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ThoughtWorks.QRCode和ZXing.Net 二维码，网址可以直接跳转

2022-06-22 12:50:00 【51CTO】

 ThoughtWorks.QRCode和ZXing.Net 二维码，网址可以直接跳转

1、项目引用 ThoughtWorks.QRCode和ZXing.Net 二维码的相关生成类库，管理NuGet程序包搜索添加ThoughtWorks.QRCode和ZXing.Net包

2、添加按钮生成二维码按钮(ThoughtWorks.QRCode和ZXing.Net  两个按钮)，添加picturebox显示二维码

3、ThoughtWorks.QRCode和ZXing.Net  两个按钮事件的主要代码如下

ThoughtWorks.QRCode和ZXing.Net 

      
      

       
       #region 二维码
       
       
        int i = 2;
       
       
        /// <summary>
       
       
        /// 生成二维码
       
       
        /// </summary>
       
       
        /// <param name="sender"></param>
       
       
        /// <param name="e"></param>
       
       
        private void btnProduct_Click(object sender, EventArgs e)
       
       
        {
       
       
            #region ThoughtWorks.QRCode 二维码，网址可以直接跳转  
       
       
            ThoughtWorks.QRCode.Codec.QRCodeEncoder endocder = new ThoughtWorks.QRCode.Codec.QRCodeEncoder();
       
       
            //二维码背景颜色
       
       
            endocder.QRCodeBackgroundColor = System.Drawing.Color.White;
       
       
            //二维码编码方式
       
       
            endocder.QRCodeEncodeMode = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ENCODE_MODE.BYTE;
       
       
            //每个小方格的宽度
       
       
            endocder.QRCodeScale = 4;
       
       
            //二维码版本号
       
       
            endocder.QRCodeVersion = 5;//控制版本，不同版本，显示出来的样式不一样
       
       
            //纠错等级
       
       
            endocder.QRCodeErrorCorrect = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ERROR_CORRECTION.M;
       
       

       
       
            //将json做成二维码
       
       
            //序列化对象
       
       
            //var person = new { Id = i, Name = "66666", Gender = 1, Age = 24 + i++, oid = i, url = "https://www.baidu.com/" };
       
       
            //using (Bitmap bitmap = endocder.Encode(new JavaScriptSerializer().Serialize(person), System.Text.Encoding.UTF8))
       
       
            //using (Bitmap bitmap = endocder.Encode(new JavaScriptSerializer().Serialize(person)))
       
       

       
       
            // 链接地址
       
       
            var person = "http://www.baidu.com/";
       
       
            using (Bitmap bitmap = endocder.Encode(person))
       
       
            {
       
       
                //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:
       
       
                //使用错误的图像格式保存图像。 - 或 - 图像已保存到同一文件从创建它。出现一般都是保存路经问题，或者aspnet中是读写文件权限问题
       
       
                bitmap.Save(strSavePath, System.Drawing.Imaging.ImageFormat.Jpeg);
       
       
                pbxPicture.SizeMode = PictureBoxSizeMode.Zoom;
       
       
                //pbxQRCode.Image = Bitmap.FromHbitmap(bitmap.GetHbitmap());
       
       
                //第一种绘图
       
       
                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();
       
       

       
       
                //第二种绘图
       
       
                //Graphics graphics = Graphics.FromImage(bitmap);
       
       
                //graphics.Clear(Color.White);
       
       
                ////再bitmap上绘图
       
       
                //graphics.DrawImage(new Bitmap(""), new PointF(0, 0));
       
       
                //graphics.Dispose();
       
       
            }
       
       

       
       

       
       
            //解密二维码
       
       
            //ThoughtWorks.QRCode.Codec.QRCodeDecoder qRCodeDecoder = new ThoughtWorks.QRCode.Codec.QRCodeDecoder();
       
       
            //var decoderResult = qRCodeDecoder.decode(new ThoughtWorks.QRCode.Codec.Data.QRCodeBitmapImage(new Bitmap(strSavePath))); 
       
       
            #endregion
       
       

       
       
            #region ZXing.Net 二维码，网址可以直接跳转
       
       
            //var textBoxText = "http://106.12.79.39/#/login?redirect=%2Fdashboard";
       
       
            //textBoxText = "https://www.baidu.com/";
       
       
            //BarcodeWriter barCodeWriter = new BarcodeWriter();
       
       
            //barCodeWriter.Format = BarcodeFormat.QR_CODE;
       
       
            //barCodeWriter.Options.Hints.Add(EncodeHintType.CHARACTER_SET, "UTF-8");
       
       
            //barCodeWriter.Options.Height = 230;
       
       
            //barCodeWriter.Options.Width = 230;
       
       
            //BitMatrix bm = barCodeWriter.Encode(textBoxText);
       
       
            //Bitmap img = barCodeWriter.Write(bm);
       
       
            //pbxQRCode.Image = img;
       
       
            //pbxQRCode.SizeMode = PictureBoxSizeMode.Zoom;
       
       
            #endregion
       
       

       
       
        }
       
       
        private void btnZxing_Click(object sender, EventArgs e)
       
       
        {
       
       
            #region ZXing.Net 二维码，网址可以直接跳转 ThoughtWorks.QRCode 二维码
       
       
            //var textBoxText = "http://106.12.79.39/#/login?redirect=2Fdashboard&ee=6";
       
       
            //textBoxText = "https://www.baidu.com?redirect=2Fdashboard&ee=6";
       
       
            //var textBoxText = new { Id = i, Name = "wolfy", Gender = 1, Age = 24 + i++, oid = i, url = "https://www.baidu.com/" };
       
       
            BarcodeWriter barCodeWriter = new BarcodeWriter();
       
       
            barCodeWriter.Format = BarcodeFormat.QR_CODE;
       
       
            barCodeWriter.Options.Hints.Add(EncodeHintType.CHARACTER_SET, "UTF-8");
       
       
            barCodeWriter.Options.Height = 230;
       
       
            barCodeWriter.Options.Width = 230;
       
       

       
       
            //链接地址
       
       
            //textBoxText = "https://www.baidu.com?redirect=2Fdashboard&ee=6";
       
       
            //BitMatrix bm = barCodeWriter.Encode(textBoxText);
       
       

       
       
            //序列化对象
       
       
            //var textBoxText = new { Id = i, Name = "wolfy", Gender = 1, Age = 24 + i++, oid = i, url = "https://www.baidu.com/" };
       
       
            //BitMatrix bm = barCodeWriter.Encode(new JavaScriptSerializer().Serialize(textBoxText));
       
       

       
       
            //字符串
       
       
            var textBoxText = "https://www.baidu.com?redirect=2Fdashboard&ee=6";
       
       
            BitMatrix bm = barCodeWriter.Encode(textBoxText);
       
       
            Bitmap img = barCodeWriter.Write(bm);
       
       
            pbxQRCode.Image = img;
       
       
            pbxQRCode.SizeMode = PictureBoxSizeMode.Zoom;
       
       
            #endregion
       
       
        }
       
       

       
       
        /// <summary>
       
       
        /// 解密二维码
       
       
        /// </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");
       
       
            //Bitmap bitmap = new Bitmap(new MemoryStream(File.ReadAllBytes(strSavePath)));
       
       
            using (Bitmap bitmap = new Bitmap(new MemoryStream(File.ReadAllBytes(strSavePath))))
       
       
            {
       
       
                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)));
       
       
                var decoderResult = qRCodeDecoder.decode(new ThoughtWorks.QRCode.Codec.Data.QRCodeBitmapImage(bitmap));
       
       
                lblTakephotoSavePath.Text = $"二维码：{decoderResult}";
       
       
            }
       
       
        }
       
       
        #endregion
      
      

      
      
    
       
       
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本文为[51CTO]所创，转载请带上原文链接，感谢
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