.net 配置管理

来源：互联网发布：中小学创新设计软件编辑：程序博客网时间：2024/06/05 06:47

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Configuration;

namespace WebApiDemo2.Utils
{
    public class ConfigUtil
    {
        ////获取根目录
        //private static string rootPath = HttpRuntime.AppDomainAppPath.ToString();
        //private string exeName = System.Reflection.Assembly.GetExecutingAssembly().FullName;
        private ConfigUtil(){ }

        private static readonly object m_cfgMutex = new object();
        private static ConfigUtil instance;
        private static ExeConfigurationFileMap map;
        private static Configuration configManager;

        public static ConfigUtil GetInstance()
        {
            if(instance == null)
            {
                lock (m_cfgMutex)
                {
                    if(instance == null)
                    {
                        instance = new ConfigUtil();
                    }
                }

                map = new ExeConfigurationFileMap();
                map.ExeConfigFilename = GetCfgFilePath();
                configManager = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None);
            }

return instance;
}

        public static string GetCfgFilePath()
        {
            return GetRootPat() + "Config\\"+GetExeName()+".Config";
        }

        public static string GetRootPat()
        {
            return HttpRuntime.AppDomainAppPath.ToString();
        }

        public static string GetExeName()
        {
            //WebApiDemo2, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
            string fullName = System.Reflection.Assembly.GetExecutingAssembly().FullName;
            return fullName.Substring(0, fullName.IndexOf(","));
        }

        public string GetCfgValue(string key)
        {
            if(configManager.HasFile)
            {
                return configManager.AppSettings.Settings[key].Value;
            }

return "";
}

}
}

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