C# 条码和二维码
条码 = UserCodeImageHelper.Instance.MakeBarCodeImage(nBID, 字符串);
二维码 = UserCodeImageHelper.Instance.MakeQRCodeImage(nBID, 字符串);
字符串：支持大小写字母，数字，某些特殊符号
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生成二维码
引入ZXing.Net
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后端代码
public static class ZxingCodeHelper { /// <summary> /// 生成二维码，返回Base64字符串 /// </summary> /// <param name="text">内容</param> /// <param name="width">宽度</param> /// <param name="height">高度</param> /// <returns></returns> public static string CreateQRCodeBase64(string text = "内容为空", int width = 300, int height = 300) { BarcodeWriter writer = new BarcodeWriter(); writer.Format = BarcodeFormat.QR_CODE; QrCodeEncodingOptions options = new QrCodeEncodingOptions() { DisableECI = true,//设置内容编码 CharacterSet = "UTF-8", //设置二维码的宽度和高度 Width = width, Height = height, Margin = 1//设置二维码的边距,单位不是固定像素 }; writer.Options = options; string qrBase64 = string.Empty; using (Bitmap map = writer.Write(text)) { System.IO.MemoryStream stream = new System.IO.MemoryStream(); map.Save(stream, System.Drawing.Imaging.ImageFormat.Png); qrBase64 = Convert.ToBase64String(stream.GetBuffer()); }; return "data:image/png;base64," + qrBase64 + ""; } }
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前端Ajax请求
//创建第三方扫码支付（V1.1.2）接口 url: "/ShopUnspay/CreateScanCodeUnspay", data: { flowID: "F2019011015060413755", amountStr: "0.01", payType: "2",//支付类型 1：支付宝 2：微信 3：银联 }, success: function (data) { //--------------------------------------- alert("成功返回" + data); //二维码 var obj = JSON.parse(data); if (obj.code == "1") { $('#BarCode').attr('src', obj.data["BarCode"]); $('#QRCode').attr('src', obj.data["QRCode"]); return; } }, error: function (data) { alert("请求发送失败"); alert(JSON.stringify(data)) return; }
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前端html赋值
<html> <head> <meta name="viewport" content="width=device-width" /> <title>ShopUsersTest</title> </head> <body> <button id="btnOK">点击确定</button> <div> </div> <img src="" alt="条形码" id="BarCode" /> <img src="" alt="二维码" id="QRCode" /> </body> </html>
