调用方法：
int iBaudRate = InIHelper.ReadConfig<int>("COM_SETUP", "波特率")
InIHelper类：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | public class InIHelper { private static string FileName = Application.StartupPath + "\\AppConfig.ini"; /// <summary> /// 读取配置文件 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="section"></param> /// <param name="key"></param> /// <returns></returns> public static T ReadConfig<T>(string section, string key) { if (File.Exists(FileName)) { IniFile f = new IniFile(FileName); string value = f.ReadContentValue(section, key); if (String.IsNullOrWhiteSpace(value)) return default(T); if (typeof(T).IsEnum) return (T)Enum.Parse(typeof(T), value, true); return (T)Convert.ChangeType(value, typeof(T)); } else { return default(T); } } /// <summary> /// 写配置文件 /// </summary> /// <param name="section"></param> /// <param name="key"></param> /// <param name="value"></param> public static void WriteConfig(string section, string key, string value) { //如果文件不存在，则创建 if (!File.Exists(FileName)) { using (FileStream myFs = new FileStream(FileName, FileMode.Create)) { } } IniFile f = new IniFile(FileName); f.WriteContentValue(section, key, value); } } |
核心代码：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | public class IniFile { public string Path; public IniFile(string path) { this.Path = path; } /// <summary> /// 写入INI文件 /// </summary> /// <param name="section">节点名称[如[TypeName]]</param> /// <param name="key">键</param> /// <param name="val">值</param> /// <param name="filepath">文件路径</param> /// <returns></returns> [DllImport("kernel32")] private static extern long WritePrivateProfileString(string section, string key, string val, string filepath); /// <summary> /// 读取INI文件 /// </summary> /// <param name="section">节点名称</param> /// <param name="key">键</param> /// <param name="def">值</param> /// <param name="retval">stringbulider对象</param> /// <param name="size">字节大小</param> /// <param name="filePath">文件路径</param> /// <returns></returns> [DllImport("kernel32")] private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retval, int size, string filePath); /// <summary> /// 写入 /// </summary> /// <param name="section"></param> /// <param name="key"></param> /// <param name="iValue"></param> public void WriteContentValue(string section, string key, string iValue) { WritePrivateProfileString(section, key, iValue, this.Path); } /// <summary> /// 读取INI文件中的内容方法 /// </summary> /// <param name="Section">键</param> /// <param name="key">值</param> /// <returns></returns> public string ReadContentValue(string Section, string key) { StringBuilder temp = new StringBuilder(1024); GetPrivateProfileString(Section, key, "", temp, 1024, this.Path); return temp.ToString(); } } |
