花春芳 发表于 2016-6-8 11:03:36

Java_ftp_ftpclient下载文件

  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.net.SocketException;
  import org.apache.commons.net.ftp.FTPClient;
  import org.apache.commons.net.ftp.FTPFile;
  /**
   * ftpclient下载文件
   */
  public class Test {
    public static void main(String[] args) throws Exception {
      FTPClient ftpClient = new FTPClient();
      String hostName = "www.java2000.net";
      String userName = "username";
      String password = "password";
      String remoteDir = "/";
      try {
        ftpClient.connect(hostName, 21);
        ftpClient.setControlEncoding("UTF-8");
        ftpClient.login(userName, password);
        ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
        FTPFile[] files = ftpClient.listFiles(remoteDir);
        for (int i = 0; i < files.length; i++) {
          System.out.println(files.getName());
        }
        File file = new File("d://index.jsp");
        FileOutputStream fos = new FileOutputStream(file);
        ftpClient.retrieveFile(remoteDir + "/index.jsp", fos);
        fos.close();
      } catch (SocketException e) {
        e.printStackTrace();
      } catch (IOException e) {
        e.printStackTrace();
      }
    }
  }
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