/**
 * ftp 文件操作服務實現(xiàn)類
 * 
 */
@Service
public class FtpFileServiceImpl implements IFtpFileService {

  /**ftp 服務器*/
  @Value("${PTFSERVER}")
  private String server;

  /**Ftp 用戶名*/
  @Value("${PTFUSERNAME}")
  private String uname;

  /**ftp 密碼*/
  @Value("${PTFPWD}")
  private String pwd;

  /**本地字符集編碼*/
  private static final String LOCAL_CHARSET = "GBK";

  /**ftp 服務器字符集編碼*/
  private static final String SERVER_CHARSET = "ISO-8859-1";
  /**
   * ftp 文件上傳
   */
  @Override
  public void ftpUpload(File srcFile, String fileName, String foldName) {
    FTPClient ftpClient = new FTPClient();
    FileInputStream fis = null;
    String charset = LOCAL_CHARSET;
    try {

      ftpClient.connect(server);
      ftpClient.login(uname, pwd);

      fis = new FileInputStream(srcFile);
      // 設置上傳目錄
      ftpClient.changeWorkingDirectory(foldName);
      ftpClient.setBufferSize(1024);
      ftpClient.enterLocalPassiveMode();
      if (FTPReply.isPositiveCompletion(ftpClient.sendCommand("OPTS UTF8", "ON"))) {
        // 開啟服務器對UTF-8的支持，如果服務器支持就用UTF-8編碼，否則就使用本地編碼（GBK）.
        charset = "UTF-8";
      }
      ftpClient.setControlEncoding(charset);
      fileName = new String(fileName.getBytes(charset),SERVER_CHARSET);
      // 設置文件類型（二進制）
      ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
      ftpClient.storeFile(fileName, fis);
    } catch (IOException e) {
      throw new EhospitalServiceException(ResponseCode.RESPONSE_COMMON_ERROR_CODE, "FTP客戶端出錯！", e);
    } finally {
      try {
        ftpClient.disconnect();
      } catch (IOException e) {
        throw new EhospitalServiceException(ResponseCode.RESPONSE_COMMON_ERROR_CODE, "關閉FTP連接發(fā)生異常！", e);
      }
    }
  }