添加项目文件。

Print.Application/Print/PrintExtension.cs

@@ -0,0 +1,54 @@
+using Microsoft.AspNetCore.Builder;
+using System;
+using System.IO;
+using System.Reflection;
+
+namespace JingGong.Abp.Print.GoDEX
+{
+    public static class PrintExtension
+    {
+        public static void AddGoDEX(this IApplicationBuilder applicationBuilder)
+        {
+            //注：docker运行时需添加环境变量：#ENV LD_LIBRARY_PATH=/app/libx64:$LD_LIBRARY_PATH
+            ExtractResourceToFile("JingGong.Abp.Print.GoDEX.x64lib.libezio.so.1.1.0", "libx64/libezio.so.1.1.0");
+            ExtractResourceToFile("JingGong.Abp.Print.GoDEX.x64lib.libttf_x64.so", "libx64/libttf_x64.so");
+            ExtractResourceToFile("JingGong.Abp.Print.GoDEX.x64lib.libusb-1.0.so.0.3.0", "libx64/libusb-1.0.so.0");
+
+            //临时解决环境变量未生效问题
+            ExtractResourceToFile("JingGong.Abp.Print.GoDEX.x64lib.libezio.so.1.1.0", "libezio.so.1.1.0");
+            ExtractResourceToFile("JingGong.Abp.Print.GoDEX.x64lib.libttf_x64.so", "libttf_x64.so");
+            ExtractResourceToFile("JingGong.Abp.Print.GoDEX.x64lib.libusb-1.0.so.0.3.0", "libusb-1.0.so.0");
+        }
+
+        /// <summary>
+        /// 释放资源文件至本地文件
+        /// </summary>
+        /// <param name="resourceName"></param>
+        /// <param name="fileFullName"></param>
+        internal static void ExtractResourceToFile(string resourceName, string fileFullName)
+        {
+            using (var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName))
+            {
+                if (stream == null)
+                    return;
+
+                try
+                {
+                    var dir = Path.GetDirectoryName(fileFullName);
+
+                    if (!string.IsNullOrEmpty(dir) && !Directory.Exists(dir))
+                        Directory.CreateDirectory(dir);
+
+                    using (FileStream fileStream = new FileStream(fileFullName, FileMode.Create, FileAccess.Write))
+                    {
+                        stream.CopyTo(fileStream);
+                    }
+                }
+                catch
+                {
+                    Console.WriteLine($"写入{fileFullName}失败");
+                }
+            }
+        }
+    }
+}