工单打印

Infrastructure/CustomException/CustomException.cs

@@ -20,6 +20,7 @@ namespace Infrastructure
 
         public CustomException(string msg) : base(msg)
         {
+            Msg = msg+"为空，检查前端";
         }
         public CustomException(int code, string msg) : base(msg)
         {

Infrastructure/DOAN.Infrastructure.csproj

@@ -14,6 +14,7 @@
 		<PackageReference Include="AspectCore.Abstractions" Version="2.4.0" />
 		<PackageReference Include="Microsoft.Extensions.DependencyModel" Version="8.0.2" />
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+		<PackageReference Include="QuestPDF" Version="2025.1.0-alpha0" />
 		<PackageReference Include="UAParser" Version="3.1.47" />
 		<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.10" />
 		<PackageReference Include="JinianNet.JNTemplate" Version="2.4.2" />
@@ -21,6 +22,8 @@
 		<PackageReference Include="CSRedisCore" Version="3.8.803" />
 		<PackageReference Include="AspNetCoreRateLimit" Version="5.0.0" />
 		<PackageReference Include="IP2Region.Net" Version="2.0.2" />
+		<PackageReference Include="ZXing.Net" Version="0.16.9" />
+		<PackageReference Include="ZXing.Net.Bindings.ZKWeb.System.Drawing" Version="0.16.7" />
 	</ItemGroup>
 
 </Project>

Infrastructure/Helper/PrintHelper.cs

@@ -0,0 +1,52 @@
+
+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 = 3,
+            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;
+        }
+    
+       
+    }
+
+
+}