first commit

Complex.Application/Services/Basic/AppCommonService.cs

@@ -0,0 +1,21 @@
+using Complex.Common.Dto;
+using Complex.Domain.Entities;
+
+namespace Complex.Application.AppCommon
+{
+    public interface IAppCommonService
+    {
+        ResultDto<Poster> GetPoster();
+    }
+    public class AppCommonService : IAppCommonService
+    {
+        public ResultDto<Poster> GetPoster()
+        {
+            return new ResultDto<Poster>
+            {
+                Data = new Poster { ImagePath = "banner.png" },
+                IsSuccess = true
+            };
+        }
+    }
+}