public string GetKaiJ(string type = "ssq")
        {
            /*1.通過WebBrowser控制元件&HttpWebRequest獲得網站資訊*/
            switch (type)
            {
                case "ssq":
                    req = (HttpWebRequest)HttpWebRequest.Create(url_ssq);
                    break;
                case
 
 "dlt":
                    req = (HttpWebRequest)HttpWebRequest.Create(url_dlt);
                    break;
                default:
                    req = (HttpWebRequest)HttpWebRequest.Create(url_ssq);
                    break;
               }

            req.ContentType = "text/html";
            req.Method 
 
= "GET";
            req.Timeout = 1000;
            /*2.資料處理*/   
            HttpWebResponse response = (HttpWebResponse)req.GetResponse();

            /**在這裡對接收到的頁面內容進行處理
             * 說明：HttpWebResponse.ContentEncoding會返回兩種情況：ContentEncoding="";ContentEncoding="gzip";
             * gzip的情況需要解壓，就是第一種情況；注意gzip要小寫；
             * 如果不注意這兩種情況，網站返回的資料有時候會間隔以這兩種情況返回；造成有時候編碼正常，有時亂碼
             * 對於這兩種情況要進行分別的資料解析
             
 
*/
            if (response.ContentEncoding == "gzip") {
                //using (Stream resStream = response.GetResponseStream())
                using (var resStream = new System.IO.Compression.GZipStream(response.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress))
                {
                    //using (StreamReader reader = new StreamReader(resStream,myEncoding))
                    using (var reader = new StreamReader(resStream, System.Text.Encoding.Default))
                    {
                        responseContent = reader.ReadToEnd().ToString();

                        // Read and display lines from the file until the end of
                        // the file is reached.
                        //string line;
                        //while ((line = reader.ReadLine()) != null)
                        //{
                        //    Console.WriteLine(line);
                        //}
                    }
                }
            } else if (response.ContentEncoding == "") {
                using (var resStream = response.GetResponseStream())
                //using (Stream resStream = new System.IO.Compression.GZipStream(response.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress))
                {
                    //using (StreamReader reader = new StreamReader(resStream,myEncoding))
                    using (StreamReader reader = new StreamReader(resStream, myEncoding_default))
                    {
                        responseContent = reader.ReadToEnd().ToString();

                        // Read and display lines from the file until the end of
                        // the file is reached.
                        //string line;
                        //while ((line = reader.ReadLine()) != null)
                        //{
                        //    Console.WriteLine(line);
                        //}
                    }
                }
            } else { }
            return $"{responseContent}\nresponseContentEncoding:{response.ContentEncoding}"; 
        }