public bool load()
        {
            try
            {
                if (!exists())
                {
                    if (this.dict == null)
                    {
                        Loging.LogError <JsonConfiguration>("加载配置失败,文件不存在:\n" + string.Join("\n", this.paths));
                    }
                    else
                    {
                        Loging.LogError <JsonConfiguration>("加载配置失败,文件不存在:\n" + string.Join("\n", this.paths));
                    }
                    return(false);
                }

                Dictionary <string, string> json = readJson();
                if (json == null)
                {
                    if (this.dict == null)
                    {
                        Loging.LogError <JsonConfiguration>("加载配置失败,文件格式不正确");
                    }
                    else
                    {
                        Loging.LogError <JsonConfiguration>("加载配置失败,文件格式不正确");
                    }
                    return(false);
                }

                this.dict = new Dictionary <string, string>();
                foreach (string key in json.Keys)
                {
                    this.dict[key.ToLower()] = json[key];
                }
            }
            catch (Exception e)
            {
                if (this.dict == null)
                {
                    Loging.LogError <JsonConfiguration>("加载配置失败", e);
                }
                else
                {
                    Loging.LogWarning <JsonConfiguration>("加载配置失败", e);
                }
                return(false);
            }
            return(true);
        }
        protected string _getValue(string key, string defaultValue)
        {
            string val = defaultValue;

            foreach (IConfiguration config in configList)
            {
                val = config.getValue(key);

                if (val != null)
                {
                    break;
                }
            }

            if (val == null)
            {
                val = defaultValue;
                Loging.LogWarning <ConfigurationCenter>("未能读取配置信息:" + key);
            }

            return(val);
        }