45 lines
1.4 KiB
C#
45 lines
1.4 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Text;
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using ThoughtWorks;
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using ThoughtWorks.QRCode;
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using ThoughtWorks.QRCode.Codec;
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using ThoughtWorks.QRCode.Codec.Data;
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namespace Mtxfw.shop
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{
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public partial class MakeQRCode : System.Web.UI.Page
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{
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protected void Page_Load(object sender, EventArgs e)
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{
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if (!string.IsNullOrEmpty(Request.QueryString["data"]))
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{
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string str = Request.QueryString["data"];
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//初始化二维码生成工具
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QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
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qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
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qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
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qrCodeEncoder.QRCodeVersion = 0;
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qrCodeEncoder.QRCodeScale = 4;
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//将字符串生成二维码图片
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Bitmap image = qrCodeEncoder.Encode(str, Encoding.Default);
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//保存为PNG到内存流
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MemoryStream ms = new MemoryStream();
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image.Save(ms, ImageFormat.Png);
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//输出二维码图片
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Response.BinaryWrite(ms.GetBuffer());
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Response.End();
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}
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}
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}
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}
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