kunshan-bzfm-mes-backend/Infrastructure/Helper/PrintHelper.cs

using System.Drawing;
using System.Drawing.Imaging;
using System.DrawingCore;
using System.DrawingCore.Imaging;
using ZXing;
using ZXing.Common;



namespace DOAN.Infrastructure.Helper;

public class PrintHelper
{
    /// <summary>
    /// 打印条形码
    /// </summary>
    /// <param name="message"></param>
    /// <param name="width"></param>
    /// <param name="height"></param>
    /// <returns></returns>
    public static byte[] CreateBarCode(string message, int width, int height)
    {
        if (string.IsNullOrWhiteSpace(message))
        {
            return null;
        }
        var w = new ZXing.OneD.Code128Writer();
        BitMatrix b = w.encode(message, BarcodeFormat.CODE_128, width, height);
        var zzb = new ZXing.ZKWeb.BarcodeWriter();
        zzb.Options = new EncodingOptions()
        {
            Margin = 0,
            PureBarcode = false
        };
        
        Bitmap b2 = zzb.Write(b);
      
        
        using (var ms = new System.IO.MemoryStream())
        {
            b2.Save(ms, ImageFormat.Png);
            var bytes = ms.ToArray();

            return bytes;
        }
    
       
    }

    /// <summary>
    /// 打印二维码
    /// </summary>
    /// <param name="message"></param>
    /// <param name="width"></param>
    /// <param name="height"></param>
    /// <returns></returns>
    public static byte[] CreateQcCode(string message, int width, int height)
    {
        if (string.IsNullOrWhiteSpace(message))
        {
            return null;
        }
        var w = new ZXing.OneD.Code128Writer();
        BitMatrix b = w.encode(message, BarcodeFormat.QR_CODE, width, height);
        var zzb = new ZXing.ZKWeb.BarcodeWriter();
        zzb.Options = new EncodingOptions()
        {
            Margin = 0,
            PureBarcode = false
        };

        Bitmap b2 = zzb.Write(b);


        using (var ms = new System.IO.MemoryStream())
        {
            b2.Save(ms, ImageFormat.Png);
            var bytes = ms.ToArray();

            return bytes;
        }


    }


}