Himall商城更新插件列表\获取插件程序集文件\ 深复制IPlugin

 /// <summary>
        /// 更新插件列表
        /// </summary>
        /// <param name="plugin"></param>
        static void UpdatePluginList(PluginInfo plugin)
        {
            foreach (var pluginType in plugin.PluginTypes)
                IntalledPlugins[pluginType].Add(plugin);
        }

        static void RemovePlugin(PluginInfo plugin)
        {
            foreach (var pluginType in plugin.PluginTypes)
                IntalledPlugins[pluginType].Remove(plugin);
        }

        /// <summary>
        /// 获取插件程序集文件
        /// </summary>
        /// <param name="pluginDirectory">插件所在目录</param>
        /// <returns></returns>
        static IEnumerable<string> GetPluginFiles(string pluginDirectory)
        {
            if (!System.IO.Dire