a

upload/upload.go

@@ -460,6 +460,7 @@ func pdfThumbnail(objectPath string, file *zip.File, bucket *oss.Bucket) ([]inte
 	}
 
 	defer fc.Close()
+
 	//item := syncPool.Borrow()
 	//defer item.Return()
 	//item.MarkAsInvalid()
@@ -471,7 +472,6 @@ func pdfThumbnail(objectPath string, file *zip.File, bucket *oss.Bucket) ([]inte
 	switch fileSuffix {
 	case ".png":
 		img, _ = png.Decode(fc)
-
 	case ".jpeg":
 		img, _ = jpeg.Decode(fc)
 	default:
@@ -495,8 +495,12 @@ func pdfThumbnail(objectPath string, file *zip.File, bucket *oss.Bucket) ([]inte
 	imageInfo = append(imageInfo, fileName)
 	imageInfo = append(imageInfo, info.Max.X)
 	imageInfo = append(imageInfo, info.Max.Y)
-
-	return imageInfo, bucket.PutObject(objectPathName+fileName, fc)
+	fc1, err := file.Open()
+	if err != nil {
+		return nil, err
+	}
+	defer fc1.Close()
+	return imageInfo, bucket.PutObject(objectPathName+fileName, fc1)
 
 }