REPORT  z_barry_up_server.

TABLES: sscrfields.
DATA:   serverfile(100) ,
        file(80).
DATA    dyfields LIKE dynpread OCCURS 0 WITH HEADER LINE.

SELECTION-SCREEN FUNCTION KEY 1.
SELECTION-SCREEN FUNCTION KEY 2.

PARAMETERS: p_file LIKE rcgfiletr-ftfront OBLIGATORY LOWER CASE ,
            p_serv LIKE rcgfiletr-ftappl OBLIGATORY.

PARAMETERS p_over LIKE bapistdtyp-boolean.

INITIALIZATION.
  CALL 'C_SAPGPARAM' ID 'NAME'  FIELD 'DIR_HOME'
                     ID 'VALUE' FIELD serverfile.
  CONCATENATE serverfile '/' INTO serverfile.
  p_serv = serverfile.
  sscrfields-functxt_01 = '上载到服务器'.
  sscrfields-functxt_02 = '从服务器下载'.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file.
  CALL FUNCTION 'F4_FILENAME'
    EXPORTING
      program_name  = syst-cprog
      dynpro_number = syst-dynnr
      field_name    = ' '
    IMPORTING
      file_name     = p_file.

  CALL FUNCTION 'SO_SPLIT_FILE_AND_PATH'
    EXPORTING
      full_name     = p_file
    IMPORTING
      stripped_name = file
    EXCEPTIONS
      x_error       = 1
      OTHERS        = 2.

  CLEAR:dyfields, dyfields[].
  dyfields-fieldname = 'P_SERV'.
  CONCATENATE serverfile file INTO dyfields-fieldvalue.
  APPEND dyfields.

  CALL FUNCTION 'DYNP_VALUES_UPDATE'
    EXPORTING
      dyname     = sy-cprog
      dynumb     = sy-dynnr
    TABLES
      dynpfields = dyfields.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_serv.

  CLEAR: dyfields[], dyfields.
  dyfields-fieldname = 'P_SERV'.
  APPEND dyfields.
  CALL FUNCTION 'DYNP_VALUES_READ'
    EXPORTING
      dyname     = sy-cprog
      dynumb     = sy-dynnr
    TABLES
      dynpfields = dyfields.
  READ TABLE dyfields INDEX 1.

  CALL FUNCTION '/SAPDMC/LSM_F4_SERVER_FILE'
    EXPORTING
      directory        = dyfields-fieldvalue
      filemask         = ' '
    IMPORTING
      serverfile       = serverfile
    EXCEPTIONS
      canceled_by_user = 1
      OTHERS           = 2.
  CONCATENATE serverfile '/' INTO serverfile .
  p_serv = serverfile.

AT SELECTION-SCREEN.
  CASE sy-ucomm . " SY-DYNNR SSCRFIELDS-UCOMM
    WHEN 'FC01'.
      CALL FUNCTION 'C13Z_FILE_UPLOAD_BINARY'
        EXPORTING
          i_file_front_end   = p_file
          i_file_appl        = p_serv
          i_file_overwrite   = p_over
        EXCEPTIONS
          fe_file_not_exists = 1
          fe_file_read_error = 2
          ap_no_authority    = 3
          ap_file_open_error = 4
          ap_file_exists     = 5
          OTHERS             = 6.
      IF sy-subrc <> 0.
        CASE sy-subrc.
          WHEN 1.
            MESSAGE e000(oo) WITH '本地文件不存在'.
          WHEN 2.
            MESSAGE e000(oo) WITH '读取本地文件错误'.
          WHEN 3.
            MESSAGE e000(oo) WITH '没有服务器上载权限'.
          WHEN 4.
            MESSAGE e000(oo) WITH '服务器文件打开错误'.
          WHEN 5.
            MESSAGE e000(oo) WITH '服务器上此文件已存在'.
          WHEN OTHERS.
            MESSAGE e000(oo) WITH '不知道什么错误，反正是出错了'.
        ENDCASE.
      ELSE.
        MESSAGE s000(oo) WITH '上船完毕！'.
      ENDIF.
    WHEN 'FC02'.
      CALL FUNCTION 'C13Z_FILE_DOWNLOAD_BINARY'
        EXPORTING
          i_file_front_end    = p_file
          i_file_appl         = p_serv
          i_file_overwrite    = p_over
        EXCEPTIONS
          fe_file_open_error  = 1
          fe_file_exists      = 2
          fe_file_write_error = 3
          ap_no_authority     = 4
          ap_file_open_error  = 5
          ap_file_empty       = 6
          OTHERS              = 7.
      IF sy-subrc <> 0.
        CASE sy-subrc.
          WHEN 1.
            MESSAGE e000(oo) WITH '本地文件打开错误'.
          WHEN 2.
            MESSAGE e000(oo) WITH '本地文件已存在'.
          WHEN 3.
            MESSAGE e000(oo) WITH '写本地文件出错,可能是这个路径不让写'.
          WHEN 4.
            MESSAGE e000(oo) WITH '没有服务器下载权限'.
          WHEN 5.
            MESSAGE e000(oo) WITH '服务器文件打开错误'.
          WHEN 6.
            MESSAGE e000(oo) WITH '服务器上文件为空'.
          WHEN OTHERS.
            MESSAGE e000(oo) WITH '不知道什么错误，反正是出错了'.
        ENDCASE.
      ELSE.
        MESSAGE s000(oo) WITH '下载完毕！'.
      ENDIF.
  ENDCASE.

START-OF-SELECTION.
  MESSAGE s000(oo) WITH '点旁边那两个按钮，别点我！'.