从Scala访问FTP文件

 <groupId>commons-net</groupId>
 <artifactId>commons-net</artifactId>
 <version>3.8.0</version>
</dependency>

import org.apache.commons.net.ftp.FTPClient

object FtpDownload {
  def main(args: Array[String]): Unit = {
    val ftpHost = "ftp.example.com"
    val ftpUsername = "username"
    val ftpPassword = "password"
    val remoteFilePath = "/remote/file/path.txt"
    val localFilePath = "/local/file/path.txt"

    val ftpClient = new FTPClient()
    try {
      ftpClient.connect(ftpHost)
      ftpClient.login(ftpUsername, ftpPassword)
      ftpClient.enterLocalPassiveMode()
      ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE)
      val outputStream = new FileOutputStream(localFilePath)
      ftpClient.retrieveFile(remoteFilePath, outputStream)
      outputStream.close()
      println("File downloaded successfully.")
    } catch {
      case e: Exception =>
        println("Error while downloading file: " + e.getMessage)
    } finally {
      if (ftpClient.isConnected) {
        ftpClient.logout()
        ftpClient.disconnect()
      }
    }
  }
}