适用于app.config与web.config的ConfigUtil读写工具类-白红宇的个人博客

适用于app.config与web.config的ConfigUtil读写工具类
发布日期：2021-05-09 09:35:27 浏览次数：14 分类：博客文章
本文共 6969 字，大约阅读时间需要 23 分钟。
之前文章：《》，现在重新整理一个更完善的版本，增加批量读写以及指定配置文件路径，代码如下：
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Configuration;using System.IO;namespace Zuowj.Utils{    ///     /// 配置工具类    /// Author：左文俊    /// Date：2018/1/27    public static class ConfigUtil    {        ///         /// 获取管理配置文件对象Configuration        /// 
        /// 指定要管理的配置文件路径，如果为空或不存在，则管理程序集默认的配置文件路径        /// 
             private static Configuration GetConfiguration(string configPath = null)        {            if (!string.IsNullOrEmpty(configPath) && File.Exists(configPath))            {                ExeConfigurationFileMap map = new ExeConfigurationFileMap();                map.ExeConfigFilename = configPath;                return ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None);            }            else            {                return ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);            }        }        ///         /// 获取指定配置文件+配置名称的配置项的值        /// 
        public static string GetAppSettingValue(string key, string defaultValue = null, string configPath = null)        {            var config = GetConfiguration(configPath);            var appSetting = config.AppSettings.Settings[key];            return appSetting.Value;        }        ///         /// 设置配置值（存在则更新，不存在则新增）        /// 
        public static void SetAppSettingValue(string key, string value, string configPath = null)        {            var config = GetConfiguration(configPath);            var setting = config.AppSettings.Settings[key];            if (setting == null)            {                config.AppSettings.Settings.Add(key, value);            }            else            {                setting.Value = value;            }            config.Save(ConfigurationSaveMode.Modified);            ConfigurationManager.RefreshSection("appSettings");        }        ///         /// 删除配置值        /// 
        public static void RemoveAppSetting(string key, string configPath = null)        {            var config = GetConfiguration(configPath);            config.AppSettings.Settings.Remove(key);            config.Save(ConfigurationSaveMode.Modified);            ConfigurationManager.RefreshSection("appSettings");        }        ///         /// 设置多个配置值（存在则更新，不存在则新增）        /// 
        public static void SetAppSettingValues(IEnumerable
     
      
       > settingValues, string configPath = null)        {            var config = GetConfiguration(configPath);            foreach (var item in settingValues)            {                var setting = config.AppSettings.Settings[item.Key];                if (setting == null)                {                    config.AppSettings.Settings.Add(item.Key, item.Value);                }                else                {                    setting.Value = item.Value;                }            }            config.Save(ConfigurationSaveMode.Modified);            ConfigurationManager.RefreshSection("appSettings");        }        /// 
               /// 获取所有配置值        /// 
        public static Dictionary
       
         GetAppSettingValues(string configPath = null)        {            Dictionary
        
          settingDic = new Dictionary
         
          (); var config = GetConfiguration(configPath); var settings = config.AppSettings.Settings; foreach (string key in settings.AllKeys) { settingDic[key] = settings[key].ToString(); } return settingDic; } /// 
           /// 删除多个配置值 /// 
 public static void RemoveAppSettings(string configPath = null, params string[] keys) { var config = GetConfiguration(configPath); if (keys != null) { foreach (string key in keys) { config.AppSettings.Settings.Remove(key); } } else { config.AppSettings.Settings.Clear(); } config.Save(ConfigurationSaveMode.Modified); ConfigurationManager.RefreshSection("appSettings"); } /// 
           /// 获取连接字符串 /// 
 public static string GetConnectionString(string name, string defaultconnStr = null, string configPath = null) { var config = GetConfiguration(configPath); var connStrSettings = config.ConnectionStrings.ConnectionStrings[name]; if (connStrSettings == null) { return defaultconnStr; } return connStrSettings.ConnectionString; } /// 
           /// 获取指定配置文件+连接名称的连接字符串配置项 /// 
 public static ConnectionStringSettings GetConnectionStringSetting(string name, string configPath = null) { var config = GetConfiguration(configPath); var connStrSettings = config.ConnectionStrings.ConnectionStrings[name]; return connStrSettings; } /// 
           /// 设置连接字符串的值（存在则更新，不存在则新增） /// 
 public static void SetConnectionString(string name, string connstr, string provider, string configPath = null) { var config = GetConfiguration(configPath); ConnectionStringSettings connStrSettings = config.ConnectionStrings.ConnectionStrings[name]; if (connStrSettings != null) { connStrSettings.ConnectionString = connstr; connStrSettings.ProviderName = provider; } else { connStrSettings = new ConnectionStringSettings(name, connstr, provider); config.ConnectionStrings.ConnectionStrings.Add(connStrSettings); } config.Save(ConfigurationSaveMode.Modified); ConfigurationManager.RefreshSection("connectionStrings"); } /// 
           /// 删除连接字符串配置项 /// 
 public static void RemoveConnectionString(string name, string configPath = null) { var config = GetConfiguration(configPath); config.ConnectionStrings.ConnectionStrings.Remove(name); config.Save(ConfigurationSaveMode.Modified); ConfigurationManager.RefreshSection("connectionStrings"); } /// 
           /// 获取所有的连接字符串配置项 /// 
 public static Dictionary
          
            GetConnectionStringSettings(string configPath = null) { var config = GetConfiguration(configPath); var connStrSettingDic = new Dictionary
           
            (); var connStrSettings = ConfigurationManager.ConnectionStrings; foreach (ConnectionStringSettings item in connStrSettings) { connStrSettingDic[item.Name] = item; } return connStrSettingDic; } /// 
             /// 设置多个连接字符串的值（存在则更新，不存在则新增） /// 
 public static void SetConnectionStrings(IEnumerable
            
              connStrSettings, string configPath = null) { var config = GetConfiguration(configPath); foreach (var item in connStrSettings) { ConnectionStringSettings connStrSetting = config.ConnectionStrings.ConnectionStrings[item.Name]; if (connStrSetting != null) { connStrSetting.ConnectionString = item.ConnectionString; connStrSetting.ProviderName = item.ProviderName; } else { config.ConnectionStrings.ConnectionStrings.Add(item); } } config.Save(ConfigurationSaveMode.Modified); ConfigurationManager.RefreshSection("connectionStrings"); } /// 
              /// 删除多个连接字符串配置项 /// 
 public static void RemoveConnectionStrings(string configPath = null, params string[] names) { var config = GetConfiguration(configPath); if (names != null) { foreach (string name in names) { config.ConnectionStrings.ConnectionStrings.Remove(name); } } else { config.ConnectionStrings.ConnectionStrings.Clear(); } config.Save(ConfigurationSaveMode.Modified); ConfigurationManager.RefreshSection("connectionStrings"); } }}
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