函数式编程

/**
  *
  * @param apiName
  * @param requestList
  * @param api
  * @tparam P
  * @tparam R
  * @return
  */
def callApiByPage[P, R](apiName : String, requestList: List[P])(api:(List[P]) => Option[R]):Option[List[R]]={
  if(requestList.nonEmpty){
    try {
      Some(requestList.grouped(1000).flatMap(x=> api(x)).toList)
    } catch {
      case e: SoaException => {
        logger.error(s"调用${apiName}失败", e)
        None
      }
      case e: Exception => {
        logger.error("调用${apiName}失败", e)
        None
      }
    } finally {
      None
    }
  } else {
    None
  }
}