//生成条形码 private void button1_Click(object sender, EventArgs e) { lbshow.Text = ""; Regex rg = new Regex("^[0-9]{13}$"); if (!rg.IsMatch(txtMsg.Text)) { MessageBox.Show("本例子采用EAN_13编码,需要输入13位数字"); return; } try { MultiFormatWriter mutiWriter = new com.google.zxing.MultiFormatWriter(); ByteMatrix bm = mutiWriter.encode(txtMsg.Text, com.google.zxing.BarcodeFormat.EAN_13, 363, 150); Bitmap img = bm.ToBitmap(); pictureBox1.Image = img; //自动保存图片到当前目录 string filename = System.Environment.CurrentDirectory + "\\EAN_13" + DateTime.Now.Ticks.ToString() + ".jpg"; img.Save(filename, System.Drawing.Imaging.ImageFormat.Jpeg); lbshow.Text = "图片已保存到:" + filename; } catch (Exception ee) { MessageBox.Show(ee.Message); } }
//Look at http://code.google.com/p/zxing/wiki/BarcodeContents for formatting /// <summary> /// Returns a QRCode with the data embedded /// </summary> /// <param name="data">The data to embed in a QRCode.</param> public Task<ImageResult> QRCode(string data) { return AsyncHelper.RunAsync(() => { var qrCode = new MultiFormatWriter(); var byteIMG = qrCode.encode(data, BarcodeFormat.QR_CODE, 200, 200); sbyte[][] img = byteIMG.Array; var bmp = new Bitmap(200, 200); var g = Graphics.FromImage(bmp); g.Clear(Color.White); for (var y = 0; y <= img.Length - 1; y++) { for (var x = 0; x <= img[y].Length - 1; x++) { g.FillRectangle( img[y][x] == 0 ? Brushes.Black : Brushes.White, x, y, 1, 1); } } var stream = new System.IO.MemoryStream(); bmp.Save(stream, ImageFormat.Jpeg); var imageBytes = stream.ToArray(); stream.Close(); return this.Image(imageBytes, "image/jpeg"); }); }
private void generate_barcode(String queryString, int width, int height, PictureBox targetPictureBox) { Regex rg = new Regex("^[0-9]{11}$"); if (!rg.IsMatch(queryString)) { // MessageBox.Show("本例子采用EAN_13编码,需要输入13位数字"); MessageBox.Show("本例子采用EAN_11编码,需要输入11位数字"); return; } try { MultiFormatWriter mutiWriter = new com.google.zxing.MultiFormatWriter(); ByteMatrix bm = mutiWriter.encode(queryString, com.google.zxing.BarcodeFormat.EAN_13, 363, 150); Bitmap img = bm.ToBitmap(); targetPictureBox.Image = img; //自动保存图片到当前目录 //string filename = System.Environment.CurrentDirectory + "\\EAN_13" + DateTime.Now.Ticks.ToString() + ".jpg"; //img.Save(filename, System.Drawing.Imaging.ImageFormat.Jpeg); } catch (Exception ee) { MessageBox.Show(ee.Message); } }
public static Bitmap Create(string content) { //构造二维码写码器 MultiFormatWriter mutiWriter = new com.google.zxing.MultiFormatWriter(); ByteMatrix bm = mutiWriter.encode(content, com.google.zxing.BarcodeFormat.QR_CODE, 300, 300); Bitmap img = bm.ToBitmap(); return(img); }
public static Bitmap Create(string content, Image centralImage) { //构造二维码写码器 MultiFormatWriter mutiWriter = new com.google.zxing.MultiFormatWriter(); Hashtable hint = new Hashtable(); hint.Add(EncodeHintType.CHARACTER_SET, "UTF-8"); hint.Add(EncodeHintType.ERROR_CORRECTION, com.google.zxing.qrcode.decoder.ErrorCorrectionLevel.H); //生成二维码 ByteMatrix bm = mutiWriter.encode(content, com.google.zxing.BarcodeFormat.QR_CODE, 300, 300, hint); Bitmap img = bm.ToBitmap(); //要插入到二维码中的图片 Image middlImg = centralImage; //获取二维码实际尺寸(去掉二维码两边空白后的实际尺寸) // System.Drawing.Size realSize = mutiWriter.GetEncodeSize(content, com.google.zxing.BarcodeFormat.QR_CODE, 300, 300); var realSize = mutiWriter.encode(content, com.google.zxing.BarcodeFormat.QR_CODE, 300, 300); //计算插入图片的大小和位置 int middleImgW = Math.Min((int)(realSize.Width / 3.5), middlImg.Width); int middleImgH = Math.Min((int)(realSize.Height / 3.5), middlImg.Height); int middleImgL = (img.Width - middleImgW) / 2; int middleImgT = (img.Height - middleImgH) / 2; //将img转换成bmp格式,否则后面无法创建 Graphics对象 Bitmap bmpimg = new Bitmap(img.Width, img.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb); using (Graphics g = Graphics.FromImage(bmpimg)) { g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic; g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality; g.DrawImage(img, 0, 0); } //在二维码中插入图片 System.Drawing.Graphics MyGraphic = System.Drawing.Graphics.FromImage(bmpimg); //白底 MyGraphic.FillRectangle(Brushes.White, middleImgL, middleImgT, middleImgW, middleImgH); MyGraphic.DrawImage(middlImg, middleImgL, middleImgT, middleImgW, middleImgH); return(bmpimg); }
private void generate_qrcode(String queryString, Image logoImage, int size, PictureBox targetPictureBox) { try { //构造二维码写码器 MultiFormatWriter mutiWriter = new com.google.zxing.MultiFormatWriter(); Hashtable hint = new Hashtable(); hint.Add(EncodeHintType.CHARACTER_SET, "UTF-8"); hint.Add(EncodeHintType.ERROR_CORRECTION, com.google.zxing.qrcode.decoder.ErrorCorrectionLevel.H); //生成二维码 ByteMatrix bm = mutiWriter.encode(queryString, com.google.zxing.BarcodeFormat.QR_CODE, size, size, hint); Bitmap img = bm.ToBitmap(); //要插入到二维码中的图片 Image middlImg = logoImage; //获取二维码实际尺寸(去掉二维码两边空白后的实际尺寸) System.Drawing.Size realSize = mutiWriter.GetEncodeSize(TrackingNumber.Text, com.google.zxing.BarcodeFormat.QR_CODE, 300, 300); //计算插入图片的大小和位置 int middleImgW = Math.Min((int)(realSize.Width / 3.5), middlImg.Width); int middleImgH = Math.Min((int)(realSize.Height / 3.5), middlImg.Height); int middleImgL = (img.Width - middleImgW) / 2; int middleImgT = (img.Height - middleImgH) / 2; //将img转换成bmp格式,否则后面无法创建 Graphics对象 Bitmap bmpimg = new Bitmap(img.Width, img.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb); using (Graphics g = Graphics.FromImage(bmpimg)) { g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic; g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality; g.DrawImage(img, 0, 0); } //在二维码中插入图片 System.Drawing.Graphics MyGraphic = System.Drawing.Graphics.FromImage(bmpimg); //白底 MyGraphic.FillRectangle(Brushes.White, middleImgL, middleImgT, middleImgW, middleImgH); MyGraphic.DrawImage(middlImg, middleImgL, middleImgT, middleImgW, middleImgH); targetPictureBox.Image = bmpimg; //自动保存图片到当前目录 //string filename = System.Environment.CurrentDirectory + "\\QR" + DateTime.Now.Ticks.ToString() + ".jpg"; //bmpimg.Save(filename, System.Drawing.Imaging.ImageFormat.Jpeg); //lbshow.Text = "图片已保存到:" + filename; } catch (Exception ee) { MessageBox.Show(ee.Message); } }
//生成二维码 private void button2_Click(object sender, EventArgs e) { lbshow.Text = ""; try { MultiFormatWriter mutiWriter = new com.google.zxing.MultiFormatWriter(); ByteMatrix bm = mutiWriter.encode(txtMsg.Text, com.google.zxing.BarcodeFormat.QR_CODE, 300, 300); Bitmap img = bm.ToBitmap(); pictureBox1.Image = img; //自动保存图片到当前目录 string filename = System.Environment.CurrentDirectory + "\\QR" + DateTime.Now.Ticks.ToString() + ".jpg"; img.Save(filename, System.Drawing.Imaging.ImageFormat.Jpeg); lbshow.Text = "图片已保存到:" + filename; } catch (Exception ee) { MessageBox.Show(ee.Message); } }
protected void Page_Load(object sender, EventArgs e) { //登录用户名 string memid = Request.QueryString["memid"] ?? ""; //微信方提供的APPID,从config配置文件中获取 appid = ConfigurationManager.AppSettings["appid"].ToString(); //接口文档里的参数(目前不知用处) string auth_code = Request.QueryString["auth_code"] ?? ""; //商品描述 string body = Request.QueryString["body"] ?? ""; //微信支付分配的终端设备号 string device_info = Request.QueryString["device_info"] ?? ""; //微信方提供的mch_id,从config配置文件中获取 string mch_id = ConfigurationManager.AppSettings["mch_id"].ToString(); //随机字符串 string nonce_str = TenpayUtil.getNoncestr(); //通知地址,从config配置文件中获取 string notify_url = ConfigurationManager.AppSettings["domain_url"].ToString() + "/wxpay/WeiXinNotifyUrl.aspx"; //订单号 out_trade_no = Request.QueryString["out_trade_no"] ?? ""; //IP string spbill_create_ip = Request.UserHostAddress; //金额 total_fee = Request.QueryString["total_fee"] ?? ""; total_fee = Convert.ToInt32((Convert.ToDecimal(total_fee) * 100)).ToString();//微信的单位为分,所以乘100 //附加数据原样返回 string attach = string.Format("memid={0}|orderid={1}", memid, out_trade_no); //由于二维码支付每次发起支付的订单ID都要唯一,所以这里使用时间字段接在订单末尾获取时截取掉 out_trade_no = out_trade_no + "|" + DateTime.Now.ToString("yyyyMMddHHmmss"); //获取package包 //商户密钥,从config配置文件中获取 string key = ConfigurationManager.AppSettings["key"].ToString(); //创建支付应答对象 RequestHandler packageReqHandler = new RequestHandler(Context); //初始化 packageReqHandler.init(); packageReqHandler.setParameter("appid", appid); packageReqHandler.setParameter("body", body); packageReqHandler.setParameter("mch_id", mch_id); packageReqHandler.setParameter("nonce_str", nonce_str.ToLower()); packageReqHandler.setParameter("notify_url", notify_url); packageReqHandler.setParameter("out_trade_no", out_trade_no); packageReqHandler.setParameter("spbill_create_ip", spbill_create_ip); packageReqHandler.setParameter("total_fee", total_fee);//商品金额,以分为单位(money * 100).ToString() packageReqHandler.setParameter("trade_type", "NATIVE"); packageReqHandler.setParameter("product_id", out_trade_no); string sign = packageReqHandler.createMd5Sign("key", key); packageReqHandler.setParameter("sign", sign); string data = packageReqHandler.parseXML(); var result = TenPayV3.Unifiedorder(data, "https://api.mch.weixin.qq.com/pay/unifiedorder"); var res = XDocument.Parse(result); string code_url = string.Empty; try { if (res.Element("xml").Element("return_code").Value == "SUCCESS") { code_url = res.Element("xml").Element("code_url").Value; } } catch (Exception) { } if (!string.IsNullOrEmpty(code_url)) { //生成二维码图片 MultiFormatWriter mutiWriter = new com.google.zxing.MultiFormatWriter(); ByteMatrix bm = mutiWriter.encode(code_url, com.google.zxing.BarcodeFormat.QR_CODE, 300, 300); Bitmap img = bm.ToBitmap(); MemoryStream ms = new MemoryStream(); img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg); HttpContext.Current.Response.ClearContent(); //需要输出图象信息 要修改HTTP头 HttpContext.Current.Response.ContentType = "image/jpeg"; HttpContext.Current.Response.BinaryWrite(ms.ToArray()); img.Dispose(); ms.Dispose(); HttpContext.Current.Response.End(); } }
private void txtBarcodeInput_TextChanged(object sender, TextChangedEventArgs e) { if (this.txtBarcodeInput.Text.Length == 13 && barcodeControl != null) { MultiFormatWriter barcodeWriter = new MultiFormatWriter(); Dispatcher.Invoke(System.Windows.Threading.DispatcherPriority.Send, new Action(delegate { _Global_C_ShowWaitingScreen(); ByteMatrix barcodeData = barcodeWriter.encode(txtBarcodeInput.Text, BarcodeFormat.EAN_13, (int)(barcodeControl.imgBarcodeImg.Width), (int)(barcodeControl.imgBarcodeImg.Height * 0.8)); barcodeControl.imgBarcodeImg.Source = getImageSource(barcodeData.ToBitmap()); })); _Barcode_D_Dispose(txtBarcodeInput.Text); } else if (this.txtBarcodeInput.Text.Length == 16 && membershipControl != null) { MultiFormatWriter barcodeWriter = new MultiFormatWriter(); Dispatcher.Invoke(System.Windows.Threading.DispatcherPriority.Send, new Action(delegate { _Global_C_ShowWaitingScreen(); })); _Membership_D_Dispose(txtBarcodeInput.Text); } }