definsertBatch():Unit={
  DB.withConnection { implicit connection =>
val batch = BatchSql(
      SQL("INSERT INTO books(title, author) VALUES({title}, {author})"),
       Seq(
        Seq[(String, ParameterValue[String])]("title" ->toParameterValue("Play 2 for Scala"), "author" -> toParameterValue("Peter Hilton")),
 
        Seq[(String, ParameterValue[String])]("title" -> toParameterValue("Learning Play! Framework 2"), "author" -> toParameterValue("Andy Petrella"))
          ))
      println(batch)
      val res: Array[Int] = batch.execute()
}
}