//更新操作
        public void doUpdate()
        {
            download();
            //读取配置文件并进行操作
            DirectoryInfo fileFold = new DirectoryInfo(downloadPath);

            FileInfo[] files   = fileFold.GetFiles();
            string     PcPath  = current + "\\PC";
            string     IniName = "";

            for (int i = 0; files != null && i < files.Length; i++) //将文件信息添加到List里面
            {
                if (files[i].Extension == ".ini")                   //挑选出符合条件的信息
                {
                    IniName = files[i].Name;
                    IniFiles ini_file_read = new IniFiles(downloadPath + "\\" + files[i].Name);
                    for (int j = 0; j < 10000; j++)
                    {
                        String tem_path              = "session" + j.ToString();
                        String tem_file_name         = ini_file_read.IniReadvalue(tem_path, "fileName");
                        String tem_file_updateMethod = ini_file_read.IniReadvalue(tem_path, "updateMethod");
                        if (tem_file_updateMethod == "")
                        {
                            break;
                        }
                        else if (tem_file_updateMethod == "新增")
                        {
                            System.IO.File.Copy(downloadPath + "\\" + tem_file_name,
                                                PcPath + "\\" + tem_file_name, true);
                        }
                        else if (tem_file_updateMethod == "删除")
                        {
                            System.IO.File.Delete(PcPath + "\\" + tem_file_name);
                        }
                        else if (tem_file_updateMethod == "替换")
                        {
                            //先删除后复制
                            System.IO.File.Delete(PcPath + "\\" + tem_file_name);
                            System.IO.File.Copy(downloadPath + "\\" + tem_file_name,
                                                PcPath + "\\" + tem_file_name, true);
                        }
                    }
                    break;
                }
            }

            //更新PC的ini
            DirectoryInfo Fold = new DirectoryInfo(PcPath);

            FileInfo[] fs = Fold.GetFiles();
            for (int i = 0; fs != null && i < fs.Length; i++) //将文件信息添加到List里面
            {
                if (fs[i].Extension == ".ini")                //挑选出符合条件的信息
                {
                    Console.WriteLine(PcPath + "\\" + fs[i].Name);
                    //删除原来的
                    System.IO.File.Delete(PcPath + "\\" + fs[i].Name);
                    break;
                }
            }
            //复制新的进去
            System.IO.File.Copy(downloadPath + "\\" + IniName,
                                PcPath + "\\" + IniName, true);
        }