switch Type {
case "bmp":
NewFileName = filenameOnly + ".bmp"
case "gif":
NewFileName = filenameOnly + ".gif"
case "jpeg", "jpg":
NewFileName = filenameOnly + ".jpg"
case "png":
NewFileName = filenameOnly + ".png"
case "tiff":
NewFileName = filenameOnly + ".tiff"
default:
text := fmt.Sprintf("The type:[%s] not in support list", Type)
fmt.Println(text)
}