C#读写INI文件
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C#读写INI文件,需要用到两个API函数
WritePrivateProfileString
GetPrivateProfileString
需要特别注意的是:这两个函数中的*.ini文件地址要使用绝对地址
下面程序的功能,是在一个空文件test.ini中,写入一些属性,并读取using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace IniTest { /// <summary> /// INI文件工具类 /// </summary> class IniHelper { /// <summary> /// 设定INI文件中的属性 /// </summary> /// <param name="section">节</param> /// <param name="key">键</param> /// <param name="val">值</param> /// <param name="filePath">INI文件的绝对地址</param> /// <returns></returns> [System.Runtime.InteropServices.DllImport("kernel32")] private static extern long WritePrivateProfileString( string section, string key, string val, string filePath); /// <summary> /// 读取INI文件中的属性 /// </summary> /// <param name="section">节</param> /// <param name="key">键</param> /// <param name="def">默认值</param> /// <param name="retVal">被存储到的StringBuilder</param> /// <param name="size">最大字串截取长度</param> /// <param name="filePath">INI文件的绝对地址</param> /// <returns></returns> [System.Runtime.InteropServices.DllImport("kernel32")] private static extern int GetPrivateProfileString( string section, string key, string def, System.Text.StringBuilder retVal, int size, string filePath); /// <summary> /// INI文件的绝对路径 /// </summary> public string Path; /// <summary> /// 读取的默认值 /// </summary> public string DefValue; /// <summary> /// INI读写工具类 /// </summary> /// <param name="path">INI文件绝对地址</param> /// <param name="def">读取值的默认值</param> public IniHelper(string path, string def = "") { System.IO.FileInfo fi = new System.IO.FileInfo(path); if (!fi.Exists) { throw new Exception("文件不存在"); } this.Path = fi.FullName; this.DefValue = def; } /// <summary> /// 设置INI文件的一个值 /// </summary> /// <param name="section">节</param> /// <param name="key">键</param> /// <param name="value">值</param> public void SetValue(string section, string key, object value) { WritePrivateProfileString(section, key, value.ToString(), this.Path); } /// <summary> /// 获取INI文件的一个值 /// </summary> /// <param name="section"></param> /// <param name="key"></param> /// <returns></returns> public string GetValue(string section, string key) { StringBuilder sb = new StringBuilder(255); int i = GetPrivateProfileString( section, key, this.DefValue, sb, 255, this.Path); return sb.ToString(); } } class Program { static void Main(string[] args) { IniHelper ih = new IniHelper("test.ini", "Default"); //设置INI文件中的值 ih.SetValue("Set1", "attr1", "1"); ih.SetValue("Set1", "attr2", 2L); ih.SetValue("Set1", "attr3", 3f); ih.SetValue("Set2", "attra", new StringBuilder("a")); ih.SetValue("Set2", "attrb", 'b'); //读取INI文件中的值 Console.WriteLine(ih.GetValue("Set1", "attr1")); Console.WriteLine(ih.GetValue("Set1", "attr2")); Console.WriteLine(ih.GetValue("Set1", "attr3")); Console.WriteLine(ih.GetValue("Set2", "attra")); Console.WriteLine(ih.GetValue("Set2", "attrb")); //读取不存在的键值 Console.WriteLine(ih.GetValue("Setx", "attrx")); Console.WriteLine("Done."); Console.ReadLine(); } } }来自:http://my.oschina.net/Tsybius2014/blog/326704