Rimer
2020-11-30 23:51:19
需要使用SparkSession来做到这一点。
这是我们的操作方式：
import org.apache.commons.io.IOUtils
import org.apache.hadoop.fs.{FileSystem, Path}
import org.apache.spark.sql.SparkSession
def getFileSystem(sparkSession: SparkSession): FileSystem =
FileSystem.get(sparkSession.sparkContext.hadoopConfiguration)
def listContents(sparkSession: SparkSession, dir: String): Seq[String] = {
getFileSystem(sparkSession).listStatus(new path(dir)).toSeq.map(_.getPath).map(_.getName)
}
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