C# 读取配置指定Config文件--亲测通过

直接上代码：

 

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public class ConfigUtils    {        public static String GetKey(String configPath,String key)        {            Configuration ConfigurationInstance = ConfigurationManager.OpenMappedExeConfiguration(new ExeConfigurationFileMap()            {                ExeConfigFilename = configPath            }, ConfigurationUserLevel.None);                if (ConfigurationInstance.AppSettings.Settings[key] != null)                return ConfigurationInstance.AppSettings.Settings[key].Value;            else                  return string.Empty;        }          public static bool SetKey(String configPath, String key,String vls)        {            try            {                Configuration ConfigurationInstance = ConfigurationManager.OpenMappedExeConfiguration(new ExeConfigurationFileMap()                {                    ExeConfigFilename = configPath                }, ConfigurationUserLevel.None);                  if (ConfigurationInstance.AppSettings.Settings[key] != null)                    ConfigurationInstance.AppSettings.Settings[key].Value = vls;                else                    ConfigurationInstance.AppSettings.Settings.Add(key, vls);                ConfigurationInstance.Save(ConfigurationSaveMode.Modified);                ConfigurationManager.RefreshSection("appSettings");                return true;            }            catch            {                return false;            }        }    }

　　

 

使用方法：

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public static bool SetXXXKey(String vls)         {             return ConfigUtils.SetKey(AppDomain.CurrentDomain.SetupInformation.ApplicationBase + "XXX.exe.config", "XXX",vls);         }   //XXX分别是文件名/Key名           public static String GetXXXKey()         {             return ConfigUtils.GetKey(AppDomain.CurrentDomain.SetupInformation.ApplicationBase + "XXX.exe.config", "XXX");         }   //XXX分别是文件名/Key名