#region 二維碼
        int i = 2;
        /// <summary>
        /// 生成二維碼
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnProduct_Click(object sender, EventArgs e)
        {
            ThoughtWorks.QRCode.Codec.QRCodeEncoder endocder 
 
= new ThoughtWorks.QRCode.Codec.QRCodeEncoder();
            //二維碼背景顏色
            endocder.QRCodeBackgroundColor = System.Drawing.Color.White;
            //二維碼編碼方式
            endocder.QRCodeEncodeMode = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ENCODE_MODE.BYTE;
            //每個小方格的寬度
            endocder.QRCodeScale = 4
 
;
            //二維碼版本號
            endocder.QRCodeVersion = 5;//控制版本，不同版本，顯示出來的樣式不一樣
            //糾錯等級
            endocder.QRCodeErrorCorrect = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ERROR_CORRECTION.M;
            var person = new { Id = ++i, Name = "wolfy", Gender = 1, Age = 24 + ++i };
            //將json川做成二維碼
 

            using (Bitmap bitmap = endocder.Encode(new JavaScriptSerializer().Serialize(person), System.Text.Encoding.UTF8))
            {
                //Bitmap bitmap = endocder.Encode(new JavaScriptSerializer().Serialize(person), System.Text.Encoding.UTF8);
                var strSavePath = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, $"QRCode{i}.jpg");
                strSavePath = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, $"QRCode.jpg");
                if (!Directory.Exists(Path.GetDirectoryName(strSavePath)))
                {
                    Directory.CreateDirectory(strSavePath);
                }
                //System.Runtime.InteropServices.ExternalException:
                //     使用錯誤的影象格式儲存影象。 - 或 - 影象已儲存到同一檔案從建立它。出現一般都是儲存路經問題，或者aspnet中是讀寫檔案許可權問題
                bitmap.Save(strSavePath, System.Drawing.Imaging.ImageFormat.Jpeg);
                pbxPicture.SizeMode = PictureBoxSizeMode.Zoom;
                //pbxQRCode.Image = Bitmap.FromHbitmap(bitmap.GetHbitmap());
                //第一種繪圖
                IntPtr hBitmap = bitmap.GetHbitmap();
                pbxQRCode.Image = Bitmap.FromHbitmap(hBitmap);
                //pbxQRCode.Image.Save(System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, $"QRCode.jpg"), System.Drawing.Imaging.ImageFormat.Jpeg);
                DeleteObject(hBitmap);
                bitmap.Dispose();

                //第二種繪圖
                //Graphics graphics = Graphics.FromImage(bitmap);
                //graphics.Clear(Color.White);
                ////再bitmap上繪圖
                //graphics.DrawImage(new Bitmap(""), new PointF(0, 0));
                //graphics.Dispose();
            }


            //解密二維碼
            //ThoughtWorks.QRCode.Codec.QRCodeDecoder qRCodeDecoder = new ThoughtWorks.QRCode.Codec.QRCodeDecoder();
            //var decoderResult = qRCodeDecoder.decode(new ThoughtWorks.QRCode.Codec.Data.QRCodeBitmapImage(new Bitmap(strSavePath)));

        }

        /// <summary>
        /// 解密二維碼
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnConsume_Click(object sender, EventArgs e)
        {
            var strSavePath = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, $"QRCode{i}.jpg");
            strSavePath = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, $"QRCode.jpg");
            ThoughtWorks.QRCode.Codec.QRCodeDecoder qRCodeDecoder = new ThoughtWorks.QRCode.Codec.QRCodeDecoder();
            var decoderResult = qRCodeDecoder.decode(new ThoughtWorks.QRCode.Codec.Data.QRCodeBitmapImage(new Bitmap(strSavePath)));
            lblTakephotoSavePath.Text = $"二維碼：{decoderResult}";
        }
        #endregion