INI文件

![](/media/202409/2024-09-19_162527_8489840.5586894155788742.jpeg)

```java

//需导入命名空间
using System.Runtime.InteropServices;

/// <summary>
/// 写入ini文件
/// </summary>
/// <param name="node">节点名称</param>
/// <param name="key">键</param>
/// <param name="value">值</param>
/// <param name="filepath">ini路径</param>
/// <returns>0失败/其他成功</returns>
[DllImport("kernel32")]
private static extern long WritePrivateProfileString(string node, string key, string value, string filepath);

/// <summary>
/// 
/// </summary>
/// <param name="node">节点名称</param>
/// <param name="key">键</param>
/// <param name="value">值(未读取到数据时设置的默认返回值)</param>
/// <param name="result">读取的结果值</param>
/// <param name="size">读取缓冲区大小</param>
/// <param name="filePath">ini路径</param>
/// <returns>读取到的字节数量</returns>
[DllImport("kernel32")]
private static extern int GetPrivateProfileString(string node, string key, string value, StringBuilder result, int size, string filePath);

string iniPath = Application.StartupPath + "\\config.ini";
 private void GetIni()
 {
     //声明接收的数据
     StringBuilder builder = new StringBuilder(1024);
     //调用Winapi函数读取config节点下Name的值
     int len = GetPrivateProfileString("config", "Name", "", builder, 1024, iniPath);
     //输出:张三
     Console.WriteLine(builder.ToString());
 }

private void WriteIni()
 {
     //调用Winapi函数将Name=张三写入config节点下
     long len = WritePrivateProfileString("config", "Name", "张三", iniPath);
     len = WritePrivateProfileString("config", "Sex", "男", iniPath);

//调用Winapi函数将Name=李四config2节点下
     len = WritePrivateProfileString("config2", "Name", "李四", iniPath);
     len = WritePrivateProfileString("config2", "Sex", "女", iniPath);
 }
```