LIOT/EMIS.Utility/QRCodeHelper.cs

using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
//using Spire.Barcode;
using ThoughtWorks.QRCode.Codec;

namespace EMIS.Utility
{
    public class QRCodeHelper
    {
        public static Image GenerateQRCode(string code)
        {
            QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();
            qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
            qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
            qrCodeEncoder.QRCodeVersion = 0;
            qrCodeEncoder.QRCodeScale = 4;

            //将字符串生成二维码图片
            Bitmap image = qrCodeEncoder.Encode(code, Encoding.Default);

            return image;

            ////保存为PNG到内存流  
            //MemoryStream ms = new MemoryStream();
            //image.Save(ms, ImageFormat.Png);

            //BarcodeSettings barsetting = new BarcodeSettings();

            ////set the x dimension
            //barsetting.X = 0.8f;
            //barsetting.Unit = GraphicsUnit.Millimeter;
            //barsetting.HasBorder = true;
            //barsetting.BorderWidth = 0.5F;
            ////set the data
            //barsetting.Data = code;
            //barsetting.Data2D = code;
            //barsetting.QRCodeECL = QRCodeECL.H;
            //barsetting.ShowText = false;
            //barsetting.ShowTopText = false;
            //barsetting.ShowCheckSumChar = false;
            //barsetting.ShowTextOnBottom = false;
            ////generate UPCA barcode
            //barsetting.Type = BarCodeType.QRCode;

            //BarCodeGenerator bargenerator = new BarCodeGenerator(barsetting);
            //Image barcodeimage = bargenerator.GenerateImage();

            //return barcodeimage;
        }
    }
}