Flink(六)【ParameterTool类】

ParameterTool 工具类

object ParameterToolTest {
  def main(args: Array[String]): Unit = {
    val params: ParameterTool = ParameterTool.fromArgs(args)
    val hostname = params.getRequired("hostname")
    val port = params.getRequired("port")
    print(hostname+":"+port)
  }
}

参考：

https://www.cnblogs.com/jj1106/p/13171893.html

https://blog.csdn.net/weixin_34242509/article/details/87993541