ShrlAlgoToolkit/ShrlAlgo.Toolkit.Core/Heplers/ConfigHelpers.cs

using System.Configuration;
using System.IO;
using System.Reflection;

namespace ShrlAlgo.Toolkit.Core.Heplers
{
	public class ConfigHelpers
	{
		/// <summary>
		///     获取项目文件夹下的配置文件根据Key获取Value
		/// </summary>
		/// <param name="key">键</param>
		/// <returns></returns>
		public static string GetCfgValue(string key)
		{
			var assembly = Assembly.GetCallingAssembly();

			var uri = new Uri(Path.GetDirectoryName(assembly.Location) ?? string.Empty);
			var map = new ExeConfigurationFileMap { ExeConfigFilename = Path.Combine(uri.LocalPath, assembly.GetName().Name + ".dll.config") };
			var config = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None);
			var loadpath = config.AppSettings.Settings[key].Value; //若路径存在则自动获取该路径
			return loadpath;
		}

		/// <summary>
		///     保存到程序目录下的配置文件
		/// </summary>
		/// <param name="key">键</param>
		/// <param name="value">值</param>
		public static void SetCfgPairs(string key, string value)
		{
			var assembly = Assembly.GetCallingAssembly();
			var uri = new Uri(Path.GetDirectoryName(assembly.Location) ?? string.Empty);
			var map = new ExeConfigurationFileMap { ExeConfigFilename = Path.Combine(uri.LocalPath, assembly.GetName().Name + ".dll.config") };

			var config = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None);
			config.AppSettings.Settings[key].Value = value; //将用户选取的路径_path赋给app.config中的_path(名称自取)
			//ConfigurationManager.OpenMappedExeConfiguration(map, 0).AppSettings.Settings["FamilyPath"].Value = SelectedPath;
			config.AppSettings.SectionInformation.ForceSave = true;

			config.Save(ConfigurationSaveMode.Modified); //将配置保存
			ConfigurationManager.RefreshSection("appSettings"); //刷新配置文件
			//if (Directory.Exists(config.AppSettings.Settings["FamilyPath"].Value))//判断配置的路径是否存在
			//{
			//    dialog.SelectedPath = config.AppSettings.Settings["FamilyPath"].Value;//若路径存在则自动获取该路径
			//}
		}
	}
}