using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Configuration; using System.Collections; namespace ConsoleApp26 { internal class Program { static Dictionary<string, string> configDic = new Dictionary<string, string>(); static void Main(string[] args) { InitConfigDic(); FillConfigFile(); ReadFromConfig(); PrintConfigDic(); Console.ReadLine(); } private static void PrintConfigDic() { Console.WriteLine("In ConfigDic:"); foreach(KeyValuePair<string,string> kvp in configDic) { Console.WriteLine($"Key:{kvp.Key},Value: {kvp.Value}"); } } private static void ReadFromConfig() { Console.WriteLine("In ConfigurationManager.AppSettings:"); foreach (KeyValuePair<string, string> kvp in configDic) { Console.WriteLine($"{kvp.Key},{ConfigurationManager.AppSettings[kvp.Key]}"); } } private static void FillConfigFile() { foreach (KeyValuePair<string, string> kvp in configDic) { WriteToConfig(kvp.Key, kvp.Value); } } private static void InitConfigDic() { for (int i = 0; i < 10; i++) { configDic.Add($"Config{i + 1}", Guid.NewGuid().ToString()); } } static void ListConfigurationFile() { var cfg = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None); Console.WriteLine($"ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None) :" + $"{cfg.FilePath}"); cfg = ConfigurationManager.OpenMachineConfiguration(); Console.WriteLine($"ConfigurationManager.OpenMachineConfiguration():{cfg.FilePath}"); } static void WriteToConfig(string cfgKey, string cfgValue) { var cfg = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None); //Necessary,this will remove old value,and insert new value,else it will append new value after old value cfg.AppSettings.Settings.Remove(cfgKey); cfg.AppSettings.Settings.Add(cfgKey, cfgValue); cfg.Save(ConfigurationSaveMode.Full); ConfigurationManager.RefreshSection("appSettings"); } static string ReadFromConfig(string cfgKey) { string cfgValue = null; cfgValue = ConfigurationManager.AppSettings[cfgKey]; return cfgValue; } } }
标签:ConfigurationManager,C#,cfg,System,value,write,static,kvp From: https://www.cnblogs.com/Fred1987/p/18125697