添加项目文件。

Print.Application/Print/GoDEXPrintBase64Image.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JingGong.Abp.Print.GoDEX
+{
+    /// <summary>
+    /// 按base64打印图片
+    /// </summary>
+    public class GoDEXPrintBase64Image : GoDEXPrintImage
+    {
+        /// <summary>
+        /// Base64数据
+        /// </summary>
+        public string ImageBase64 { get; set; }
+
+        /// <summary>
+        /// 获取图片数据
+        /// </summary>
+        /// <returns></returns>
+        protected override byte[] GetImageData()
+        {
+            var base64Content = ImageBase64;
+            // 检查是否包含 Base64 前缀
+            if (base64Content.Contains("base64,"))
+            {
+                // 去除 "data:image/<format>;base64," 头部信息
+                base64Content = base64Content.Substring(base64Content.IndexOf(",") + 1);
+            }
+
+            return Convert.FromBase64String(base64Content);
+        }
+    }
+}