feat(model-file): Add FileCreateDto constructor

cloud/model/model-file/src/main/java/com/bgasol/model/file/file/dto/FileCreateDto.java

@@ -4,10 +4,17 @@ import com.bgasol.common.core.base.dto.BaseCreateDto;
 import com.bgasol.model.file.file.entity.FileEntity;
 import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.NotNull;
-import lombok.*;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
 import lombok.experimental.SuperBuilder;
+import org.springframework.core.io.ByteArrayResource;
 import org.springframework.web.multipart.MultipartFile;
 
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+
 @Setter
 @Getter
 @SuperBuilder
@@ -22,4 +29,50 @@ public class FileCreateDto extends BaseCreateDto<FileEntity> {
     public FileEntity toEntity() {
         throw new UnsupportedOperationException("方法未实现");
     }
+
+    public FileCreateDto(String fileName, byte[] bytes, String mediaType) {
+        super();
+        this.uploadFile = new MultipartFile() {
+            @Override
+            public String getName() {
+                return fileName;
+            }
+
+            @Override
+            public String getOriginalFilename() {
+                return fileName;
+            }
+
+            @Override
+            public String getContentType() {
+                return mediaType;
+            }
+
+            @Override
+            public boolean isEmpty() {
+                return bytes.length == 0;
+            }
+
+            @Override
+            public long getSize() {
+                return bytes.length;
+            }
+
+            @Override
+            public byte[] getBytes() throws IOException {
+                return bytes;
+            }
+
+            @Override
+            public InputStream getInputStream() throws IOException {
+                return new ByteArrayResource(bytes).getInputStream();
+            }
+
+            @Override
+            public void transferTo(File dest) throws IllegalStateException {
+                throw new UnsupportedOperationException("Not implemented");
+            }
+        };
+    }
+
 }