c# 配置文件App.config操作类库

 

public class ConfigOperator{#region 从配置文件获取Value/// <summary>/// 从配置文件获取Value/// </summary>/// <param name="key">配置文件中key字符串</param>/// <returns></returns>public static string GetValueFromConfig(string key){try{Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);//获取AppSettings的节点 AppSettingsSection appsection = (AppSettingsSection)config.GetSection("appSettings");return appsection.Settings[key].Value;}catch{return "";}}#endregion#region 设置配置文件/// <summary>/// 设置配置文件/// </summary>/// <param name="key">配置文件中key字符串</param>/// <param name="value">配置文件中value字符串</param>/// <returns></returns>public static bool SetValueFromConfig(string key, string value){try{//打开配置文件 Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);//获取AppSettings的节点 AppSettingsSection appsection = (AppSettingsSection)config.GetSection("appSettings");appsection.Settings[key].Value = value;config.Save();return true;}catch{return false;}}#endregion