name", "def", iniFilePath);
    string pwd = ReadValueFromIniFile("Section", "Pwd", "null", iniFilePath);

    Console.Write("Name = " + name + "\r\n" + "Pwd = " + pwd);

    Console.ReadKey();
}

文件格式

输出